Given the equation representing a reaction: h2 o2 --> h2o . what is the total mass of water formed when 8 grams of hydrogen reacts completely with 64 grams of oxygen?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms