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Chemistry
10th -
11thgrade
Temperature and Particle Velocity Gizmo Quiz
5 questions
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- 1. Multiple Choice
The graph above shows the velocity distribution for a gas at 400 K. Which of the following graphs correspond to the same gas at 800 K?
- 2. Multiple Choice
A high-temperature gas is compared to the same gas at lower temperature. Which of the following statements is true?
Every molecule in the high-temperature gas is moving faster than every molecule in the low-temperature gas.
The average molecular speed in the high-temperature gas is faster than the average molecular speed in the low temperature gas.
Both A and B are true.
Neither A nor B is true.
- 3. Multiple Choice
What Celsius temperature is closest to 431 K?
A. 150°C
250°C
450°C
700°C
- 4. Multiple Choice
The graph above represents the velocity distribution of helium atoms at 800 K. The molar mass of helium gas is 4.009 g/mole. The molar mass of nitrogen gas is 28.014 g/mole. Which of the following graphs represents the velocity distribution of nitrogen molecules at 800 K?
- 5. Multiple Choice
The formula for Kinetic energy is KE = 1/2 mv2. How does raising the temperature of a gas affect the gases mass and velocity?
mass goes up, velocity goes up
mass goes down, velocity goes up
mass is unchanged, velocity goes up
mass is unchanged, velocity goes down
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