Higher Chemistry - Unit 3 - Equilibrium

Front

Equilibrium is a __________ process

Back

Dynamic

Front

At equilibrium the concentration of all species in the reaction is _________. Options: Constant, Increasing, Decreasing, Oscillating

Back

Constant

Front

The idea that when a system at equilibrium is stressed, it will react to relieve that stress and return to equilibrium is known as:

Back

Le Chatelier's Principle

Front

At what time did the reaction reach equilibrium? Options: t₁, t₂, t₃, t₄

Back

t₂

Front

Increasing the temperature on a ________ reaction will increase the concentration of products. Options: Endothermic, Exothermic, Isothermic

Back

Endothermic

Front

Decreasing the temperature of an exothermic reaction will shift the reaction to the ________

Back

right

Front

This symbol indicates that a reaction is

Back

reversible

Front

When the system X + 2 Y <=> Z has reached equilibrium, which of the following is TRUE?

Back

Forward and backward reactions occur at the same rate.

Front

For the reaction: SO₂ + O₂ <=> SO₃
If the concentration of SO₂ is increased, the equilibrium position of the reaction will shift ___________.
Options: to the left, to the right, to the left and right, neither left nor right

Back

to the right

Front

For the reaction...
N₂  +  O₂  <=>  2NO
If  O₂ is removed, the  concentration of N₂ will _______. Options: increase, decrease, remain the same, double

Back

increase