Connect with a global community of knowledgeable individuals on IDNLearn.com. Get accurate and detailed answers to your questions from our dedicated community members who are always ready to help.
Answer: C
Explanation:
In endothermic reactions, enthalpy is positive, and in exothermic reactions, enthalpy is negative, So, if enthalpy is positive, then it is an endothermic reaction, and hence is required for the reaction to occur.