4fe + 3o2 → 2fe2o3
iron combines with oxygen to form rust. given the chemical reaction, how many grams of 4fe + 3o2 would produce 10 g of rust?
a) 7 g
b) 10 g
c) 30 g
d) 70 g

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products