NEET Chemistry Thermodynamics Questions Solved


For given following equations and H° values determine the enthalpy of reaction at 298 K for the reaction 

C2H4(g) + 6F2(g)  2CF4(g) + 4HF(g)

H2(g) + F2(g)  2HF(g)       H1°= -537 kJ

C(s) + 2F2(g) CF4(g)         H2°=-680 kJ

2C(s) + 2H2(g) C2H4(g)    H3°= 52 kJ

(1) -1165 

(2) -2486

(3) +1165

(4) +2486

Concept Videos :-

#4 | Heat
#26 | Entropy
#29 | Entropy Change Calculation: Case II, III & IV

Concept Questions :-

Enthalpy and It's Type
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