What mass of each reactant would be needed to produce 100.0 kg of methanol in CO + H2 = CH3OH

Answer:

It is an amine; it contains nitrogen-hydrogen bonds that are less polar and oxygen-hydrogen bonds.

Explanation:

The boiling point of a compound is a physical property. Such physical property are influenced by the intramolecular bonds between the molecules that makes a up compound.

Both Amine and Alcohols have the same type of intermolecular bonds between them. This bond type is called the hydrogen bonds.

A hydrogen bond is an electrostatic attraction between the hydrogen atom of one molecule and the electronegative atom of a neighboring molecule.

 Note: the strength of a hydrogen bond depends on the relative electronegativity of the atom directly joined to the hydrogen.

  The order of strength of the bond is;

             H.....F  > H.....O > H......N

In amines we have the H....N hydrogen bonds, for alcohol, it is the H....O hydrogen bonds.

So, the bonds in hydrogen bonds in the alcohol is stronger and it will impart a higher boiling point on the compound.

Answer: It is an amine; it contains nitrogen-hydrogen bonds that are less polar than oxygen-hydrogen bonds.

Explanation: I TOOK THE TEST AND GOT IT RIGHT

Answer:

The possible mass of the number of sodium is 23amu

Answer: 128.93m

Explanation:

We are told that a 45 min tape plays at the speed of 1.88 in/s. First we need to convert 45 mins to seconds. This will be: = 45 × 60 = 2700 seconds.

Therefore, the tape will use:

= 2700 × 1.88inch

= 5076 inch

Since 1 inch = 2.54cm

5076 inch = 2.54 × 5076 = 12893.04cm

Note that 100cm = 1m

We will then convert 12893.04cm to m. This will be:

= 12893.04cm / 100cm

= 128.9304m

= 128.93m

Due to the trend of boiling points, the optimal order for elements within a group going from top to bottom is \(A, X_o, Z_w\).

From the given information we can see that the boiling points of the elements decrease from A to Xo to Zw. The highest boiling point (350°C) is of element A, followed by Xo (215°C) and Zw (285°C). We arrange the components in decreasing order of boiling points to get A, Xo and Zw.

It is important to remember that in this situation, the alphabetical order of the elements and their atomic weights are irrelevant considerations. A reasonable basis for arranging the components within the system is provided by the trend in boiling points.

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Answer: :)

The temperature of a gas is directly proportional to the average kinetic energy of the particles of the gas. But the total kinetic energy of the molecules of a gas is a measure of the internal energy or thermal energy of the gas.

Explanation:

Answer:

Respiration is the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells)

Explanation:

Hydrophosphoric acid is generally known as phosphine and the formula for hydrophosphoric acid is PH3 P H 3

Hypophosphoric acid is a mineral acid with phosphorus in an oxidation state +4.It has a chemical formula H4P2O6.

Hypophosphorous acid is used as a decolorizing agent and for color stabilization during the manufacture of chemicals and several plastics including: nylon fibers, polyamides, polyester fiber, polyacrilonitrile, alkyd rsins, epoxies, fatty acid esters and glycerols.

Therefore, the formula of hypophosphoric acid is H4P2O6. It contains four P-OH bonds, Two P=O. bonds and one P-P bond.

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Answer:

electrons are combining with other electrons

Answer:

Net Charge = -2

Explanation:

If we subtract 18 from 20 we get 2. Since protons are positive and electrons are negative, and then it's obvious that electrons are greater in number, therefore the net charge would also be negative which is -2.

hope that helps...

Considering the given equation, the statement which is true for the given equation is that it is a displacement reaction.

The correct option is C.

Chemical reactions are changes that occur in substances that involve changes in their chemical properties and the formation of new substances with properties different from the original substances.

Some of the several types of chemical reactions include:

combination reactions - these are reactions in which two or more substances combine to form a single substance.

displacement reactions - these are reactions in which one element or radical replaces another element or radical in a compound

decomposition reactions - these are reactions in which one substance decomposes to give two or more substances.

double decomposition reactions - these are reactions in which there is an exchange of positive and negative ions by two compounds when they react.

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Complete question:

Consider the following descriptions of the equation above. Which is true?

Fe₂O₃ + 2 Al ---> 2 Fe + Al₂O₃

a. it is a combination reaction

b. it is a decomposition reaction

c. it is a displacement reaction

d. it is a double decomposition reaction

Fluorine (F-) is the element with the fewest valence electrons. Seven electrons make up the outermost shell of fluorine, and one of them is unpaired. As a result, fluorine possesses seven valence electrons altogether.

Eight valence electrons are present in magnesium (Mg2+), nine are present in gallium (Ga+), eight are present in argon (Ar+), four are present in carbon (C+), six are present in sulphur (S2-), and seven are present in fluorine (F-).

Fluorine has a lower number of valence electrons than the other elements because it has a greater effective nuclear charge. This indicates that the fluorine atom will take electrons away from its outermost shell since it is more attracted to electrons than the other elements.

