when a sample of liquid is warmed its thermal energy
Answers
When a sample of liquid is warmed, its thermal energy increases due to the absorption of heat energy, resulting in higher molecular motion and temperature rise.
Heating the liquid transfers energy to the particles within it, causing them to move more vigorously. This increase in motion results in an increase in the average kinetic energy of the particles, which is directly related to the temperature of the liquid.
The temperature of a substance is a measure of the average kinetic energy of its particles. When heat is added to a liquid, the energy is distributed among the particles, and they gain kinetic energy. As a result, the average kinetic energy and temperature of the liquid rise.
It's important to note that the thermal energy of a substance is not solely dependent on temperature. Other factors, such as the mass and specific heat capacity of the liquid, also play a role in determining the amount of thermal energy it possesses.
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When a sample of liquid is warmed, its thermal energy increases.
When a sample of liquid is warmed, its thermal energy increases. Thermal energy is the total kinetic energy of the particles in a substance. When heat is added to a liquid, the particles gain energy and move faster, increasing their kinetic energy. This increase in kinetic energy leads to an increase in the thermal energy of the liquid.
The amount of thermal energy gained depends on the specific heat capacity of the liquid, which is a measure of how much heat energy is required to raise the temperature of a given amount of the liquid. Different liquids have different specific heat capacities, so the amount of thermal energy gained will vary depending on the liquid being warmed.
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Related Questions
How many grams of NaCI must be added to 2.00ml of water to make a 85.5m solution
Answers
recalling that time is inversely proportional to rate, iif a reaction with an initial concentration of 0.100 m of reactant a took 50 s, and a second reaction in which 0.200 m of a took 25 s, what would be the order on a?
Answers
We are aware that a reaction's time need is inversely correlated with its rate, or that as the rate of the reaction rises, the reaction's time requirement falls.
We can express the rate law for a reaction involving products of form A as follows:
Rate = k[A]^n
where k is the rate constant and n is the order of the reaction with respect to A.
Given that the initial concentration of reactant A in the first reaction is 0.100 M and the time required for the reaction is 50 s, we can write:
50 s = 1 / (k * (0.100 M)^n)
Similarly, for the second reaction with an initial concentration of 0.200 M and a time of 25 s, we can write:
25 s = 1 / (k * (0.200 M)^n)
Dividing the two equations, we get:
50 s / 25 s = (0.100 M / 0.200 M)^n
Simplifying, we get:
0.5 = 0.5^n
Taking the logarithm of both sides, we get:
log(0.5) = n * log(0.5)
Solving for n, we get:
n = 1
Therefore, the order of the reaction with respect to A is 1.
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A heterogeneous mixture is one in which substances are evenly distributed and have a uniform composition
Answers
roughtly how many molecues of epinephrine are in a standard epi pen?
Answers
A standard EpiPen contains approximately 0.3 milligrams of epinephrine, which is equivalent to 0.3 milliliters of a 1:1000 solution, or 3 micrograms of epinephrine per dose. there are approximately 9.83 x 10^20 molecules of epinephrine in a standard EpiPen.
Epinephrine, also known as adrenaline, is a hormone and neurotransmitter that is produced naturally by the body in response to stress or danger. It acts on the sympathetic nervous system to increase heart rate, constrict blood vessels, dilate airways, and mobilize energy stores in the body. It is also used as a medication to treat severe allergic reactions, such as anaphylaxis.
A standard EpiPen is a self-administered device that contains a single dose of epinephrine in a prefilled syringe. The EpiPen delivers the medication through a spring-loaded mechanism that injects the solution into the thigh muscle. The dose is typically 0.3 milligrams (or 0.3 milliliters) of a 1:1000 solution of epinephrine, which means that there is 1 milligram of epinephrine in 1000 milliliters of solution.
