Question

Unit 5A (Gasses)

The ideal gas law is PV = nRT. Explain what each variable is in this equation and include a
common unit used to measure that variable
Variable P V n R T
Property Pressure
Unit Pa/bar/atmosphere
In a sealed bottle, the temperature is raised from 200 K to 400 K.
What happens to the remaining quantities
Pressure (P) (doubles / halves / stays constant )
Volume (V) (doubles / halves / stays constant )
Moles (n) (doubles / halves / stays constant )
Gas constant (R) (doubles / halves / stays constant )
Temperature (T) (doubles / halves / stays constant )
A life raft containing 200 g of air has another 200 g of air added.
What happens to the remaining quantities
Pressure (P) (doubles / halves / stays constant )
Volume (V) (doubles / halves / stays constant )
Moles (n) (doubles / halves / stays constant )
Gas constant (R) (doubles / halves / stays constant )
Temperature (T) (doubles / halves / stays constant )
Two quantities in the ideal gas equation that are directly proportional: _______ and ________
Two quantities in the ideal gas equation that are indirectly proportional: _______ and ________
Given that R= 0.0821(L⋅atm) / (mol⋅K) how many moles must be in a 2L container at
1.8 atmospheres with a temperature of 270K?