Le Chatelier's principle states that: what is the correct answer ? a. Only exothermic reactions can reach chemical equilibrium. b. Only reactions in which a catalyst is present can reach chemical equilibrium. c. If a chemical equilibrium is disturbed, the system will try and reestablish equilibrium. d. If a chemical equilibrium is disturbed, the temperature of the system will always decrease.
Le Chatelier's principle states that: what is the correct answer ?
a. Only exothermic reactions can reach
b. Only reactions in which a catalyst is present can reach chemical equilibrium.
c. If a chemical equilibrium is disturbed, the system will try and reestablish equilibrium.
d. If a chemical equilibrium is disturbed, the temperature of the system will always decrease.
CO2 and H2 are allowed to react until an equilibrium is established as follows: What will be the effect on the equilibrium of removing CO from the equilibrium mixture? CO2 (g) + H2(g) = H2O(g) + CO(g). what will the correct answer ?
a. The equilibrium will favor the reactants side.
b. H2 concentration will double
c. CO and CO2 concentrations will double
d. H2 concentration will decrease and H2O concentration will increase
e. None
According to Le Chatelier's principle, which of the following changes will shift the position of the equilibrium to the left for the reaction N2(g) + 3H2(g) = 2NH3(g) + heat. what is the correct answer ?
a. double the concentration of N2
b. decrease the concentration of NH3
c. increase the concentration of H2
d. triple the temperature
e. None
For a collision between molecules to result in reaction, the molecules must possess a certain minimum energy and. what is the correct answer ?
a. exchange electrons
b. interact with a catalyst for at least one second
c. have a favorable orientation relative to each other when they collide
d. more than one correct response
e. no correct response
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