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Claim 1: Yes, there probably will be a lunar eclipse of the moon of Kepler-47c during a year.

Claim 2: No, there probably won't be a lunar eclipse of the moon of Kepler-47c during a year.

Kepler-47c is a moon orbiting Kepler-47 AB, a binary star system. This implies that the moon's light varies on a regular basis as it circles the two stars. These changes in light might result in a lunar eclipse.

Lunar eclipses occur when the moon passes through the Earth's shadow. While Kepler-47c circles two stars, it is still subject to Earth's gravitational pull and may pass into its shadow.

Lunar eclipses occur on a regular basis, with two to four eclipses occurring on average per year. Given the frequency of lunar eclipses, Kepler-47c is likely to see at least one lunar eclipse every year.

Evidence to support this claim 2:

Lunar eclipses occur when the moon passes through the Earth's shadow. While Kepler-47c is in the Earth's gravitational field, it is not on the same orbital plane as the Earth.

While Kepler-47c circles two stars, its orbit is not known to be stable. Variations in Kepler-47c's orbit may reduce the likelihood of a lunar eclipse.

While lunar eclipses are common, they are not uniformly distributed throughout the year. The locations and motions of the Earth, moon, and sun govern the timing and frequency of lunar eclipses.

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Answer:

D. the minerals they contain

Hope this answer is right!!

Only reactions B and C would be spontaneous at 298 K.

Spontaneous reactions are reactions that occur naturally and do not require external energy input to proceed. This can be determined by calculating the Gibbs free energy of the reaction at a given temperature and pressure. Gibbs free energy can be calculated using the equation ΔG = ΔH - TΔS, where ΔH is the enthalpy change of the reaction, ΔS is the entropy change of the reaction, T is the temperature in Kelvin, and ΔG is the change in free energy of the reaction.
A spontaneous reaction will have a negative ΔG, meaning that the reaction is exergonic and releases energy. Therefore, the products of the reaction are more stable than the reactants. If ΔG is positive, the reaction is endergonic and requires energy input to proceed.
In order to determine which of the following reactions would be spontaneous at 298 K, we must calculate the ΔG of each reaction and determine if it is positive or negative. The reactions are:
A. 2H2O(l) → 2H2(g) + O2(g) ΔH = 484 kJ/mol, ΔS = 69.9 J/K mol
B. CO2(g) + H2(g) → CO(g) + H2O(g) ΔH = 41 kJ/mol, ΔS = -102.6 J/K mol
C. Fe2O3(s) + 2Al(s) → Al2O3(s) + 2Fe(l) ΔH = -850 kJ/mol, ΔS = -243 J/K mol
To calculate ΔG at 298 K, we will use the equation ΔG = ΔH - TΔS. The temperature in Kelvin is 298 K, or 25°C.
A. ΔG = (484,000 J/mol) - (298 K) x (69.9 J/K mol) = +4165 J/mol (positive, non-spontaneous)
B. ΔG = (41,000 J/mol) - (298 K) x (-102.6 J/K mol) = -2874 J/mol (negative, spontaneous)
C. ΔG = (-850,000 J/mol) - (298 K) x (-243 J/K mol) = -42600 J/mol (negative, spontaneous)

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The species that has the same number of bonding electrons as CH4 is option B. CO2.

Carbon dioxide is a linear molecule consisting of one carbon atom and two oxygen atoms. The central atom, carbon, has four valence electrons, just like the central atom in CH4.Each oxygen atom has six valence electrons, but because CO2 is a linear molecule, the two oxygen atoms are symmetrical and share the bonding electrons equally. Therefore, each oxygen atom shares two bonding electrons with the carbon atom, making a total of four bonding electrons in the CO2 molecule. This is the same number of bonding electrons as in CH4.Therefore, the correct answer to this question is option B. CO2.

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The answer is 30.

Explanation:

The total number of protons and neutrons in a nucleus is called mass number. So 14 proton plus 16 neutron is = 30 mass number.

Explanation:

hope it will help you. Wishing a nice day. enjoy with your answer

Answer:

Memory formation involves similar cognitive processes, such as encoding, storage, and retrieval of information, that are common to all humans regardless of their cultural background. Also, memory formation is a fundamental cognitive function that allows individuals to acquire, retain, and recall information from past experiences or learning, and it is necessary for various cognitive tasks such as learning, problem-solving, and decision-making.

While there could be cultural influences on memory, such as language, social norms, education, and cultural practices, the basic cognitive processes of memory formation are considered to be universal. The encoding process, where information is acquired and processed into a memory representation, is similar across cultures in terms of how sensory information is transformed into neural codes. The storage process, where information is retained over time, and the retrieval process, where information is recalled and brought back into consciousness, are also considered to be universal cognitive functions.

It is important to emphasize that cultural factors can influence how memory is experienced, expressed, and used in different cultures, but the underlying cognitive processes of memory formation are believed to be similar across cultures. Research on memory has been conducted across various cultures and populations, and while there may be cultural variations in memory processes, the basic cognitive mechanisms of memory formation are considered to be universal. It is important to consider cultural context when studying or interpreting memory processes, but the fundamental cognitive processes of memory formation are generally believed to be universal across cultures.

