A 125 mg sample of butane, (Mr/g mol¹ = 58.13) was burnt in a bomb calorimeter and an increase in temperature of 3.25 K was observed. AH(C4H10, 9) = -2878 kJ/mol, AcH (C5H12, 9) = -3537 kJ/mol at 298,15 K. Calculate i. The calorimeter constant. ii. The change in temperature upon combustion in the same bomb calorimeter of 125 mg pentane (Mr/g mol-¹ = 72.15) Express your answers in 5 significant figures.

A 125 mg sample of butane, (Mr/g mol¹ = 58.13) was burnt in a bomb calorimeter and an increase in temperature of 3.25 K was observed. AH(C4H10, 9) = -2878 kJ/mol, AcH (C5H12, 9) = -3537 kJ/mol at 298,15 K. Calculate i. The calorimeter constant. ii. The change in temperature upon combustion in the same bomb calorimeter of 125 mg pentane (Mr/g mol-¹ = 72.15) Express your answers in 5 significant figures.

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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