nursing AIIMS BSc Nursing 2025 Mock Test Series Chemistry Thermodynamics First Law Of Thermodynamics And Hess law
Consider the reactions given below. On the basis of these reactions find out which of the algebric relations given in options (i) to (iv) is correct?
(a) C (g) + 4 H (g) → CH4 (g); ∆r H = x kJ mol–1
(b) C (graphite,s) + 2H2 (g) → CH4 (g); ∆r H = y kJ mol–1
1
x = y
2
x = 2y
3
x > y
4
x < y