chemistry

Assuming pressure and temperature remain constant, what happens to the volume of a gas if the number of moles of gas is increased (gas is added)?
1) Remains the same
2) Cannot be determined
3) Increases
4) Decreases

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asked by aaloy
  1. PV = nRT . R and T are constants.
    P stays same.
    R stays same
    T stays same
    If n is doubled what must happen to V.
    Check my thinking.

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    posted by DrBob222

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