please just tell me the right options faster

Question 1 Sidney notes moving a charge from one point to another requires 150 ] of energy. If the charge has magnitude of +0.50 C, what is the potential difference between the initial and final point? A. zero volts B. 75 V C. 150 V D. 300 V E. 450 V Question 2 Sidney measures the charge on a metal orb in and finds it to be -3.2 x 10 -17 C. How many excess electrons are present on the surface? A. 200 B. 400 C. 500 D. 300 E. 100