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guajiro [1.7K]
4 years ago
11

State each of the following statement true or false? A. A carbon atom can form up to four covalent bonds. B. A carbon atom has s

ix electrons in its outermost shell. C. The bond between a carbon and hydrogen atom is a polar bond. D. Oxygen and nitrogen have a stronger electronegativity than carbon (e.g., a strong pull on a shared electron). E. Bonds between carbon and other atoms are relatively unstable and readily dissociate, resulting in the formation of new molecules. F. The carbon backbone of a molecule is made up of a string of carbon atoms held together with either single or double bonds. G. The carbon backbone of a molecule comes in a variety of shapes: linear, ring-like, or highly branched. H. Carbon is a relatively large atom allowing it to bind to more atoms than smaller atoms would, thereby making it more versatile.
Chemistry
1 answer:
VLD [36.1K]4 years ago
7 0

Answer:

The answer to your question is below

Explanation:

A. A carbon atom can form up to four covalent bonds. True

B. A carbon atom has six electrons in its outermost shell. False, a  carbon atom only has 4 electrons in its outermost shell.

C. The bond between a carbon and hydrogen atom is a polar bond. True

D. Oxygen and nitrogen have a stronger electronegativity than carbon (e.g., a strong pull on a shared electron). True, carbon electronagativity is 2.55, while oxygen and nitrogen electronegativities are 3.44 and 3.04.

E. Bonds between carbon and other atoms are relatively unstable and readily dissociate, resulting in the formation of new molecules. False, carbon bonds are very stable.

F. The carbon backbone of a molecule is made up of a string of carbon atoms held together with either single or double bonds. True, carbon can form strings with single, double or triple bonds.

G. The carbon backbone of a molecule comes in a variety of shapes: linear, ring-like, or highly branched. True, carbon molecules can form a great variety of shapes.

H. Carbon is a relatively large atom allowing it to bind to more atoms than smaller atoms would, thereby making it more versatile. False, carbon atom is a small molecule.

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Rina8888 [55]

Answer:

Answer:K subscript e q equals StartFraction StartBracket upper C upper O subscript 2 EndBracket StartBracket upper C a upper O EndBracket over StartBracket upper C a upper C upper O subscript 3 EndBracket EndFraction

Explanation: the answer has it's root in Law of mass action which states that; the rate of a chemical reaction is directly proportional to the product of the concentrations of the reactants raised to their respective stoichiometric coefficients.

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4 years ago
Which of these compounds would you expect to be most soluble in water? ch3ch2cl ch3ch2ch2ch3 ch3ch2ch2f ch3ch2ch2oh?
Montano1993 [528]

Answer : The compound that would be most soluble in water is CH3CH2CH2OH

Explanation :

Water is a polar solvent and can dissolve polar molecules. This is based on the principle "Like dissolves like".

Among the given molecules, CH3CH2CH2CH3 is a hydrocarbon known as butane. All hydrocarbons are non polar. Therefore this compound will not be soluble in water.

The remaining compounds are polar, but Ch3CH2CH2OH shows greater solubility in water owing to presence of hydrogen bonding.

Hydrogen bonding is a type of intermolecular force that gets formed when a compound has hydrogen atom directly attached to highly electro-negative N, F or O atom.

When CH3CH2CH2OH is dissolved in water, it forms hydrogen bonds with water molecules. Due to this hydrogen bonding, the molecule shows greater solubility.

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6 0
4 years ago
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An insoluble solid that forms from a chemical reaction is called a(n) _____.
serious [3.7K]
I believe that an insoluble solid that forms a chemical reaction is called a precipitate. 
Precipitate is an insoluble solid that forms when two ionic compounds in solution are combined. Which means precipitation reaction is the creation of a solid from a solution, and when the reaction occurs in a liquid solution, the solid formed is called the precipitate. In fact the only method of forming insoluble salts is called precipitation or double decomposition of salts.
4 0
3 years ago
Hydrogen gas is collected over water in an inverted buret. If the atmospheric pressure is 745 mm Hg, the vapor pressure of water
Varvara68 [4.7K]

Answer:

P_{H_2}=727mmHg

Explanation:

Hello there!

In this case, according to the given data, it is possible to infer that the gas mixture lies on the 15.0 cm-high column of water, so that the total pressure or atmospheric pressure is given by:

P_{atm}=P_{water}+P_{H_2}

Thus, since the atmospheric pressure is 745 mmHg and the vapor pressure of water is 18 mmHg, the pressure of hydrogen turns out to be:

P_{H_2}=P_{atm}-P_{water}\\\\P_{H_2}=745mmHg-18mmHg\\\\P_{H_2}=727mmHg

Best regards!

6 0
3 years ago
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Explanation:

8 0
3 years ago
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