Please help me I will give you the brain thing and extra points. 1/9
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It is C

Explanation:

20 is the major force on the box and 10 on the left is the counter force so it is cthe resulent force

if the concentration of products is decreased, the equilibrium will shift toward the products). add an inert gas (one that is not involved in the reaction) to the constant-volume reaction mixture: this will increase the total pressure of the system, but will have no effect on the equilibrium condition.

explanation:

po-215 i got it right on the quiz