To calculate the number of molecules of epinephrine in a standard EpiPen, we need to know the molecular weight of epinephrine and Avogadro's number, which is the number of molecules in one mole of a substance. The molecular weight of epinephrine is approximately 183 grams per mole, which means that one mole of epinephrine contains Avogadro's number (6.02 x 10^23) molecules.
Since the dose of epinephrine in a standard EpiPen is 0.3 milligrams, we can convert this to micrograms by multiplying by 1000, which gives us 300 micrograms. To calculate the number of molecules of epinephrine in 300 micrograms, we need to use the formula:
Number of molecules = (mass in micrograms/molecular weight) x Avogadro's number
Plugging in the values for epinephrine, we get:
Number of molecules = (300/183) x 6.02 x 10^23
Simplifying this expression gives us:
Number of molecules = 9.83 x 10^20
Therefore, there are approximately 9.83 x 10^20 molecules of epinephrine in a standard EpiPen.
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Describe how advances in atomic theory led to the use of atomic energy.
Answers
Answer: Atomic theory established that all matter is made of tiny particles, a discovery that led to amazing scientific breakthroughs in areas from modern chemistry to nuclear energy
Explanation:
Hydrogen gas was collected in a burette in a water bath with a water height difference of 15. 0 cm. Please calculate the pressure in the burette if the atmospheric pressure in the room at that time was 765. 0 torr.
Answers
The pressure in the burette if the atmospheric pressure in the room at that time was 765.0 torr is 915 torr
How do I determine the pressure in the burette?The pressure in the burette can be obtained by using the following formula:
Pressure of gas = Atmospheric presure + pressure due to height
With the above formula, we can determine the pressure in the burette. This is illustrated below:
Pressure due to height = 15 cmHg = 150 mmHg = 150 torrAtmospheric pressure = 765.0 torrPressure in burette =?Pressure in burette = Atmospheric presure + pressure due to height
Pressure in burette = 765.0 + 150
Pressure in burette = 915 torr
Thus, the pressure in burette is 915 torr
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According to cell theory - (select all that are true)
A. you are born with all the cells you will ever have.
B. all organisms are made of at least one cell.
C.cells are the building blocks of life.
D.all cells come from preexisting cells
Answers
Answer:
B. all organisms are made of at least one cell.
C.cells are the building blocks of life.
D.all cells come from preexisting cells
Explanation:
According to the cell theory that was proposed via the contribution of three scientists in 1830's namely: Matthias Schleiden, Theodor Schwann, and Rudolf Virchow, the following was stated:
- Cells are the basic and fundamental unit of life
- Living organisms are made up of one or more cells
- All cells arise from pre-existing cells.
From the above components, the following are said to be true and correlate with the universal cell theory:
B. all organisms are made of at least one cell.
C.cells are the building blocks of life.
D.all cells come from preexisting cells
A sample has an atomic number is 18 and atomic mass 33, what is the number of neutrons?
Answers
Answer:
15 neutrons
Explanation:
the atomic mass shows the amount of neutrons and protons added together
the atomic number shows us how many protons they are (you can also find out how many electrons a element has by looking at its atomic number as it will have the same amount of protons)
so to find the amount of neutrons the sample has you have you subtract the atomic number which is the amount of protons from the mass number which tells us the amount of neutrons and protons added together but we only need the neutrons that's why we subtract it
33-18=15
The solubility of KNO3 is 32g/100g of water at 20oC and 62g/100g of water at 40oC. What will you observe if a saturated solution of KNO3 at 400C is cooled to 20oC.
Answers
Answer:
Explanation:
Solubility of KNO₃ at 20° C = 32 g / 100g of water
that means , per 100 g of water maximum of 32 g of KNO₃ can be dissolved at 20° C .
Solubility of KNO₃ at 40° C = 62 g / 100g of water
that means , per 100 g of water maximum of 62 g of KNO₃ can be dissolved
40° C.
So when a saturated solution in which maximum KNO₃ has been dissolved is cooled from 40° C to 20° C , due to decrease in solubility at lower temperature some KNO₃ will come out of the solution . Per 100 gram of saturated solution , 62 - 32 = 30 g of KNO₃ will precipitate out or come out of water . They can be filtered out .
