Six groups of pupils burned magnesium in air. The magnesium reacted with oxygen to form magnesium oxide Make answer with graph to get mark

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

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )