Hello, I\'m having a hard time answering part C and D. I dunno what I\'m messing

Question

Hello, I'm having a hard time answering part C and D. I dunno what I'm messing with. I an explanation within the answer will be appreciated!

Two 2.0cm×2.0cm metal electrodes are spaced1.8 mm apart and connected by wires to the terminals of a 9.0 V battery.

Part C

What is the charge on each electrode?

Express your answer to two significant figures and include the appropriate units.

Part D

What is the potential difference between electrodes?

Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

C = (0 x A) / d = 8.85x10^-12 x (0.020)^2 / 0.0018 = 1.966666 x 10^-12 F

=>

Part C

Q = CV = 1.9666666 x 10^-12 x 9 = 1.77 x 10^-11 C

Part D

Potential difference between electrodes = 9 V

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