Endothermic and Exothermic Processes

AP Chemistry· difficulty 4/5

For an EXOTHERMIC reaction, the products

A
$Have lower enthalpy than reactants (energy released to surroundings)$
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B
$Have the same enthalpy$
C
$Have higher enthalpy than reactants$
D
$Cannot be determined$

Explanation

Exothermic ΔH < 0 means H(products) - H(reactants) < 0, so products are at lower enthalpy.

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