what word describe how fast or how slow a reaction is

For the reactions shown;
a) MgCl2 + H2SO4 → MgSO4 + 2 HCl

c) 6K + Al2O3 → 3K2O + 2Al

d) 2H2O ----> 2H2 + O2

e) 2C4H10 + 13O2 → 8CO2 + 10H2O

f) will not proceed

g) Will proceed

h) Will proceed

i) Will not proceed

j) Will not proceed

A balanced chemical reaction is a chemical equation that represents equal numbers of atoms of each element involved in the reaction, ensuring that the same amount of matter is present before and after the reaction takes place. The coefficients in the equation indicate the relative proportions of reactants and products.

In the case of the replacement reactions, we know that the substance that is higher in the electrochemical series will replace the substance that is lower in the series as shown.

Learn more about reaction:https://brainly.com/question/28984750

#SPJ1

The corrected HHV is 510 BTU/scf. Hydrogen has a high heating value per unit volume (about 300 BTU/scf), but in this case, it contributes only 5% to the total volume, which doesn't significantly affect the overall HHV of the biogas.

Therefore, hydrogen might not be the best coproduct if the objective is to maximize the heating value per unit volume. Increasing the percentage of \(CH_4\) or using other gases with higher heating values could be more effective.

To find the HHV (Higher Heating Value) of the biogas, we can use the given percentages and the HHV of each component. For the initial analysis:
1. \(CO_2\): 44% with an HHV of 0 BTU/scf
2. \(CH_4\): 56% with an HHV of 1,000 BTU/scf
Step 1: Calculate the weighted average of the HHV:
HHV = (% of \(CO_2\) × HHV of\(CO_2\)) + (% of \(CH_4\) × HHV of \(CH_4\))
HHV = (0.44 × 0) + (0.56 × 1000)
HHV = 0 + 560
HHV = 560 BTU/scf
This HHV is below the average HHV of biogas, which is typically around 600 BTU/scf.
For the corrected analysis:
1. \(CO_2\): 44% with an HHV of 0 BTU/scf
2. \(CH_4\): 51% with an HHV of 1,000 BTU/scf
3. \(H_2\): 5% (Assuming its HHV is negligible)
Step 1: Calculate the weighted average of the HHV:
HHV = (% of \(CO_2\) × HHV of \(CO_2\)) + (% of \(CH_4\) × HHV of \(CH_4\)) + (% of \(H_2\) × HHV of \(H_2\))
HHV = (0.44 × 0) + (0.51 × 1000) + (0.05 × 0)
HHV = 0 + 510 + 0
HHV = 510 BTU/scf

For more question on Hydrogen click on

https://brainly.com/question/24433860

#SPJ11

In the given electrolytic cell setup having molten zinc iodide as the electrolyte, reduction of zinc ions to gray coloured zinc occurs at the cathode, whereas iodide ions get oxidized to reddish-brown iodine at the anode.

An electrolytic cell is a type of electrochemical cell that uses an external source of electrical energy to power a chemical process that would not occur otherwise. This contrasts with a galvanic cell, which serves as a power source and the cornerstone of a battery.

Any apparatus in which electrical energy is changed into chemical energy or vice versa is an electrolytic cell. Such a cell normally consists of two electrodes, which can be metallic or electronic conductors, kept apart from one another and in contact with an electrolyte, which is commonly an ionic substance that has been dissolved or fused.

In the given setup, the molten zinc iodide is the electrolyte, and the half reactions occurring at the two electrodes of the electrolytic cell are:

Half reaction at the cathode:

\(Zn^{2+} (l) + 2e^- \rightarrow Zn (s)\)

Half reaction at the anode:

\(2I^- (l) \rightarrow I_2 (s) + 2e^-\)

Learn more about Electrolytic cells here:

https://brainly.com/question/13361525

#SPJ4

H-H: 432 kJ/mol,C-H: 413 kJ/mol,∆H = -451 kJ/mol.The rection is H-H + C-H => H + H + H- Therefore,this reaction is exothermic since the enthalpy change is negative.

Enthalpy is a thermodynamic property that is a measure of the total energy content. It is the sum of the internal energy and the product of its pressure and volume. It is expressed in units of energy per unit mass, such as joules per kilogram (J/kg) or kilocalories per kilogram (kcal/kg).It is an important factor in the study of thermodynamics.

For reactants, two hydrogen molecules must be broken down into two hydrogen atoms (H-H bond energy = 432 kJ/mol).For products, one molecule of carbon monoxide must be formed from one carbon and oxygen atom (C-O bond energy = 799 kJ/mol). Therefore, the enthalpy change for this reaction is calculated as follows:ΔH = (799 kJ/mol) - (2 x 432 kJ/mol) = -5 kJ/mol.

