Consider the following gas-phase reaction: 2A(g)+B(g)⇌C(g)+D(g) A mixture of reactants and products at equilibrium is subjected to a series of changes. Determine which changes affect the composition of the equilibrium mixture, but leave the value of the equilibrium constant Kc unchanged, affect the value of the equilibrium constant Kc, or affect neither the composition of the equilibrium mixture nor the value of the equilibrium constant Kc.

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)