What is the action force and reaction force?

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh