Which of the following is an endothermic reaction? . a) an explosion. b) condensation of steam. c) freezing water. d) thawing ice.

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Which are forms of frozen water? check all that apply. dew frost hail rain sleet