((a bottle which had all the air taken out of its container)) a student used the following apparatus to test a hypothesis that 'the pressure of the gas is directly proportional to its temperature.'

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

What do you think car designers do if the damage caused by a crash test is too severe?