How much work is done in transferring a 7 C charge across a voltage of 9 volts?

How much work is done in moving a charge of 3 C across two points having a potential difference 19 V?

What is a measure of how much work is needed to move a charge from one point to another?A amperageB resistanceC electric currentD voltage

How many joules would be required to create a voltage of 21.7 volts if 113.5 coulombs of charge were transferred?

If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be?1 point0.5 V2 V5 V10 V

How much work is done in the water electrolysis reaction above?  Assume room temperature conditions.  7.5 kJ   - 7.5 kJ   -2.5 kJ   2.5 kJ