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Flura [38]
3 years ago
10

Write condensed and bond-line structural formulas for all of the constitutional isomers Practice problem 4.1 with the molecular

formula C7H16. (There are a total of nine constitutional isomers.)

Chemistry
1 answer:
OLEGan [10]3 years ago
6 0

Answer:

See figure 1.

Explanation:

In this case have to take into account that <u>all structures</u> must have the formula: C_7H_16. If we remember the <u>general formula for alkanes</u>: C_nH_2_n_+_2 if we have <u>"7" carbons (n=7)</u> we will have <u>16 hydrogens</u>.  Therefore all the structures that fit with this formula are alkanes.

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what is the specific heat of a substance if 1560 cal are required to raise the temperature of a 312-g sample by 15°C
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What is the empirical formula of a compound containing 5.03 grams carbon, 0.42 grams hydrogen, and 44.5 grams chlorine?
djverab [1.8K]

The empirical formula of the compound is CHCl₃.

<h3>Calculation:</h3>

Given,

Mass of carbon = 5.03 g

Mass of hydrogen = 0.42 g

Mass of chlorine = 44.5 g

Molecular weight of carbon = 12 g

Molecular weight of hydrogen = 1 g

Molecular weight of chlorine = 35.4 g

First, calculate the moles of each element,

                      Moles = given mass/ molecular weight

Moles of carbon = 5.03/12 = 0.42

Moles of hydrogen = 0.42/1 = 0.42

Moles of chlorine = 44.5/ 35.4 = 1.26

Divide the moles of each element by the smallest number of moles,

0.42 mol of C/ 0.42 = 1 C

0.42 mol of H/ 0.42 = 1 H

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The ratio of elements is 1:1:3

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Learn more about empirical formula here:

brainly.com/question/20708102

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