To learn more about enthalpy

https://brainly.com/question/14047927

#SPJ1

The correct option is 1.CH3CH2S

The conjugate base of CH3CH2SH (ethanethiol) is CH3CH2S-.

To determine the conjugate base, we remove a proton (H+) from the molecule. In this case, removing a proton from the sulfur atom (S) results in the formation of the ethanethiolate ion (CH3CH2S-).

The remaining options given are:

CH3CH2S-: This is the correct conjugate base of ethanethiol.

CH3CH2-: This is not the conjugate base of ethanethiol, as it is missing the sulfur atom.

CH3CH2SH2: This is not the conjugate base of ethanethiol, as it retains the proton on the sulfur atom.

CH3CH2S2-: This is not the conjugate base of ethanethiol, as it contains two sulfur atoms (disulfide ion).

None of these: This is not the correct answer since option 1 (CH3CH2S-) is indeed the conjugate base of ethanethiol.

For more question on conjugate

https://brainly.com/question/14684465

#SPJ8

Gamma radiation is the most penetrating. It can penetrate air, paper or thin metal. It may only be stopped by many centimetres of lead or many metres of concrete.

Answer:

1. A "green party" is a political party that focuses on environmentalism, social justice, and grassroots democracy. One example of a green party is the Green Party of the United States. Founded in 1984, the Green Party advocates for policies such as reducing greenhouse gas emissions, promoting renewable energy, and implementing a living wage for workers. The party also supports nonviolent conflict resolution, LGBTQ rights, and universal healthcare. The Green Party of the United States has had some success in winning local elections, with members holding positions in city councils and state legislatures across the country.

2. The National Environmental Education Act (NEEA) was passed in 1990 to promote environmental education in the United States. The Environmental Protection Agency's (EPA) website on NEEA provides information on the history and purpose of the act, as well as resources for educators and students. Through NEEA, the EPA provides grants to support environmental education programs at the local, state, and national levels. The website also includes information on EPA programs and initiatives related to environmental education, such as the Environmental Education Collaborative and the National Environmental Education Foundation.

3. Urban areas can have a significant impact on the species that live in the area. For example, urbanization can lead to habitat fragmentation, which can disrupt the natural movements and breeding patterns of species. The loss of natural habitats and the introduction of non-native species can also negatively impact the biodiversity of urban areas. Additionally, pollution and other environmental stressors in urban areas can have harmful effects on the health and well-being of both humans and other species.

4. Societal attitudes in developed countries tend to prioritize economic growth and technological progress, often at the expense of environmental conservation. In contrast, attitudes in undeveloped countries may prioritize the preservation of natural resources and traditional ways of life. However, this is not always the case, and attitudes towards the environment can vary widely within and between countries.

5. Environmental issues are often global in nature, such as climate change and ocean pollution, and can have impacts that transcend national boundaries. Local environmental issues may also be impacted by global factors, such as the transportation of pollutants or the introduction of non-native species. However, global awareness and cooperation can also be a powerful force for addressing local environmental issues and promoting sustainable practices.

Explanation:

Answer:

chemical energy is your correct answer mark me brainly

To determine the value of ∆Hrxn for the reaction, we can use the equation:

∆Hrxn = q / n

where q is the heat of the reaction, n is the number of moles of reactants, and ∆Hrxn is the change in enthalpy of the reaction.

We can use the equation for calculating heat:

q = mc∆T

where q is the heat, m is the mass of the solution, c is the specific heat of the substance, and ∆T is the change in temperature.

The mass of the solution is equal to the volume of the solution times the density:

m = V * d

Plugging this equation into the equation for calculating heat, we get:

q = (V * d) * c * ∆T

We can use the values given in the problem to solve for q:

q = (0.200 L * 1.00 g/mL) * (4.18 J/g°C) * (23.48°C - 22.15°C)

q = 4.32 J

To determine the value of ∆Hrxn, we need to know the number of moles of reactants. The concentration of the HCl solution is 0.2 M, so the number of moles of HCl is:

n = (0.200 L) * (0.200 mol/L) = 0.040 mol

Plugging this value into the equation for ∆Hrxn, we get:

∆Hrxn = q / n = (4.32 J) / (0.040 mol) = 108 J/mol

Therefore,  ∆Hrxn=108 J/mol

Learn more about Thermodynamics here: https://brainly.com/question/1368306

#SPJ4

Answer:

We know that kinetic energy is one of the forms of internal energy, so the release of heat from an object causes a decrease in the average kinetic energy of its particles.

