Question

1 choose the best answer.
according to le chateliers principle, what will happen to the system when more reactants are added to a system?
nothing will happen to the reaction.
the reaction will shift toward the products.
the reaction will stop.
the reaction will shift toward the reactants.
2 choose the best answer.
which of these describes the law of conservation of mass?
mass reactants < mass products
mass reactants = mass products
mass reactants ≈ mass products
mass reactants > mass products

Explanation:

Question 1

Le Chatelier's principle states that if a stress is applied to a system at equilibrium, the system will shift in a direction that relieves the stress. Adding more reactants is a stress, so the system will shift to consume the added reactants and form more products. So the reaction will shift toward the products.

The law of conservation of mass states that in a chemical reaction, the total mass of the reactants is equal to the total mass of the products. This is because matter is neither created nor destroyed in a chemical reaction, only rearranged.

Answer:

The reaction will shift toward the products. (The option corresponding to this statement)

Question 2