(they don't have science so I guess cemastry will do.) warm air rises because of___

A student holds the back of his hand near an iron tosee if it's hot. The heat transfer is___

Warm water moves throuout a mattress because of___
In a swimmming pool The watter near the surface is warmer because of___
(i'll do the rest later)​​

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

What reaction is taking place? 02 + c3h8 = h20 + co2

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?