The right answer is given in the picture.

To find the formula of an ionic compound, first, identify the cation and write down its symbol and charge. Then identify the anion and note its sign and charge. Finally, the two ions combine to form an electrically neutral compound.

Particle diagram Elements and compounds can be represented using particle diagrams. This is a box with colored spheres drawn to represent atoms or molecules. These diagrams can represent elements and compounds and their molecular composition by the types of spheres and how they are connected. Particle diagrams are used to show particles, atoms, or molecules within matter. A diagram showing particles in a substance.

Learn more about Particle diagrams here:-https://brainly.com/question/3806655

#SPJ1

1 mole is equal to 6. 022 x 10 23 particles, which is also known as the Avogadro's constant. To compute the amount of moles of any material in the sample, just divide the substance's stated weight by its molar mass.

To calculate the number of moles of Cu2+ in the 15.5 g sample of soluble plant fertilizer, we need to first convert the weight percentage of copper(II) sulfate to its molar mass.

The molar mass of CuSO4 is 159.609 g/mol (63.546 g/mol for Cu and 2 x 32.066 g/mol for SO4).

0.0700% by weight means that there are 0.0700 g of CuSO4 in every 100 g of fertilizer.

Therefore, in the 15.5 g sample of fertilizer, there are:

0.0700 g CuSO4/100 g fertilizer x 15.5 g fertilizer = 0.01085 g CuSO4

To convert grams to moles, we divide by the molar mass:

0.01085 g CuSO4 / 159.609 g/mol = 6.81 x 10^-5 moles CuSO4

Since CuSO4 dissociates in water to form one Cu2+ ion and one SO4 2- ion, the number of moles of Cu2+ in the sample is the same as the number of moles of CuSO4:

6.81 x 10^-5 mol Cu2+

To know about Moles visit:

https://brainly.com/question/31597231

#SPJ11

Answer:

15.8 m/s

Explanation:

v= u+at

v= 32+(-1.5×10.8)

v=32-16.2

v=15.8m/s

The correct answer is option D. Having a large number of people working together ensures that new insights in solving a problem will occur.

Engineers and scientists have knowledge in different fields. Science is a study of nature and the scientists are the people who study science, the study of nature or how the natural world works.

Scientists study and gain knowledge about the nature and the engineers apply it to make use of the knowledge about science.

It can be said they are interdependent. As working closely, the data is exchanged or shared between scientists and engineers. Both scientists and engineers have their own ideas and thoughts.

Scientists can help engineers to develop analytical and research skill which can help engineers to write better code to make best use of science.

Thus, people working together on different aspects, they can have new insights. This helps to look at the situation from different angles and can solve the problems easily and in a better way.

To know more about scientists, refer: https://brainly.com/question/2857135

#SPJ1

Answer:

42 neutrons

Explanation:

Mass number = number of protons + number of neutrons

number of neutrons = Mass number - number of protons

= 75 - 33

= 42

Answer:

42 neutrons

Explanation:

Approximately 777.6 grams of water is needed to make 7.2 moles of glucose based on the balanced equation.

The balanced equation provided is:

6CO2 + 6H2O -> C6H12O6 + 6O2

From the equation, we can see that for every 6 moles of water (H2O), 1 mole of glucose (C6H12O6) is produced. Therefore, we need to determine the amount of water required to produce 7.2 moles of glucose.

The mole ratio between water and glucose is 6:1. This means that for every 6 moles of water, we obtain 1 mole of glucose. To find the amount of water needed for 7.2 moles of glucose, we set up a proportion using the mole ratio:

(6 moles H2O / 1 mole glucose) = (x moles H2O / 7.2 moles glucose)

Solving for x, we can cross-multiply:

6 moles H2O * 7.2 moles glucose = x moles H2O * 1 mole glucose

43.2 moles H2O = x moles H2O

Therefore, we need 43.2 moles of water to produce 7.2 moles of glucose.

To convert moles of water to grams, we need to know the molar mass of water, which is approximately 18 g/mol. Using the molar mass, we can calculate the mass of water needed:

Mass of water = moles of water * molar mass of water

Mass of water = 43.2 moles * 18 g/mol

Mass of water = 777.6 g

Therefore, approximately 777.6 grams of water is needed to make 7.2 moles of glucose based on the balanced equation.

for more such question on glucose visit

https://brainly.com/question/397060

#SPJ8

The general form of the solubility product constant (Ksp) expression is: Ksp = [A]^m[B]^n. By simply substituting the ion concentrations of the solution into the Ksp expression we can solve the Qsp.