The level of CO2 in the blood is detected by chemoreceptors located in the aortic arch
and carotid arteries. These send impulses to either the cardioaccelerator or
cardioinhibitor center in the hypothalamus of the brain, which in turn sends an
impulse to the pacemaker of the heart to increase or decrease heart rate. Draw a
feedback diagram to illustrate what happens to restore homeostasis when blood CO2
rises.
Answers
Answer:
The level of CO2 in the blood is detected by chemoreceptors located in the aortic arch
and carotid arteries. These send impulses to either the cardioaccelerator or
cardioinhibitor center in the hypothalamus of the brain, which in turn sends an
impulse to the pacemaker of the heart to increase or decrease heart rate. Draw a
feedback diagram to illustrate what happens to restore homeostasis when blood CO2
rises.
Explanation:
The level of CO2 in the blood is detected by chemoreceptors located in the aortic arch
and carotid arteries. These send impulses to either the cardioaccelerator or
cardioinhibitor center in the hypothalamus of the brain, which in turn sends an
impulse to the pacemaker of the heart to increase or decrease heart rate. Draw a
feedback diagram to illustrate what happens to restore homeostasis when blood CO2
rises.
select all of the following statements that are true regarding metabolism and basal metabolic a)Our Basal Metabolic Rate (BMR) is the total amount of calories burned per day by bodily functions and all activities performed If more calories are b)Our Basal Metabolic Rate (BMR) tends to drop as we age c)If more calories are burned than consumed, burned than consumed individuals tend to gain individuals tend to lose weight. weight. d)If more calories are burned than consumed, burned than consumed individuals tend to gain individuals tend to lose weight. weight. e)The amount of calories burned each day is constant for each individual. Activities do not contribute to this amount f)Cardiovascular activity and strength training are helpful in preventing weight gain as we age g)Our Basal Metabolic Rate (BMR) is the amount of calories burned while simply keeping bodily functions going h)The more active our bodies are, the more calories we burrn
Answers
The true statements regarding metabolism and basal metabolic rate are:
a) Our Basal Metabolic Rate (BMR) is the total amount of calories burned per day by bodily functions and all activities performed. If more calories are burned than consumed, individuals tend to lose weight.
b) Our Basal Metabolic Rate (BMR) tends to drop as we age.
f) Cardiovascular activity and strength training are helpful in preventing weight gain as we age.
g) Our Basal Metabolic Rate (BMR) is the amount of calories burned while simply keeping bodily functions going.
h) The more active our bodies are, the more calories we burn.
These statements accurately reflect the relationship between metabolism, basal metabolic rate, calorie consumption, physical activity, and weight management.
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In a saturated solution of cadmium carbonate at 25 °C both [Cd^2+]and [CO2^−3]=1.0×10^−6 M.[Write an equilibrium expression for this compound.Ksp=Calculate the value of Ksp for this compound.Ksp=
Answers
1. The equilibrium expression for the compound is:
[Cd²⁺] [CO₃²⁻] / [CdCO₃]
2. The solubility of product, Ksp for the compound is 1.0×10⁻¹²
1. How do i write the equilibrium expression?Equilibrium constant, Keq for a given chemical reaction is written as shown below:
nReactant ⇌ mProduct
Equilibrium constant (Keq) = [Product]ᵐ / [Reactant]ⁿ
Now, we can shall determine the equilibrium expression, Keq for the reaction. Details below:
CdCO₃(aq) ⇌ Cd²⁺(aq) + CO₃²⁻(aq)
Equilibrium constant (Keq) = [Product]ᵐ / [Reactant]ⁿ
Equilibrium constant expression = [Cd²⁺] [CO₃²⁻]/ [CdCO₃]
2. How do i determine the solubility of product, Ksp?The solubility of product, Ksp for the compound ca be obtained as follow:
Concentration of cadmiun ion, [Cd²⁺] = 1.0×10⁻⁶ MConcentration of carbonate ion, [CO₃²⁻] = 1.0×10⁻⁶ MSolubility of product (Ksp) =?Ksp = [Cd²⁺] × [CO₃²⁻]
Ksp = 1.0×10⁻⁶ × 1.0×10⁻⁶
Ksp = 1.0×10⁻¹²
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Select the observations that might indicate a chemical change has occurred.
