Calculate the heat evolved (in kJ) when 248.27 g of carbon dioxide (CO2) is formed in the combustion of octane gas (C8H18). 2 C8H18 (g) + 25 02 (g) → 16 CO2 (g) + 18 H20 (1) ΔΗ = -10942 ΚΙ MW: C8H18 = 34, O2 = 32, CO2 = 44, H20 = 18 Express your answer in two decimal places.

Calculate the heat evolved (in kJ) when 248.27 g of carbon dioxide (CO2) is formed in the combustion of octane gas (C8H18). 2 C8H18 (g) + 25 02 (g) → 16 CO2 (g) + 18 H20 (1) ΔΗ = -10942 ΚΙ MW: C8H18 = 34, O2 = 32, CO2 = 44, H20 = 18 Express your answer in two decimal places.

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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Question

Calculate the heat evolved (in kJ) when 248.27 g of carbon dioxide (CO2)
is formed in the combustion of octane gas (C8H18).
2 C8H18 (g) + 25 02 (g) → 16 CO2 (g) +
AH = -10942 kJ
MW: C8H18 = 34, O2 = 32, CO2 = 44, H2O = 18
Express your answer in two decimal places.
18 H20 (1)

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