How do i "predict the colour change that would be observed if carbon dioxide gas were bubbled into a mixture of calcium oxide, bromothymol blue, and water."

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

Aracehorse with a kinetic energy of 78,750 j is clocked at 17 m/s when it crosses the finish line. what is the horse's mass?