Group of answer choices
Formation of a substance in a different state
Breaking or melting
Phase change
Production of flames
Production of heat or light
Answers
Answer:
number 2 formation of substance in a different state
5. A stream consisting of two organic chemicals: (1) benzene
(C6H6) and (2) toluene (C7Hg), enters a separation column. The
total mass flow rate of the stream is 10,000 lbm/hr. The mass
percent of benzene in the stream is 40%. Determine the follow-
ing for the stream:
a. The mass flow rate of benzene
REb. The mass flow rate of toluene
c. The molar flow rate of toluene
d. The total molar flow rate of the stream
e. The mole fraction of benzene
Answers
10,000 lbm/hr is the mass flow rate of the stream as a whole. Benzene (C6H6) and toluene are two organic substances that enter a separation column (C7H8).
The correct option is d.
What exactly does benzene mean?In order to make polystyrene, benzene, a colorless liquid with a distinct odor, is primarily used. It is incredibly toxic, a known carcinogen, and leukemia has been related to exposure to it.
Benzene is a typical chemical used in industry.
Exactly what is gasoline?internal combustion engines are fuelled by a derived mixture of highly combustible liquid hydrocarbons. The vast bulk of gasoline is used in automobile engines. infrastructure for blending as well as refining petroleum products.
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PLEASE CAN SOMEONE EXPLAIN this FOR ME WHAT IS RADIOACTIVE ISOTOPES AND ANSWER THIS QUETION? A nitrogen atom has 7 protons and most common isotopes of nitrogen has 7 neutrons. A radioactive isotopes of nitrogen has 8 neutrons write the atomic number and mass number of this radioactive nitrogen as a chemical symbol with a subscript and superscript.
Answers
Answer:
\(\frac{15}{7}N\)
Explanation:
We already know that the mass number of an atom is the sum of the number of protons and the number of neutrons.
So, the mass number of this isotope is;
Number of protons = 7
Number of neutrons = 8
Mass number = 7 + 8 = 15
Hence, the isotope is;
\(\frac{15}{7}N\)
The answer is part C is the energy required to break six carbon-carbon bonds the average bond enthalpy of one carbon-carbon bond in benzene. Calculate in gaseous benzene, CoHs (g): Express your answer to four significant figures and include the appropriate units. View Available Hint(s) AH = Value Units Submit
Answers
The energy needed to break six carbon-carbon bonds is 5535.1 KJ/mol, which is equal to the average bond enthalpy of one carbon-carbon bond in benzene. 5535.1 KJ/mol is the reaction's average enthalpy change.
How much energy does it take to break a carbon-carbon bond?
Whereas breaking a carbon-carbon single bond takes 348 kilojoules of energy per mole of carbon-carbon single bonds. A carbon-carbon double bond has a bond enthalpy of 614 kilojoules per mole.
What is the general formula of benzene?
Benzene is an important organic chemical compound with the chemical formula C6H6 and its molecule is composed of 6 carbon atoms joined in a ring with 1 hydrogen atom attached to each carbon atom.
With the molecular formula C6H6, benzene is an organic chemical substance. Six carbon atoms linked together in a planar ring, with one hydrogen atom connected to each, make up the benzene molecule. Benzene is a hydrocarbon since it is made up only of carbon and hydrogen atoms.
