Which reaction is endothermic? ½N 2(g) + 3/2H 2(g) → NH 3(g) + 11.0 kcal H 2(g) + ½ O 2(g) → H 2O(g), ΔH = -57.82 kcal ½N 2(g) + O 2(g) + 8.1 kcal → NO 2(g) C (diamond) + O 2(g) → CO 2, ΔH = -94.50 kcal

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Why is silver chloride is an ionic compound

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.