What happens to the molecules within a gas when the gas condenses

When gas molecules condenses, they lose energy.

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)