Please help me I am timed When a material changes from one phase to another it is called a
A) mechanical change
OB) potential change
OC) physical change
OD) chemical change

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?