Word Nerd
What is force/area and the SI unit to measure it?
Pressure, Pascal
What is the point of the kinetic molecular theory?
To define an ideal gas
Write the formula for Dalton's Law.
Ptot = P1 + P2 + ...
What is 137 C in K?
410 K
Solve: P1: 422 kPa
T1: 388 K
T2: 873.55 K
Wanted: P2 in kilopascals?
Correct answer is 950 kPa
What do we call the point where particles stop moving and what temperature is it?
Absolute 0. 0K
How are average kinetic energy and temperature related?
Directly proportional
Write the formula for Boyle's.
P1V1 = P2V2
What is 1520 mmHg in atm?
2 atm
Solve: P2: 106.74 kPa
V1: 35.2 L
V2: 2.58 L
Wanted: P1 in kilopascals?
Correct answer is 7.82 kPa
What does STP mean?
Standard Temperature and Pressure
How do gases exert pressure?
Colliding with objects
Which law states that when pressure is constant, temperature and volume are directly proportional?
Charles
What is 500. kPa in psi?
72.5 psi
Solve: P1: 36.974 PSI
P2: 26.88 PSI
V2: 34.9 L
T1: 671.9 K
T2: 396.2 K
Wanted: V1 in liters
Correct answer is 43.0 L
What do we use to measure atmospheric pressure?
Barometer
What is the formula for average kinetic energy?
=1/2*M*V2
Which law states that nothing is constant?
A closed arm manometer moves the mercury inside 603 millimeters. What is that pressure in kPa?
80.4 kPa
Solve: T2: 368.6 K
V1: 13.236 L
V2: 92.54 L
Wanted: T1 in kelvins?
Correct answer is 52.72 K
What are the 5 standard pressures?
760 mmHg 29.9 inHg 14.7 psi 1 atm 101.325 kPa
N2 H2 Ne H2O
N2 Ne H2O H2
Graham's
An open armed manometer has a difference in the mercury of 25 millimeters. If the mercury is lower on the open arm and the atmospheric pressure is 1.01 atm, what is the pressure of the gas in atm?
.98 atm
At a certain temperature, carbon dioxide effuses at a rate of 4.7 mol/min. At the same temperature what is the effusion rate of Chlorine gas?
3.7 mol/min