How many grams of
hydrogen [H2] form when
850 g of iron [Fe] are used up
in the reaction with an
excess of sulfuric acid? *

the answer would be b i believe

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.