Explain Bond Energy Changes
Chemistry · Flashcards · Application
CHEMISTRY · FLASHCARDS
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QUESTION
Identify whether this statement is correct: "Bond formation requires energy input."
QUESTION
Find
Δ
H
\Delta H
Δ
H
if
∑
E
(
broken
)
=
1200
\sum E(\text{broken})=1200
∑
E
(
broken
)
=
1200
and
∑
E
(
formed
)
=
900
\sum E(\text{formed})=900
∑
E
(
formed
)
=
900
in
kJ mol
−
1
\text{kJ mol}^{-1}
kJ mol
−
1
.
QUESTION
Identify whether this statement is correct: "Bond breaking releases energy."
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ANSWER
Incorrect; bond breaking absorbs energy. Bond breaking is always endothermic (energy absorbing).
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