Which of the following are binary ionic compounds? a. phosphorous pentachloride b. carbon tetrabromide c. chromium (iii) bromide d. calcium chloride

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.