Equation of reaction: C6H6(g) --> 6C(g) + 6H (g)
H = (6*217.94 + 6*718.1) - (82.9) KJ/mol
H = (5618.04) - (82.9)
H = 5535.1 KJ/mol
Thus, the energy needed to break six carbon-carbon bonds is 5535.1 KJ/mol
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A smoke obscuration meter was placed in an enclosure in a fire experiment. The light source and the detector (receiver) were 4.0 m apart. At a given time the measured smoke obscuration was 40%.
a) What are the corresponding optical density and extinction coefficient?
b) What is the visibility of a light emitting sign subjected to such an environment?
Answers
a) The smoke obscuration meter provides a measurement of smoke obscuration, which is defined as the reduction of transmitted light caused by smoke particles in the air.
The corresponding optical density can be calculated using the formula: optical density = -log(T), where T is the transmittance. In this case, the transmittance is 1 - 0.4 = 0.6. Therefore, the optical density is -log(0.6) = 0.221.
The extinction coefficient is a measure of how strongly the smoke particles scatter or absorb light, and can be calculated using the formula: extinction coefficient = optical density / distance. In this case, the distance between the light source and the detector is 4.0 m. Therefore, the extinction coefficient is 0.221 / 4.0 = 0.055.
b) The visibility of a light emitting sign subjected to such an environment can be calculated using the formula: visibility = e^(-kL), where k is the extinction coefficient and L is the path length of the light through the smoke.
In this case, we do not know the path length of the light through the smoke, so we cannot calculate the visibility.
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What is the best definition of the enthalpy change Hr
Answers
Answer:
The flow of thermal energy in a system, at constant atmospheric pressure AND at thermodynamic standard temperature and pressure.
A compound has an empirical formula of CH20. What is its molecular formula, if its molar mass is 360 g/mol?
a. C6H12O6
b. C12H24O12
Answers
Answer:
a
Explanation:
A actual molecule of glucose contains six carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
Answer:
B.
Explanation:
In the reaction 2Li(s) + 2H2O(I) -> 2LiOH(aq) + H2(g), which compound is in the aqueous state?
A. Li
B. H2O
C. LiOH
B. H2
Answers
Answer:
LiOH
Explanation:
LiOH has the tag "aq" which stands for aquatic.
Our answer is LiOH.
Chemical equation for zinc carbonate and sulphuric vi acid
Answers
Answer: sulfuric acid + zinc carbonate → zinc sulfate + water + carbon dioxide
Explanation: In this type of reaction an acid reacts with a carbonate to give a salt, water and carbon dioxide. The reactants include elements which must also be present in the products.
which of the following best describes the roman emperor diocletian's contributions to the emergence of christianity as the official religion of the roman empire?
Answers
Diocletian, who ruled from 284-305 AD, is remembered in history for his persecution of Christians, which lasted from 303-311 AD. However, his contributions to the emergence of Christianity as the official religion of the Roman Empire were indirect and unintentional.
Diocletian's reign saw the division of the Roman Empire into two halves, with him ruling the eastern half and his co-emperor Maximian ruling the western half. This division ultimately contributed to the spread of Christianity in the eastern half of the empire, as it allowed for greater freedom of religious expression and fewer restrictions on Christians. Additionally, Diocletian's persecution of Christians led to the martyrdom of many prominent figures within the Christian community, which in turn helped to solidify the faith and inspire further devotion among its followers.
Finally, Diocletian's abdication in 305 AD and the subsequent power struggles among his successors weakened the empire and allowed for the rise of Constantine, who would go on to become the first Christian emperor of Rome. It was under Constantine's rule that Christianity was officially recognized and granted legal status within the empire, ultimately leading to its emergence as the dominant religion of the Roman Empire. In summary, while Diocletian's persecution of Christians was a dark period in history, his unintentional contributions to the eventual emergence of Christianity as the official religion of the Roman Empire cannot be ignored.
