A.Voltaic cell uses exothermic chemical reactions to produce electrical energy
B.In the voltaic cell the positive current flows from the positive electrode to the negative electrode outside the cell
C.A voltaic cell can become an electrolysis cell by use of an external voltage greater than the voltaic cell voltage and imposed in the opposite directions
D.Voltaic cell uses electrical energy to produce endothermic chemical changes
A.mass
B.energy
C.linear momentum
D.angular momentum
A.decreases with increase in temperature
B.increases with increase in temperature
C.ramains unaffected with change in temperature
D.can be calculated by the relation E = mc2
A.the pressure will remain unchanged
B.the pressure will increase in A
C.the pressure will increase in B
D.the pressure will increase both in A and B
A.only the mass crosses the system boundary
B.only the energy crosses the system boundary
C.both energy and mass crosses the system boundary
D.neither energy nor mass crosses the system boundary
A.Internal energy
B.Enthalpy
C.Density
D.Volume
A.Temperature
B.Pressure
C.Specific volume
D.Work