Step 1: Write the balanced "molecular equation:

\(2HI(aq) + CrCO₃ (s) → CrI₂ (s) + H₂O(l) + CO₂(g)\)

Step 2: Carbon dioxide and water are written in molecular form. Consult the solubility and net ionic equation rules on the information page to determine which of the other substances will dissociate:

\(2HI(aq) + CrCo₃ (s) → Crl₂ (s) +H₂O(l)+CO₂(g)\)

yes no yes

Step 3: Dissociate all soluble salts, strong acids, and strong bases (except calcium hydroxide), Leave together all "not soluble" salts and weak acids or bases:

\( {2H₂O}^{ + } (aq) + {2I}^{ - } (aq) + CrCO₃ (s)→ {Cr}^{2 + } (aq) + {2I}^{ - }(aq) + 3H₂O(l) + CO₂(g)\)

Step 4: Cross out "spectator lons that appear on both sides of the reaction (these lons do not participate in the chemistry) and rewrite the "net" reaction using the smallest possible coefficients:

\( {2H₂O}^{ + } (aq) + CrCO₃ (s) →3H₂O + CO₂ + {Cr}^{2 + } \)

Answer:

The most important difference between the two is that butter is derived from dairy and is rich in saturated fats, whereas margarine is made from plant oils. ... If the margarine contains partially hydrogenated oils, it will contain trans fat, even if the label claims that it has 0 g.

Explanation:

(⌒_⌒;)

Answer:hydroxyl, methyl, carbonyl, carboxyl, amino, phosphate, and sulfhydryl groups.

Explanation:

A functional group can participate in specific chemical reactions. Some of the important functional groups in biological molecules include

The test variable (independent variable) in Omar's experiment is the masses of the model rockets; option D.

Variables in an experiment refer to those measurements or factors that are under the control of the researcher and which can be altered by the researcher in order to study the effect of changes on the study.

The three types of variables in a study are:

In the study conducted by Omar, the test variable (independent variable) is the time of rocket stays up in the air.

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Answer:

a plus sign: +

Explanation:

a plus sign is used to separate one reactant or product from another

Answer:

(Chemical Formulas test)

1.Which formula contains a metal and a nonmetal?

answer:(MGO)

2.Which formula represents a covalent compound?

answer:(H2O2)

3.In the formula for water (H2O), what does the lack of a subscript after the O indicate? answer:(There is one oxygen atom in the compound.)

4.What symbol is used to separate the products from each other or the reactants from each other in a chemical reaction?answer: (A PLUS SIGHN)

5.Which option is a covalent compound?

answer:(NO2)

Explanation:

Took the Test and got 100% thank me later

To draw a Bohr Rutherford diagram for carbon-12, we would have the symbol C in the center, with 2 electrons in the first energy level and 4 electrons in the second energy level, arranged in pairs. Each energy level would be represented by a circle around the nucleus, with the appropriate number of electrons placed in the circles.

A Bohr Rutherford diagram is a visual representation of the electron arrangement in an atom. Carbon-12 has 6 protons and 6 neutrons, which means it has 6 electrons as well since it is a neutral atom. In a Bohr Rutherford diagram, the nucleus is represented by the symbol for the element and the protons and neutrons are shown as small circles inside the symbol. The electrons are represented as dots or circles around the symbol, in the order of increasing energy levels.

In the case of carbon-12, the first energy level can hold a maximum of 2 electrons, and the second energy level can hold a maximum of 8 electrons. Therefore, the first energy level will have 2 electrons, and the remaining 4 electrons will go in the second energy level.

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Answer:

By breaking down glucose into an energy molecule (ATP), so by producing energy which is necessary for the cell's survival.

Explanation:

A) Incorrect. It is not guaranteed that adding gas particles to the container will decrease the kinetic energy, as we don't know what energy those particles have to begin with.

B) Incorrect. We are not given any information that reveals that the container will break.

C) Incorrect. Because there are more particles, more collisions will occur in the container, increasing the likelihood that bonds may form between particles. This deviates from ideal gas behaviour.

D) Correct. Adding particles will increase the number of collisions that occurs as well as the overall pressure.

Option D

The question requires us to determine the molecular mass of the compound thorium sulfate (Th(SO4)2), considering the atomic masses to the tenth of a gram.

The atomic masses of the elements present in the molecule given are:

Th: 232.0 u

S: 32.1 u

O: 16.0 u

To obtain the molecular mass of the compound, we must consider the number of atoms of each element: there are 8 oxygen (O) atoms, 2 sulfur (S) atoms and 1 thorium (Th) atom, therefore we calculate the mass as:

molecular mass Th(SO4)2 = (1 * 232.0) + (2 * 32.1) + (8 * 16.0) = 424.2 g/mol

Therefore, the molecular mass of Th(SO4)2 is 424.2 g/mol.