Chapter 11: Q. 11.31 (page 381)
Draw the condensed structural formula for each of the following:
a.
b.
c.
Short Answer
Part(a) The structure is

Part(b) The structure is

Part(c) The structure is

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Chapter 11: Q. 11.31 (page 381)
Draw the condensed structural formula for each of the following:
a.
b.
c.
Part(a) The structure is

Part(b) The structure is

Part(c) The structure is

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Acetylene (ethyne) gas reacts with oxygen and burns at in an acetylene torch. role="math" localid="1652782652190"
a. Write the balanced chemical equation for the complete combustion of acetylene.
b. What is the molar mass of acetylene?
c. How many grams of oxygen are needed to react with of acetylene gas at STP?
d. How many liters of gas at STP are produced when of acetylene undergoes combustion?
Heptane, used as a solvent for rubber cement, has a density of and boils at .
a. Draw the condensed structural and line-angle formulas for heptane.
b. Is heptane a solid, liquid, or gas at room temperature?
c. Is heptane soluble in water?
d. Will heptane float on water or sink?
e. Write the balanced chemical equation for the complete combustion of heptane.
Identify each of the following as a formula of an organic or inorganic compound. For an organic compound, indicate if represented as molecular formula, expanded, or condensed structural formula:
a.
b.
c.
d.

e.
f.
Identify the compounds in each of the following pairs as structural isomers or not structural isomers: ()
a.

b.

Indicate whether each of the following pairs represents structural isomers or the same molecule:
a.

b.

c.

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