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Practice Questions



This activity contains 25 questions.

Question 1.
To the nearest degree, what is absolute zero on the Celsius scale?


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Question 2.
To the nearest degree, if room temperature is 65oF what is it in oC?


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Question 3.
To the nearest degree, if it is hot outside at 100oF what is it in oC?


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Question 4.
What is -40 oC on the Fahrenheit scale?


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Question 5.
To the nearest degree, what is absolute zero on the Fahrenheit scale?


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Question 6.
The Rankine temperature scale bears the same relationship to the Fahrenheit scale as the Kelvin does to the Celsius. To the nearest degree, what is the freezing point in Rankine?

 
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Question 7.
Temperature one is 10oC and the second temperature is 30oC. What is the average temperature in Kelvin?


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Question 8.
What is the difference in Co of the two temperatures, 35oF and 62oF?


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Question 9.
If the temperature difference in Celsius is 50oC, what is the difference in Fahrenheit?


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Question 10.
Which of the following temperatures is the highest?
T1 = 25 oC, T2 = 72 oF, T3 = 290 K, T4 = 510 R


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Question 11.
The coefficient of thermal (linear) expansion,a, for aluminum is 25 x 10-6(Co)-1. What is the change in length of a 1 meter bar if the temperature increases 30 Co?


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Question 12.
The coefficient of thermal expansion for iron is 12 x 10-6(Co)-1. Which will expand more as temperature increases, a 2 meter iron bar or a 1 meter aluminum bar?


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Question 13.
A 1 meter diameter hole is cut into an aluminum sheet and the temperature is increased by 100 Co. What is the new diameter of the hole?


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Question 14.
An aluminum hollow metal sphere with a radius of 1 meter is exposed to a 200 Fo temperature increase. What is the ratio of the new volume to the old one?


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Question 15.

The coefficient of volume expansion, beta, for Pyrex is 9 x 10-6(Co)-1 and the coefficient of thermal expansion, alpha, for ethyl alcohol is 1100 x 10-6(Co)-1. If the alcohol fills 50% of a Pyrex bottle what % will it occupy if the temperature is increased by 30 Co?

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Question 16.
If 10 moles of a gas has a gauge pressure of 2 atm and a temperature of 200 K, what is its volume?


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Question 17.
10 moles of a gas have a gauge pressure of 2 atm and a temperature of 200 K. If the temperature is doubled, what will be the new gauge pressure in atm?


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Question 18.
10 moles of a gas have a gauge pressure of 2 atm and a temperature of 200 K. If the volume of the gas is doubled and the gauge pressure dropped in half (1 atm), what is the new temperature?


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Question 19.
10 moles of a gas have a gauge pressure of 2 atm and a temperature of 200 K. How many molecules are there in the gas?


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Question 20.
10 moles of a gas have a gauge pressure of 2 atm and a temperature of 200 K. If the molecules are hydrogen (atomic mass =1.008 u), what is the mass of the gas?


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Question 21.
If temperature is measured in J/molecule (which is what it measures) instead of Kelvin, what would be the value of k, Boltzmann's constant?


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Question 22.
If temperature is measured in J/molecule (which is what it measures) instead of Kelvin and if we call the temperature scale the G scale what would be the temperature of the freezing point of water?


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Question 23.
What would be the conversion between the G scale (Question 22) and the Celsius scale?


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Question 24.
Six molecules have the speeds (in arbitrary units) of 2, 2, 4, 8, 4, 10. What is their average speed?


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Question 25.
Six molecules have the speeds (in arbitrary units) of 2, 2, 4, 8, 4, 10. What is the rms speed (to the nearest unit) of the molecules?


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