The solubility quotient (Qsp) is similar to Ksp but represents the ion product in a solution, regardless of whether the solution is at equilibrium or not. If Qsp < Ksp, the solution is unsaturated and more solute can dissolve. If Qsp = Ksp, the solution is at equilibrium and the solution is saturated. If Qsp > Ksp, the solution is supersaturated and the excess solute will precipitate out of solution. To calculate Qsp, simply substitute the ion concentrations of the solution into the Ksp expression and solve for Qsp.

To know more about solubility quotient, here

brainly.com/question/28170449

#SPJ4

Answer:

374°F

463.15K

Explanation:

This particular Question wants to test knowledge on the conversion of the units of temperature from celsius degree to degree Fahrenheit. Also, the conversion of degree celsius to kelvin.

The value given which is 190 degree celsius can be converted into degree Fahrenheit using the formula below;

(x°C × 9/5 ) + 32.

Therefore, x = 190°C =( 190°°C × 9/5) + 32 = 374°F.

The conversion of degree celsius to kelvin is given below as;

x°C + 273.15 .

Therefore, x = 190°C = 190°C + 273.15 = 463.15K.

Therefore, the temperature needed to bake at Fahrenheit and kelvin are 374°F and 463.15K respectively.

The equilibrium constant expression for the given reaction is K = [HF]² / [H₂SO₄] [CaF₂].

The equilibrium constant expression is derived from the balanced chemical equation. In the given reaction, H₂SO₄(aq) and CaF₂(s) react to form 2 HF(g) and CaSO₄(s). The equilibrium constant expression is written by taking the concentration of the products (HF) raised to the power of their stoichiometric coefficient (²) and dividing it by the concentration of the reactants (H₂SO₄ and CaF₂).

Therefore, the equilibrium constant expression for the reaction is K = [HF]² / [H₂SO₄] [CaF₂].

You can learn more about equilibrium constant expression at

https://brainly.com/question/11353995

#SPJ11

The best choice that explains why atoms of carbon-14 (c-14) are unstable is there are 2 more protons than neutrons in the nucleus

An atom is said to be stable if the number of neutrons in the nucleus is greater than number of protons in the nucleus, because the the neutrons increases the nuclear force which keeps the atom stable.

Thus, the best choice that explains why atoms of carbon-14 (c-14) are unstable is there are 2 more protons than neutrons in the nucleus.

Learn more about stable atom here: https://brainly.com/question/1948879

#SPJ4

Answer:

D. there are 2 more neutrons than protons in the nucleus.

Explanation:

Answer:

large atomic size and low ionization energy.

Explanation:

Metallic behavior correlates with large atomic size and low ionization energy. Thus, metallic behavior increases down a group and decreases from left to right across a period. Elements in Groups 1A(1) and 2A(2) are strong reducing agents; nonmetals in Groups 6A(16) and 7A(17) are strong oxidizing agents.

The most useful IR bands for distinguishing a carboxylic acid from a neutral organic compound are: IR Bands: 1700-1725 cm−1

Infrared spectroscopy is a tool used to investigate chemical bonds and is used to distinguish a carboxylic acid from a neutral organic compound.

IR Bands: 1700-1725 cm−1are bands associated with the C=O group present in carboxylic acids. These bands correspond to the stretching of the C=O double bond. This region of the IR spectrum provides a great deal of information about the sample being tested. It is used to differentiate between a carboxylic acid and an ester, which has a similar band at 1735-1740 cm−1, but a lower intensity.

Overall, the 1700-1725 cm−1 band region is the most important indicator of the presence of a carboxylic acid in an IR spectrum and is the most useful band for distinguishing carboxylic acids from neutral organic compounds.

know more about IR Bands here : https://brainly.com/question/32802504

#SPJ11

Answer:

(A) chlorine is an oxidizing agent in this reaction so it oxidize iodine and it itself is reduced

Explanation:

Cl2 oxi no. = 0 became Cl- oxi no. = -1

so it is reduced

I- oxi no. = -1 became I2 oxi no. = 0

so it oxidized

The reaction between NaOH (sodium hydroxide) and H₂SO₄ (sulfuric acid) is a double displacement or acid-base neutralization reaction.

In this reaction, the sodium hydroxide (NaOH) acts as a base and the sulfuric acid (H₂SO₄) acts as an acid. The hydroxide ion (OH⁻) from the sodium hydroxide reacts with the hydrogen ion (H⁺) from the sulfuric acid to form water (H²O), which is a neutral molecule. The remaining ions, sodium (Na+) and sulfate (SO₄²⁻), combine to form sodium sulfate (Na₂SO₄), which is a salt.

The balanced chemical equation for the reaction is:

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O

Overall, this reaction results in the formation of a salt and water, and the acid and base cancel each other out.

