Given the balanced equation representing a reaction:

CH4 (g) + 2O2 (g) - - > 2H2O (g) + CO2 (g) + heat

Which statement is true about energy in this reaction?

(1) The reaction is exothermic because it releases heat.

(2) The reaction is exothermic because it absorbs heat.

(3) The reaction is endothermic because it releases heat.

(4) The reaction is endothermic because it absorbs heat.

Question

Dominique Glenn

Chemistry

20 July, 14:33

Given the balanced equation representing a reaction:

CH4 (g) + 2O2 (g) - - > 2H2O (g) + CO2 (g) + heat

Which statement is true about energy in this reaction?

(1) The reaction is exothermic because it releases heat.

(2) The reaction is exothermic because it absorbs heat.

(3) The reaction is endothermic because it releases heat.

(4) The reaction is endothermic because it absorbs heat.

+5

Answers (1)

Know the Answer?

Londyn Ross · Answer 1

The answer is (1) the reaction is exothermic because it releases heat. From the reaction, we can see that the heat is at the right of the equation which means the reaction releases heat. So it is called exothermic reaction. Endothermic reaction absorbs heat.