Use Hess’s Law to find the standard enthalpy change for the reaction CO2(g) → C(s) +...

Question

Question

Use Hess’s Law to find the standard enthalpy change for the reaction CO2(g) → C(s) + O2(g)

using only the following information. Show all your work, including any equations you use to obtain your answer and showing clearly how you obtained that answer. (3 pts.)

H2O(l) → H2(g) + 1/2O2(g)
C2H6(g) → 2C(s)+ 3H2(g)
2CO2(g) + 3H2O(l) → C 2H6(g) + 7/2O2(g)

∆Ho (kJ) 643 kJ 190.6kJ

3511.1 kJ

Answer 1

Answer #1

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Answer 2

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