Which of the following is not an exothermic reaction? A) C + O2 → CO2
Which of the following is not an exothermic reaction?
A) C + O2 → CO2
B) CaO + H2O → Ca(OH)2
C) N2 + O2 → 2NO
D) CH4 + 2O2 → CO2 + 2H2O
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