### How various excess electrons does it have

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##### Reference no: EM1345576

Q. One mole of an ideal gas does 1408 J of work on the surroundings as it expands isother- mally to a final pressure of 1.6 atm and vol- ume of 29 L. Find the initial volume.

Q. A spherical water drop 1.30 µm in diameter is suspended in calm air owing to a downward-directed atmospheric electric field E = 512 N/C.

(a) What is the weight of the drop?

(b) How many excess electrons does it have?

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