Question

Which law of thermodynamics governs the spontaneity of reactions? 

1. The 2^nd Law 

2. There is no thermodynamic law associated with reaction spontaneity. 

3. The 1^st Law 

4. The 0^th Law 

5. The 3^rd Law

Answer 1

Correct option 1. The 2^nd Law

Explanation:

The second law of thermodynamics states that the entropy of the universe is always increasing. Consequently, only processes which increases the overall entropy of the universe satisfy the second law and happen spontaneously.