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For CaCO(3(s)) iff CaO((s))+CO(2(g)) at ...

For `CaCO_(3(s)) iff CaO_((s))+CO_(2(g))` at `977^@ C`, `Delta H`=176 kJ/mol, then `Delta U` is _______ .

A

180 kJ

B

186.4 kJ

C

165.6 kj

D

160 kJ

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The correct Answer is:
C
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