Question

Which statement is true if the Hrxn of a reaction is positive?

Answer 1

Answer: answer is A

Step-by-step explanation:

because the reaction will always be endothermic

Answer 2

When the heat of reaction is positive, then the reaction is an endothermic reaction. It means that the heat is into the system. The reaction to occur heat should be supplied into the system. It is not a spontaneous reaction since the process absorbs energy to reach the activation energy.