Find out more on type of reaction here: https://brainly.com/question/30322663

#SPJ1

The measurement that represents the most pressure is option c. 56.4 kPa (option c).

To determine which measurement represents the most pressure among the given options, we need to compare the values in the appropriate units.

a. 513 mmHg: This measurement represents pressure in millimeters of mercury. To compare it with other units, we need to convert it to a common unit.

  1 atm = 760 mmHg

  Therefore, 513 mmHg is approximately 0.674 atm.

b. 387 torr: Torr is another unit of pressure that is equivalent to mmHg. Since 1 torr is equal to 1 mmHg, we can directly compare it to the previous value.

  Therefore, 387 torr is approximately 0.509 atm.

c. 56.4 kPa: This measurement represents pressure in kilopascals. To compare it with other units, we need to convert it to a common unit.

  1 atm = 101.325 kPa

  Therefore, 56.4 kPa is approximately 0.556 atm.

d. 0.995 atm: This measurement is already given in atmospheres, which is a common unit of pressure.

Comparing the values, we can see that option c. 56.4 kPa has the highest value, approximately 0.556 atm. Therefore, option c represents the most pressure among the given options.

For more such questions on measurement  click on:

https://brainly.com/question/24842282

#SPJ8

The way the copies of the gene in the wolves affects the number of types of proteins in each tooth cell is B) Wolf 1 has two types of protein for the tooth size feature. Wolf 2 has one type of protein for the tooth size feature.

The gene that determines tooth size in wolves is located on a specific chromosome, each individual has two copies of that chromosome, one inherited from each parent.

If the copies of the gene in Wolf 1 are different from each other, it means that the wolf is heterozygous for that gene, meaning it has two different versions of the gene, one inherited from each parent. This leads to the production of two different types of proteins in each tooth cell, and thus a variation of tooth size in Wolf 1.

If the copies of the gene in Wolf 2 are the same as each other, it means that the wolf is homozygous for that gene, meaning it has two identical copies of the gene inherited from the same parent.

Find out more on genes and proteins at https://brainly.com/question/3456729

#SPJ1

Answer/Explanation

An organism genetic makeup alleles is known as genotype

Hope you understand

When a nucleus of Th-232 absorbs a neutron, it becomes Th-233. The Th-233 nucleus is unstable and can undergo beta decay, where a neutron is converted into a proton. The first beta decay transforms Th-233 into Pa-233:

Th-233 -> Pa-233 + e- + νe

The resulting Pa-233 nucleus is still unstable and can undergo a second beta decay. In this decay, another neutron is converted into a proton, resulting in the transformation of Pa-233 into U-233:

Pa-233 -> U-233 + e- + νe

Therefore, the nucleus that results from the absorption of a neutron by Th-232, followed by two successive beta decays, is U-233.

To learn more about nucleus click here:

brainly.com/question/31805585

#SPJ11

No, Olympic cyclists do not fill their tires with helium to make them lighter.

The claim that Olympic cyclists fill their tires with helium to make them lighter is not accurate. While helium is indeed a lighter gas compared to air, it is not a practical or effective choice for filling bicycle tires. The main reason for this is that helium is an inefficient gas when it comes to maintaining tire pressure.

When a tire is inflated, the pressure inside is determined by factors such as the volume of the tire, the amount of gas, and the temperature. In the given scenario, the tire has a volume of 855 ml and is filled to a pressure of 125 psi (pounds per square inch) at a temperature of 23 degrees Celsius. Assuming an average molar mass for air of 28.8 g/mol, the main answer can be explained as follows:

Helium, with a molar mass of 4 g/mol, is lighter than air. However, the pressure inside the tire is determined by the number of gas molecules present, rather than their individual masses. Since the molar mass of air is higher than helium, fewer air molecules are needed to achieve the same pressure as a larger number of helium molecules. In other words, if the tire is filled with helium, it would require more helium molecules compared to air to achieve the same pressure of 125 psi. This would result in a larger volume of gas inside the tire, potentially leading to an overinflated and less stable tire.

Additionally, helium is known to have higher rates of leakage compared to air, which means the tire would lose pressure more quickly over time. This would require frequent re-inflation, making it impractical for competitive cyclists who need to maintain optimal tire pressure throughout a race.

In conclusion, while helium is a lighter gas than air, Olympic cyclists do not fill their tires with helium because it is not an efficient or practical choice for maintaining tire pressure.

Learn more about helium

brainly.com/question/5596460

#SPJ11

Answer:

No

Can't understand.

Pls follow me and Mark as brainliest Plsssssssss.