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Calculate the height in cm of a mercury column that exerts a pressure of 213 torr.

A. 2.90 X 10 to the power of 3
B. 1.62 x 10 to the power of 5 cm
C. 15.7 cm
D. 213 cm
E. 21.3 cm

A gas sample containing N2 and O2 was found to contain 72% N2. If the pressure of the sample was 2.0 atm, what is the partial pressure of O2?

A. 0.56 ATM
B. 0.28 ATM
C. 1.44 ATM
D. O.72 ATM
E. 0.43 ATM

 

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