## Gas Laws & Thermochemistry

## Gas Laws

Understand and preform calculations using the relationship between partial pressure and total pressure and between partial pressure and mole fraction

Explain and apply the basic postulates of the kinetic molecular theory. Define temperature.

Calculate root mean square velocity.

Describe effusion and diffusion and solve for an unknown substance.

Real Gases

Explain and apply the basic postulates of the kinetic molecular theory. Define temperature.

Calculate root mean square velocity.

Describe effusion and diffusion and solve for an unknown substance.

Real Gases

- Explain how real gases deviate from ideal and be able to predict under what conditions deviation is greatest.
- Identify the correction factors and explain what they are correcting for in terms of KMT
- Use the van der Waal's equation to solve for conditions of real gases

## Thermodynamics

Describe energy flow between a system and its surroundings.

Explain first law of thermodynamics

Calculate work that results from changing the volume of gas at constant pressure

Define standard state

Enthalpy

Explain first law of thermodynamics

Calculate work that results from changing the volume of gas at constant pressure

- Determine if work was done on the system or by system
- predict the sign of work

Define standard state

Enthalpy

- Define and calculate enthalpy
- Explain and show how a change in enthalpy is measured by calorimetry
- identify characteristics of enthalpy changes
- calculate change in enthalpy of a reaction
- Use enthalpies of formation to calculate change in enthalpy of a reaction

- Define a spontaneous process
- define entropy in terms of positional probability
- define the second law of thermodynamics in terms of entropy

## Class Handouts |
## Useful Links |