6
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Heat

Question 6 • *25-26 KCS18 Chemistry IC

It is important for scientists to know how much energy is given off or absorbed in a chemical reaction. Which options below would indicate an exothermic reaction?

Answer
A
H = –
Option A
B
H = +
Option B
C
Energy is considered a reactant in the reaction: A + B + energy C + D
Option C
D
Energy is considered a product in the reaction: A + B C + D + energy
Option D
E
Energy is released in the reaction.
F
Energy is absorbed in the reaction.