# Unit II Homework

This is a list of all the homework problems for Unit II.

- Homework introduction.
- Converting units.
- Converting units.
- Converting units.
- Algebra review.
- Algebra review.
- Signs of the cosine and sine of angles.
- Angle between push and direction of motion.
- Mole conversion.
- Introduction to remainder of homework.
- Forces.
- Units of pressure.
- Mass and weight.
- Touchstone amounts of energy.
- Units of work and energy conversion.
- SI unit prefixes.
- Categories of energy.
- The ability to do work.
- Kinetic energy definition.
- A skateboarder and dog’s kinetic energy.
- Phases/states of matter.
- How important are the variables that affect kinetic energy?
- Degrees of freedom.
- Degrees of freedom in an electron transfer.
- Energy at a given temperature.
- Reference points for temperature in Celsius and Kelvin.
- Conversion from Celsius to Kelvin.
- Total height from average.
- Highest to lowest gravitational potential energy.
- Highest to lowest elastic/spring potential energy.
- Energy types described mathematically in this course.
- Potential energy ranking of molecule bonds.
- Not potential energy.
- Speed at the bottom of different slides.
- From different heights, speed when meets the ground.
- Ranking of boxes with the same force applied.
- Processes with non-zero heat.
- Change in thermal and chemical potential energy.
- Potential energy examples; kinetic energy examples.