In the reaction 2C + O₂-> 2CO, if the heat liberated is 10 J, what is the h

Question

In the reaction 2C + O₂-> 2CO, if the heat liberated is 10 J, what is the heat of formation of CO?

Options:

A . -5 J

B . 5 J

C . -10 J

D . 10 J

Answer: Option A
Answer: (a).-5 J

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