Which are examples of dynamic equilibrium? Check all that apply.
Answer
A
A cooking pot left under a dripping faucet eventually fills with water and overflows.
B
A person's bank account balance remains constant because income and expenses are equal.
C
When a small amount of sugar is added to pure water, the sugar dissolves completely.
D
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.
E
Sodium moves between many different compounds during chemical reactions on Earth, but the total amount of sodium on Earth is constant.