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Chemistry(Please check)

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1) Which statement below is incorrect if any?

a)when gas is at STP, the pressure of the gas is at 1.00 atm.
b)when a gas is at STP, the temperature of the gas is 25 degrees celsius
c)at STP the molar volume of a gas is 22.4L
d)at STP the molar volume of all gases are the same
e) all the statements above are correct

I chose answer D as the correct one.

2)For an ideal gas, which pairs of variables are directly proportional to each other(if all other factors remain constant)?

a) P and T
b) P and V
c) V and T
d) n and V

I chose P&T, V&T, and n&V.

Are these correct?

  • Chemistry(Please check) - ,

    2 is ok. 1 is not correct.
    What is STP?
    1 atm
    273 K (zero C)

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