Examine the following statements made by students.
1. Pressure is directly proportioned to temperature when all other variables are held constant.
2. Pressure is directly proportioned to volume when all other variables are held constant.
3. Volume is directly proportioned to temperature when all other variables are held constant.
4. The number of moles is directly proportioned to volume when all other variables are held constant.
Which statements apply to ideal gases?
A. I and II
B. II and III
C. I and III
D. I, III, and IV
1. Pressure is directly proportioned to temperature when all other variables are held constant.
2. Pressure is directly proportioned to volume when all other variables are held constant.
3. Volume is directly proportioned to temperature when all other variables are held constant.
4. The number of moles is directly proportioned to volume when all other variables are held constant.
Which statements apply to ideal gases?
A. I and II
B. II and III
C. I and III
D. I, III, and IV
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PV = nRT.
If two variables are on opposite sides of the equation,
they will change in the same direction,
they will be directly proportional.
That makes 1, 3, and 4 correct.
If two variables are on opposite sides of the equation,
they will change in the same direction,
they will be directly proportional.
That makes 1, 3, and 4 correct.