What is the change in enthalpy at 25°C and 1 atm for the production of 3.00 mol SnO(s) ?
Sn(s) + SnO₂(s) → 2SnO(s) ; ΔH° = 16.2 kJ

Question

What is the change in enthalpy at 25°C and 1 atm for the production of 3.00 mol SnO(s)? Sn(s)+ SnO₂(s)→ 2SnO(s); ΔH° = 16.2 kJ A)24.2 kJ B)-16.2 kJ C)16.2 kJ D)5.4 kJ E)24.3 kJ

Quizplus · Accepted Answer

The given reaction produces 2 moles of SnO(s) with a ΔH° of 16.2 kJ. To produce 3 moles of SnO(s), the reaction needs to be scaled by 1.5, resulting in a change in enthalpy of 1.5 * 16.2 kJ = 24.3 kJ.

What Is the Change in Enthalpy at 25°C and 1