Which of the following is an example of a saturated hydrocarbon?

Chemistry

2 answers:

MakcuM [25]3 years ago

4 0

C. Ethyne. Hope this helped :)

KIM [24]3 years ago

3 0

Answer: B. Heptane

Explanation:

Saturated hydrocarbons are defined as the hydrocarbons in which a single bond is present between carbon and carbon atoms. they are known as alkanes. The general formula for these hydrocarbons is $C_nH_{2n+2}$

Unsaturated hydrocarbons are defined as the hydrocarbons which have double or triple covalent C-C bonds. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is $C_nH_{2n}$ and $C_nH_{2n-2}$

A. Nonyne is an alkyne with 9 carbon atoms with molecular formula of $C_9H_{16}$

B. Heptane is an alkane with 7 carbon atoms with molecular formula of $C_7H_{16}$

C. Ethyne is an alkyne with 2 carbon atoms with molecular formula of $C_2H_{2}$ .

D. Hexene is an alkene with 6 carbon atoms with molecular formula of $C_6H_{12}$

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A certain alcohol contains only three elements, carbon, hydrogen, and oxygen. Combustion of a 60.00 gram sample of the alcohol p

marin [14]

Answer:

$C_2H_6O$

Explanation:

The first step is the calculation of the moles of $H_2O$ and $CO_2$ , so:

$114.6~g~CO_2\frac{1~mol~CO_2}{44~g~CO_2}=2.6~mol~of~CO_2$

$70.44~g~H_2O\frac{1~mol~H_2O}{18~g~H_2O}=~3.9~mol~H_2O$

Now, in 1 mol of CO2 we have 1 mol of C and in 1 mol of $H_2O$ we have 1 mol of H. Additionally, if we want to calculate the moles of oxygen we need to calculate the grams of C and O and then do the substraction form the initial amount, so:

$2.6~mol~CO_2\frac{1~mol~C}{1~mol~CO_2}\frac{12~g~C}{1~mol~C}=31.25~g~of~C$