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August 23, 2014

Homework Help: Chemistry(Please check)

Posted by Hannah on Wednesday, January 11, 2012 at 8:52pm.

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?

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