Question

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

A cooking pot left under a dripping faucet eventually fills with water and overflows.

A person's bank account balance remains constant because income and expenses are equal.

When a small amount of sugar is added to pure water, the sugar dissolves completely.

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.

Answer 1

B, D, E 
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.

Answer 2

B, D. and E are correct