C(s) + 2S(g) → CS\(_2\)(g) ΔH = +89 kJ mol-1 The chemical equation above implies...

Chemistry

JAMB 2001

C(s) + 2S(g) → CS\(_2\)(g)
ΔH = +89 kJ mol-1
The chemical equation above implies that

A. each of carbon and sulphur has 89 kJ of energy
B. both carbon and sulphur contribute 89 kJ of energy
C. 89 kJ of energy is released
D. 89 kJ of energy is absorbed

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Correct Answer: Option D

Explanation

ΔH = + 89kJ means it is an endothermic reaction. However, endothermic reaction is one in which heat is absorbed into the system from the surrounding.

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C(s) + 2S(g) → CS\(_2\)(g) ΔH = +89 kJ mol-1 The chemical equation above implies...

Correct Answer: Option D

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