For a solid with a small expansion coefficient,

1.  Cp - CV = R

2.  Cp = CV 

3.  Cp is slightly greater than CV

4.  Cp is slightly less than CV

Subtopic:  Molar Specific Heat |
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The value of Cp – CV is 1.00 R for a gas sample in state A and is 1.08 R in state B. Let pA , pB denote the pressures and TA and TB denote the temperatures of the states A and B respectively. Most likely

1.  pA < pB and TA > TB

2.  pA > pB and TA < T

3.  pA = PB and TA < TB

4.  pA > pB and TA = TB

Subtopic:  Molar Specific Heat |
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Let \(C_v\) and \(​​C_p\) denote the molar heat capacities of an ideal gas at constant volume and constant pressure, respectively. Which of the following is a universal constant?
1. \(\frac{C_p}{C_v}\)
2. \(C_pC_v\)
3. \(C_p-C_v\)
4. \(C_p+C_v\)
Subtopic:  Molar Specific Heat |
 83%
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\(70\) calories of heat is required to raise the temperature of \(2\) mole of an ideal gas at constant pressure from \(30^\circ~\mathrm{C}\) to \(35^\circ~\mathrm{C}.\) The amount of heat required to raise the temperature of the same gas through the same range at constant volume is:
1. \(30\) calories
2. \(50\) calories
3. \(70\) calories
4. \(90\) calories

Subtopic:  Molar Specific Heat |
 66%
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The figure shows a process on a gas in which pressure and volume both change. The molar heat capacity for this process is C.

          

1.   C = 0

2.   C = C

3.   C > CV

4.   C < CV

Subtopic:  Molar Specific Heat |
 63%
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The molar heat capacity for the process shown in the following figure is:
  

1.  C = Cp

2.  C = C

3.  C > CV

4.  C =0

Subtopic:  Molar Specific Heat |
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In an isothermal process on an ideal gas, the pressure increases by 0.5%. The volume decreases by about

1.  0.25%

2.  0.5%

3.  0.7%

4.  1%.

Subtopic:  Types of Processes |
 74%
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In an adiabatic process on a gas with y = 1.4, the pressure is increased by 0.5%. The volume decreases by about

1.  0.36%

2.  0.5%

3.  0.7%

4.  1%.

Subtopic:  Types of Processes |
 56%
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Two samples A and B are initially kept in the same state. The sample A is expanded through an adiabatic process and the sample B through an isothermal process. The final volumes of the samples are the same. The final pressures in A and B are pA and pB respectively.

1.  PA > PB

2.  PA = PB

3.  PA < PB

4.  The relation between pA and pB cannot be deduced.

Subtopic:  Types of Processes |
 61%
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Let Ta and Tb be the final temperatures of the samples A and B respectively in the previous question.

1.  Ta < Tb

2.  Ta = Tb

3.  Ta > Tb

4.  The relation between Ta and Tb cannot be deduced.
Previous Question: Two samples A and B are initially kept in the same state. The sample A is expanded through an adiabatic process and the sample B through an isothermal process. The final volumes of the samples are the same.

Subtopic:  Types of Processes |
 62%
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