When potassium hydroxide and barium chloride react, potassium chloride and barium hydroxide are formed. the balanced equation for this reaction is *

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

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

Explain that newton first law,second law and third law of motion?