5. Given the equation for the combustion of one mole ofCH.(g):СH(9) + 5/2 0,(g) a 2 СO (g) + НО)(a) Calculate the heat of combustion of C,H,(g) from thefollowing data:(i) C,H (g) ® C¸H,(g) + 2 H,(g)DH =+311.4 kJ(ii) H,(g) + ½ 0,(g) ® H,O(1)DH=-285.9 kJ(iii) 2 CO,(g) + 3H,O(1) ® C̟H.(g) + 7/2 O,(g)DH = +849 kJ(b) Calculate the internal energy change, DE (in kJ), when5.300 g of C,H.(g) was burned in excess oxygen at 45°C.R = 8.314 J/mol-K

Answered: Image /qna-images/answer/2d6d3bc1-e689-49d6-85d8-bd8980a78b8d.jpg

5. Given the equation for the combustion of one mole of CH.(g): CH(g) + 5/2 0,(g) à 2 CO,(g) + H,O(1) (a) Calculate the heat of combustion of C,H.(g) from the following data: (i) C,H (g) ® C,H(g) + 2 H,(g) DH = +311.4 kJ (ii) H,(g) + ½ O,(g) ® H¸O(1) DH =-285.9 kJ (iii) 2 CO,(g) + 3H,O(1) ® C,H(g) + 7/2 0,(g) DH = +849 kJ (b) Calculate the internal energy change, DE (in kJ), when 5.300 g of CH(g) was burned in excess oxygen at 45°C. R = 8.314 J/mol-K

5. Given the equation for the combustion of one mole of CH.(g): CH(g) + 5/2 0,(g) à 2 CO,(g) + H,O(1) (a) Calculate the heat of combustion of C,H.(g) from the following data: (i) C,H (g) ® C,H(g) + 2 H,(g) DH = +311.4 kJ (ii) H,(g) + ½ O,(g) ® H¸O(1) DH =-285.9 kJ (iii) 2 CO,(g) + 3H,O(1) ® C,H(g) + 7/2 0,(g) DH = +849 kJ (b) Calculate the internal energy change, DE (in kJ), when 5.300 g of CH(g) was burned in excess oxygen at 45°C. R = 8.314 J/mol-K

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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