A certain amount of gas is trapped in a nonrigid container at atmospheric pressure. If the container is cooled and the gas in the container remains at atmospheric pressure, what will happen?
•A.
The number of moles of gas will decrease.
• B.
The number of moles of gas will increase.
• C.
The temperature of the gas will increase.
The volume of the container will decrease.
• E.
The volume of the container will increase.

Malik formed a hypothesis that an increase in atmospheric oxygen levels by 10% would cause red-legged grasshoppers to grow larger than normal. suppose that malik performs an experiment to test his hypothesis. which of these actions would represent a scientific mistake in his experiment? a. he experiments on live grasshoppers instead of preserved ones. b. he focuses on red-legged grasshoppers instead of all kinds of grasshoppers. c. he varies the nitrogen and carbon dioxide levels in the air from one trial to the next. d. he conducts the experiment in a controlled lab setting with a lab partner. e. he measures the mass and length of his specimens at the start of each trial.