Reversible Reactions and Equilibrium

Question 1

Which are examples of equilibrium? Check all that apply.

Revolt · Accepted Answer

A person's income and expenses are equal every month.; The pressure exerted on the inside of a balloon by the gas inside is equal to the pressure exerted on the outside of the balloon by the atmosphere.

Question 2

Which are examples of dynamic equilibrium? Check all that apply.

Revolt · Accepted Answer

A person's bank account balance remains constant because income and expenses are equal.; When humidity is high, the rate at which water evaporates from the surface of a puddle is the same as the rate at which water vapor condenses from the air, so the puddle's size does not change.; Sodium moves between many different compounds during chemical reactions on Earth, but the total amount of sodium on Earth is constant.

Question 3

Question 3

Revolt · Accepted Answer

The equilibrium li: products.; right.

Question 4

Iodine and chlorine can react according to the following equation: Upper I subscript 2 (g) plus upper C l subscript 2 (g) double-headed arrow 2 upper I upper C l (g). At equilibrium, the concentration of ICl is about ten times higher than the concentrations of I2 or Cl2. Use the drop-down menu to complete each statement.At the beginning of the reaction, the forward reaction rate is ✔ greater thanless thanX equal to the reverse reaction rate.

Revolt · Accepted Answer

✔ greater than

Question 5

At equilibrium, the forward reaction rate is greater thanless than✔ equal to the reverse reaction rate.

Revolt · Accepted Answer

✔ equal to

Question 6

What is the correct equilibrium constant expression for this equation? 2 upper C upper o upper F subscript 2 (g) double arrow upper C upper o subscript 2 (g) plus upper C upper F subscript 4 (g).

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3210-09-08-10-11-task/mc001-3.jpg

Question 7

What is the correct equilibrium constant expression for this equation? 2 upper C l subscript 2 (g) plus 2 upper H subscript 2 upper O (g) double arrow 4 upper H upper C l (g) plus upper O subscript 2 (g).

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3210-09-08-10-11-task/mc002-4.jpg

Reversible Reactions and Equilibrium Answers

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