Which of the following is not a physical change?
a. grating cheese
c. fermenting of cheese
b. melting cheese
d. mixing two cheeses in a bowl

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration

What mass of iron must be in a hot pack to provide -335kj of heat when the iron reacts with oxygen and is converted to iron (111) oxide according to the following thermochemical equation? 2fe(s) + 1.5o2(g)—> fe2o3(s) delta h= -824.2kj/mol