Apollo 13

There's been an explosion on the command module of the Apollo 13 lunar landing mission. You need to determine whether the lunar module can safely return the astronauts to Earth.

A spacecraft in space with Earth in the background and an astronaut exiting from a hatch. Image credit to NASA from https://www.nasa.gov/centers/marshall/history/this-week-in-nasa-history-apollo-9-splashes-down-march-13-1969.html.

Problem written by: Dragos Bora.

Curriculum items covered: balancing reactions, stoichiometry, mole calculations.

Download the full problem here.