the kenetic energy of a roller coaster is 100 joules. the potential energy of the same coaster is 100 joules. what is the mechanical energy of the coaster

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated

What is dhmo? hint: you find it everywhere something is wet..