What is the equivalent energy of a 10 mg mass ?

Calculate the equivalent energy for 15 mg of mass.

What is energy equivalent to a 10 mug mass?

What is the equivalent mass of a metal having electrochemical equivalent of 3.4 xx 10^(-7) kg?

Equivalent Mass

What is the relation between energy and mass?

Calculate the equivalent energy of electrons and proton at rest. Given that mass of electron =9.1xx10^(-31)kg and mass of proton =1.673xx10^(-27)kg .