How is electrical energy generated by performing a chemical reaction ?

How is electrical energy generated in a hydroelectric power plant?

Energy required for start of a chemical reaction is

Assertion:Electrolytic cell uses electrical energy to carry non-spontaneous chemical reactions. Reason : Chemical energy of a spontaneous redox reaction can be converted into electrical energy.

An ____ cell is a device in which electrical energy is converted into chemical energy and vice versa.

Name the following The energy that is released during a chemical reaction

DNA fragments generated by restriction endonucleases in a chemical reaction can be separated by

DNA fragments generated by restriction endonucleases in a chemical reaction can be separated by

Nuclear fission and fusion are examples of conversion of mass into energy. Is strictly speaking mass converted into energy even in an exothermic chemical reaction ?

The Activation energy for a chemical reaction mainly depends upon

How would you calculate the entropy change in a chemical reaction ? How is it helpful in discussing the spontaneity of the reaction ?