Francis is conducting an experiment to determine whether the acidity of ocean water affects the growth of ocean plants. He has 10 aquariums, each containing the same species of ocean plant. One has a pH of 8.2, the approximate pH of the ocean. The others vary in acidity from 0 to 14. Francis measures the growth of each plant after one month. Each aquarium is kept at the same temperature and receives the same amount of sunlight.

What is the variable being tested in this experiment?

acidity or pH
species of plant
temperature
amount of sunlight

adding or remove a gaseous reactant or product changes the concentrations. if the concentration of reactant or product is increased, the system will shift away from the side in which concentration was increased (i.e. if the concentration of reactants is increased, the system will shift toward the products. if more products are added, the system will shift to form more reactants). conversely, if the concentration of reactant or product is decreased, the system will shift toward the side in which concentration was decreased (i.e. if reactants are removed, the system will shift to form more reactants. if the concentration of products is decreased, the equilibrium will shift toward the products).

explanation:

14 days is the half-life of phosphorus-32

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