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A student standardized a solution of NaOH and found that the concentration was 0.542 M. They then used it to titrate a monoprotic acid. If 50.40 mL of the base was used, how many moles of acid were neutralized? (Do not report your answer in scientific notation)
Answers
Answer:
0.0272 moles
Explanation:
The number of moles of acid that were neutralized can be found by multiplying the volume of the base (in liters) by its concentration (in moles/liter) and then multiplying that value by the stoichiometric coefficient of the acid in the balanced chemical equation for the neutralization reaction.
To begin, we need to convert the volume of the base from milliliters to liters.
50.40 mL = 0.0504 L
Next, we can multiply the volume of the base (in liters) by its concentration (in moles/liter) to find the number of moles of base used in the titration.
0.0504 L * 0.542 M = 0.0272 moles
Since this is a neutralization reaction between a monoprotic acid and a strong base, the acid:base ratio is 1:1.
So the acid that has been neutralized is also 0.0272 moles.
When atoms that have different electronegativities bond together, there will be a __________ probability of finding the electrons on the side of the molecule that has the atom with the higher electronegativity.
Answers
When atoms that have different electronegativities bond together, there will be a low probability of finding the electrons on the side of the molecule that has the atom with the higher electronegativity.
An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.
The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
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6. Describe how the orders with respect to two different reactants might be determined in a sample experiment where a
gas is produced as a result of mixing two solutions together. Carefully describe the measurements that should be
recorded and suggest a method of measuring the rate of the reaction.
Answers
A reaction rate can be calculated using a pretty simple procedure.A reaction rate must be calculated from tabulated values or discovered empirically because it depends on change over time.
Describe how a sample experiment might be used to determine the ordering with respect to two different reactants?
It is feasible to determine the reaction rate algebraically or graphically using the data that was obtained.The general advice and examples for calculating reaction rates are provided below.A stopwatch or any other timekeeper will do to measure time change.But more difficult procedures are needed to determine how much the reactants or products' concentrations have changed.There are typically two ways to acquire a change in concentration in a system:by keeping track of the reactant's gradual depletion over time, orBy keeping track of how a product changes over time There is no difference in the overall reaction whether an experimenter watches the reagents or products.However, there is a sign difference between the two speeds since reagents decrease and products grow during the reaction.As the reaction progresses, the reagent concentration falls, yielding a negative number for the concentration change.On the other side, the goods' concentration improves over time, producing a positive value.In order to solve an issue, set the overall rate of the reaction equal to the negative of a reagent's disappearance rate because it is customary to describe the rate of reaction as a positive number.The stoichiometric coefficients have an impact on the overall rate as well. It is important to note that by utilizing the various physical or chemical features (such as phase difference, reduction potential, etc.) of the reagents or products involved in the reaction, the process of determining the concentration can be significantly sped up.We have underlined how crucial it is to consider the reaction's sign in order to have a positive reaction rate.We shall now discuss the significance of stoichiometric coefficients.Depending on the product or reagent chosen to be monitored, a reaction rate can be reported somewhat differently.Given a response:aA+bB→cC+dD
(14.2.1)
Also possible to write as:
response rate = 1a
(A's disappearance rate)
= −1b
(B's disappearance rate
= 1c
(C's rate of formation)
= 1d\s(rate of production of D) (rate of formation of D)
There is only one average rate of reaction, despite the possibility that the concentrations of A, B, C, and D may all fluctuate at various rates.Select any rate and divide it by the stoichiometric coefficient to obtain this special rate.When the reaction's formula is as followsCR1R1+⋯+CRnRn→CP1P1+⋯+CPnPn(14.2.3)The following is the general example of the distinct average rate of reaction
response rate = 1CR1[R1
Δt=⋯=−1CRnΔ[R
Δt=1CP1Δ[P1]
Δt=⋯=1CPnΔ[Pn]
Δt
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If element X has 5 valence electrons, what would you expect it to do to fulfil its octet? pls help
Answers
Answer:
a
Explanation:
Answer:
Gain 3 electrons.
