CH4+2O2→2H2O+CO2
This is the chemical equation for the burning of methane gas. Which of the following explains why this process is exothermic?
(1 point)
Responses
More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
More energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
More energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
Less energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
Less energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
Less energy is absorbed from the breaking of old bonds than is released from the formation of new bonds.
1 answer
The correct response is:
More energy is released from the breaking of old bonds than is absorbed from the formation of new bonds.
This explanation clarifies that more energy is released during the reaction (when new bonds are formed in the products) than is required to break the bonds in the reactants, which characterizes an exothermic reaction where net energy is released into the surroundings.
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