a sample of cobalt at 200.0C is dropped into a calorimeter containing 50.0 mL of water at 21.1C. the final temperature of the water/cobalt mixture was 67.1C. What was the mass of the sample of cobalt

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.