Part A: Methane at low temperatures Methane (CH4) is a tetrahedral molecule. Determine its specific heat capacity (at constant volume) at very low temperatures. Enter the value in units of the universal gas constant R. Hint: Remember that both vibrational and rotational modes are "frozen out" at low temperatures. What does the motion of a polyatomic gas molecule look like if it cannot vibrate or rotate? Cv,low = ? Part B: Methane at moderate temperatures Determine the specific heat capacity (at constant volume) of methane at moderate temperatures.

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Part A: Methane at low temperatures
Methane (CH4) is a tetrahedral molecule. Determine its specific heat capacity (at
constant volume) at very low temperatures.
Enter the value in units of the universal gas constant R.
Hint: Remember that both vibrational and rotational modes are "frozen out" at low
temperatures. What does the motion of a polyatomic gas molecule look like if it
cannot vibrate or rotate?
Cv,low = ?
Part B: Methane at moderate temperatures
Determine the specific heat capacity (at constant volume) of methane at moderate
temperatures.
Transcribed Image Text:Part A: Methane at low temperatures Methane (CH4) is a tetrahedral molecule. Determine its specific heat capacity (at constant volume) at very low temperatures. Enter the value in units of the universal gas constant R. Hint: Remember that both vibrational and rotational modes are "frozen out" at low temperatures. What does the motion of a polyatomic gas molecule look like if it cannot vibrate or rotate? Cv,low = ? Part B: Methane at moderate temperatures Determine the specific heat capacity (at constant volume) of methane at moderate temperatures.
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