If an object gets smaller due to a change in state, what happens to its volume? How will this affect its density?

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.