Chem Ch.5 Gases

What is the equation to find the number of moles of a gas?

Mass divided by Molar Mass (m/MM)
How do you find the temperature in Kelvin from degrees Celsius

○C+273.15=○K
What is the mercury unit of pressure?

Meter of Mercury (mm Hg)
What is a bar equal to in pascals?

10⁵Pa
What does atm stand for?

atmosphere
What is Standard Pressure and Temperature?

0^○C and 1atm
What is the equation for the Ideal Gas Law?

PV=nRT
What is the volume of a mole of any gas at STP?

22.4L
What is the value of "R" in Ideal Gas Law?

0.0821
What is the unit for "R" in Ideal Gas Law?

(L*atm)/(mol*K)
What is the equation for finding density of a gas?

(m/V)=MM(P/RT)
What are the full conversion factors of pressure?

1.013bar =1atm = 760 torr = 760mm Hg = 14.7psi = 10⁵ Pa
What is the equation for finding the height of mercuric pressure for a substance with a differing density than the original?

D_ah_a=D_bh_b
What is the equation for total pressure exerted when two species co-exist?
- P_tot= [(n_a+n_b) RT]/V
- or
- P_tot= P_a + P_b
How do you calculate partial pressure when total pressure and composition of mixture are known?

P_a= (n_a/n_tot)*P_tot

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Card Set

Chem Ch.5 Gases

Description

chemistry chapter 5 gases and their laws

Updated

2010-10-22T18:27:11Z

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