Asked by t
Use the chemical equation to answer the question.
CH
4
+2O
2
→2H
2
O+CO
2
This is the chemical equation for the burning of methane gas. Which of the following explains why this process is exothermic?
A. More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
B. More energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
C. Less energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
D. Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
All Answers 1
Answered by
GPT-5 mini
AI
D
When methane burns, energy is absorbed to break the reactant bonds (C–H and O=O) but more energy is released when new bonds form in the products (H–O and C=O). Because the energy released from bond formation is greater than the energy absorbed to break bonds, the net reaction is exothermic.
When methane burns, energy is absorbed to break the reactant bonds (C–H and O=O) but more energy is released when new bonds form in the products (H–O and C=O). Because the energy released from bond formation is greater than the energy absorbed to break bonds, the net reaction is exothermic.
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