CHEM 103 EXPERIMENT 5 GAS LAWS

CHEM 103 EXPERIMENT 5 GAS LAWS ALL SOLUTIONS WITH
EXPLANATIONS + ADDITIONAL NOTES AS PER MARKING
SCHEME 2022/2023
whose law? With temperature constant, when pressure increases volume decreases
- ANSWER: Boyle

Whose law? With pressure constant, when temperature increases volume increases
- ANSWER: Charles

Whose law? With volume constant, when temperature increase pressure increases -
ANSWER: Gay Lussac

acronym to remember person with their constant - ANSWER: Brian Thinks Cocoa
Portrays Good Vibes
Boyle temp Charles pressure Gay-Lussac volume

Who says one mole (gram molecular wt) of gas occupies the same volume (22.4 L at
STP) - ANSWER: Avogadro's Law

Who says the total pressure of a gas is equal to the sum of the partial pressures of
the individual gases - ANSWER: Dalton's Law of Partial Pressures

With pressure constant, when temperature increases volume ? - ANSWER: increases
(Charles)

With temperature constant, when pressure increases volume ? - ANSWER: decreases
(Boyle)

With volume constant, when temperature increases pressure ? - ANSWER: increases
(Gay-Lussac)

Boyle's Law: with temp held constant, gas volume is ___ proportional to gas pressure
- ANSWER: inversely proportional

Whose law does this exemplify? During inspiration, the diaphragm pulls downward
increasing thoracic volume, pressure decreases causing a pressure gradient and air
flowing into the thorax - ANSWER: Boyle's

Equation for Boyle's Law - ANSWER: P1V1 = P2V2

Charles Law: at constant pressure, volume is ___ proportional to temperature (at
Kelvin) - ANSWER: directly

Equation for Charles Law - ANSWER: V1/ T1 = V2/ T2