Which of the following happens when a reaction reaches dynamic equilibrium in a closed system? the concentrations of the reactants and products increase. the concentrations of the reactants and products remain constant. the rate of the forward reaction is faster than the rate of the reverse reaction. the rate of the forward reaction is slower than the rate of the reverse reaction.

The concentration of the reactants and products remain constant!

Explanation: remember that a dynamic equilibrium is a state of balance in which the rates of the forward and reverse reactions are equal, and they continue to occur at an equivalent and constant rate with the same amount of product and reactants!

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

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(jacemorris04)

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