8. what are two ways in which mixtures differ from compounds?

How many miles of water are produced if 5.43 mol pbo2 are consumed

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction