Why should batteries be stored when is not being used?

batteries should be stored because when if theres a emergency it can be used directly.

batteries should be stored because when if there is a a emergency it can be used directly.

Explanation:

"standard molar enthalpy:

h2o ( liquid water ) : - 285.8 kj/mole

h2o ( water vapor ) : - 241.8 kj / mole.

δhrxn = - 241. 8 - ( - 285.8 )= -241.8 + 285.8 = 44.0

answer: 44.0 kj"