Explanation:
If element X have 5 valence electrons it will more than likely gain 3 electrons to fill its octet to become stable. Gaining the 3 electrons is much easier for the atom than if it were to give away it's 5 valence electrons. Elements with 5 valence electrons that could represent element X are:
NitrogenPhosphorusArsenicAntimony9. A gas sample that causes a smoldering object to ignite and burn intensely would be
categorized as a(n).
flammable gas
O oxidizer
O inert gas
O All of the above
Answers
Answer:
Option d (All of the above) is the right option.
Explanation:
A flammable gas seems to be a gas which, whenever presented with either an ignition source, explodes throughout the possession of even an oxidant. Throughout a redox reaction, each oxidizer seems to be a reactant that eliminates electrons from several other reaction mixtures. Inert gas would be a gas which, throughout appropriate circumstances, doesn't undergo another chemical reaction.Since flammable gas, oxidizing agent, inert gas all allow smoldering material to the flame which burns severely, the solution is all of those.
calculate the maximum mass of the sodium soap that can be prepared from 195 g of glyceryl trimyristate.
Answers
We must ascertain the molar mass of glyceryl trimyristate and the stoichiometric ratio of the reactants and products in the saponification reaction in order to calculate the maximum mass of sodium soap that may be produced from 195 g of glyceryl trimyristate.
The saponification of glyceryl trimyristate with sodium hydroxide (NaOH) produces three molecules of sodium soap and one molecule of glycerol:
Glyceryl trimyristate + 3 NaOH → 3 sodium soap + glycerol
The molar mass of glyceryl trimyristate is calculated as:
3 (myristic acid molar mass) + (glycerol molar mass) = 3 (228.39 g/mol) + 92.09 g/mol = 913.26 g/mol
The stoichiometric ratio of the reactants and products is 1:3, which means that for every one mole of glyceryl trimyristate, three moles of sodium soap are produced.
To calculate the maximum mass of sodium soap that can be prepared, we need to convert the given mass of glyceryl trimyristate to moles using its molar mass and then use the stoichiometric ratio to determine the maximum mass of sodium soap that can be produced:
Number of moles of glyceryl trimyristate = 195 g / 913.26 g/mol = 0.214 moles
Number of moles of sodium soap produced = 3 × 0.214 moles = 0.642 moles
Mass of sodium soap produced = number of moles × molar mass of sodium soap = 0.642 moles × 278.38 g/mol = 178.46 g
Therefore the correct answer is the maximum mass of the sodium soap that can be prepared from 195 g of glyceryl trimyristate is 178.46 g.
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you have a 10 gram piece of aluminum and a 10 gram piece of gold sitting in the sun which receive the same heat input over time. which metal will warm by ten degrees celsius first?
Answers
The Aluminum will warm by ten degrees Celsius first, because aluminum is a better conductor of heat than gold.
The metal that warms by ten degrees Celsius first depends on the specific heat of each material. Specific heat is the amount of heat needed to raise the temperature of a substance by one degree Celsius. Aluminum has a much higher specific heat than gold, meaning it will take more energy to defeat it and heat it up by an equal scale.
Therefore, with the same heat input, the aluminum will warm up by ten degrees Celsius faster than the gold. This is because the ten gram piece of aluminum has much more capacity to retain heat due to its high specific heat than does a ten gram piece of gold which has a lower specific heat.
Since the same amount of energy is available, the aluminum will be heated by more of the energy than the gold, thus warming quicker and by a larger amount. This is why the ten gram piece of aluminum would warm up by ten degrees Celsius faster than the gold.
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Correct question is :
you have a 10 gram piece of aluminum and a 10 gram piece of gold sitting in the sun which receive the same heat input over time. what metal will warm by ten degrees celsius first?
What is in the solar system?
A. All the above
B. asteroids and comets
C. The sun and everything thing that orbits around it
D. planets and their moons
PLEASE HELP
Answers
Answer:
all of the above
Explanation:
all of this is in the solar system