(i) What is the value ΔrH° of the following reaction: H+(aq) + OH-(a

1.	(i) What is the value ΔrH° of the following reaction: H+(aq) + OH-(aq) →H2O(l). (ii) Give an example in which enthalpy change is equal to internal energy?
Answer» (i) ΔrH° = -57.1 kJmol^-1 (ii) H₂(g) + I₂(g) → 2HI(g) here ΔH = ΔU

(i) What is the value ΔrH° of the following reaction: H+(aq) + OH-(aq) →H2O(l). (ii) Give an example in which enthalpy change is equal to internal energy?

Answer»

(i) ΔrH° = -57.1 kJmol^-1

(ii) H₂(g) + I₂(g) → 2HI(g) here ΔH = ΔU

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(i) What is the value ΔrH° of the following reaction: H+(aq) + OH-(aq) →H2O(l). (ii) Give an example in which enthalpy change is equal to internal energy?

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