Discussion :: Chemical Engineering Thermodynamics
- For an exothremic reaction
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A.
Only enthalpy change (ΔH) is negative |
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B.
Only internal energy change (ΔE) is negative |
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C.
Both ΔH and ΔE are negative |
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D.
Enthalpy change is zero |
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Answer : Option C
Explanation :
During exothermic reaction since the heat is given out by the system the thermal energy decreases and therefore the internal energy decreases leading to a decrease in enthalpy.
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