Gas Laws

What is the formula for Boyle's law?

P1V1=P2V2

What does Boyle's law state?

The pressure and volume of a confined gas have an inverse relationship

What is the formula for Charles's law?

V₁/T₁ = V₂/T₂

What does Charles' law state?

Volume and temperature are directly proportional

What is the formula for Gay-Lussac's Law?

P₁/T₁ = P₂/T₂

What does Gay-Lussac's Law state?

Pressure and temperature are directly proportional

What is the formula for the ideal gas law?

PV=nRT

What is KMT?

• Particles in a gas are always in constant, random motion

What is a real gas?

• particles have volume

• energy lost in collisions

• intermolecular forces

What is an ideal gas?

• Particles have no volume

• Collisions are elastic

• No interactions between particles

When do real gases behave like ideal gases?

• At high temperatures

• At low pressures

What is STP?

0 celsius, 101.35 kPa

What is SATP?

25 celsius, 100 kPa

For the ideal gas law, what is the R value for atm?

0.08206

For the ideal gas law, what is the R value for kPa?

8.314

For the ideal gas law, what is the R value for mm Hg?

62.36

What is rule 2 for KMT?

• The combined volume of the particles is negligible

What is rule 3 for KMT?

• Particles exert no force on one another

What is rule 4 for KMT?

• Any collisions between particles are elastic

What is rule 5 for KMT?

• The avg. kinetic energy of the particles is proportional to the temperature in kelvins.