Gas Laws

Equations

100

Name the equation for the Ideal Gas Law.

PV = nRT

200

Name the equation for Density

D = m/V

300

Rearrange the Ideal Gas Law to solve for Molar Mass?

MM = mRT/PV

Dimensional Analysis

100

Convert 34187 g to kg

34.187 kg

200

Convert 28 mm Hg to kPa. 

100 kPa = 750.06 mm Hg

(Hint: Don't Forget Sig Figs)

3.7 kPa

300

Convert 295.0 mm H₂O to atm.

13.50 mm H₂0 = 1.000 mm Hg

750.06 mm Hg = 0.98692 atm

0.02875 atm

Units

100

Name two units that can be used for pressure.

atm, bar, torr, mm Hg, psi, Pa, kPa

200

What is the conversion difference between Celsius and Kelvin? 

273.15

300

What are the units for Gas Constant R

(Hint: If you dont know off by heart write outthe gas law and work through with units)

L kPa mol^-1 K^-1

OR

L bar mol^-1 K^-1

Other

100

An instrument commonly used to measure pressure

Barometer

200

AT STP, what are Temperature, Pressure, Moles, and Volume assumed to be?

T = 273.15 K or 0^oC

P = 1 bar

n = 1 mole

V = 22.71 L

300

Name two of the three factors that affect Pressure.

1. Volume

2. Amount

3. Temperature