The heat needed for chemical reaction to take place is called a. heat of reaction b. activation energy c. friction

The heat needed for a chemical reaction to take place is called activation energy. The correct answer is b. Activation energy is also referred to as the minimum amount of energy needed to jump start a chemical reaction. A reaction requiring a large amount of energy to be triggered is said to have a high activation energy while a smaller amount is said to have low activation energy.

Social and economicthe concept of international social responsibility is the expectation that mncs concern themselves about social and economic effects of their decisions regarding activities in other countries.

The correct answer is b