Correct answer only ! i cannot retake this and i need all correct answers !

the purpose of a cell (battery) is to:

The plum pudding model of the atom state that ?

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these