Answered: constant volume, the heat of combustion…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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constant volume, the heat of combustion of a particular compound is -3800 kJ/mol. When 2.100 g of this compound (MW =106.25g / mol) was burned in bomb calorimeterthe temperature of the calorimeter rose by 5.989C. What is the heat capacity?

Expert Solution

Step 1

Given : At constant volume, the heat of combustion of compound = -3800 KJ/mol.

Mass of compound combusted = 2.100 g

Molar mass of compound = 106.25 g/mol.

And Increase in temperature of calorimeter = 5.989 ^oC

Since mass = moles X molar mass

=> 2.100 = moles of compound combusted X 106.25

=> Moles of compound combusted = 0.019765 mol approx.

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