First Law of Thermodynamics
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CHXI06:THERMODYNAMICS

369364 Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be

1 Infinite
2 3 joules
3 9 joules
4 zero
CHXI06:THERMODYNAMICS

369365 Temperature of 5 moles of a gas is decreased by \(2 \mathrm{~K}\) at constant pressure. Indicate the correct statement

1 Work done by gas is \( = 5{\rm{R}}\)
2 Work done over the gas is \( = 10{\rm{R}}\)
3 Work done by the gas \( = 10{\rm{R}}\)
4 Work done \( = 0\)
CHXI06:THERMODYNAMICS

369366 When certain volume of gas expands against a constant external pressure of \(2.40 \times 10^{5} \mathrm{~Pa}\) at \(300 \mathrm{~K}\) to \(2.2 \times 10^{-3} \mathrm{~m}^{3}\). If the work obtained is \(-0.048 \mathrm{~kJ}\). What is the initial volume of the gas?

1 \(2 \times 10^{-3} \mathrm{~m}^{3}\)
2 \(4.5 \times 10^{-2} \mathrm{~m}^{3}\)
3 \(1.5 \times 10^{-3} \mathrm{~m}^{3}\)
4 \(2.8 \times 10^{-2} \mathrm{~m}^{3}\)
MHTCET - 2021
CHXI06:THERMODYNAMICS

369367 What is the amount of work done when two moles of ideal gas is compressed from a volume of \(\mathrm{1 \mathrm{~m}^{3}}\) to \(\mathrm{10 \mathrm{dm}^{3}}\) at \(\mathrm{300 \mathrm{~K}}\) against a pressure of \({\rm{100}}\,{\rm{k}}\,{\rm{Pa}}\) ?

1 \(\mathrm{99 \mathrm{~kJ}}\)
2 \(\mathrm{-99 \mathrm{~kJ}}\)
3 \(\mathrm{114.9 \mathrm{~kJ}}\)
4 \(\mathrm{-114.9 \mathrm{~kJ}}\)
CHXI06:THERMODYNAMICS

369368 The work done and the change in internal energy when 1 litre of ideal gas expands isothermally into vacuum until its total volume is 5 litres is, respectively

1 0, 0
2 \(\mathrm{>0, < 0}\)
3 \(\mathrm{>0,>0}\)
4 \(\mathrm{ < 0,>0}\)
NEET DIGITAL LIBRARY
CHXI06:THERMODYNAMICS

369364 Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be

1 Infinite
2 3 joules
3 9 joules
4 zero
CHXI06:THERMODYNAMICS

369365 Temperature of 5 moles of a gas is decreased by \(2 \mathrm{~K}\) at constant pressure. Indicate the correct statement

1 Work done by gas is \( = 5{\rm{R}}\)
2 Work done over the gas is \( = 10{\rm{R}}\)
3 Work done by the gas \( = 10{\rm{R}}\)
4 Work done \( = 0\)
CHXI06:THERMODYNAMICS

369366 When certain volume of gas expands against a constant external pressure of \(2.40 \times 10^{5} \mathrm{~Pa}\) at \(300 \mathrm{~K}\) to \(2.2 \times 10^{-3} \mathrm{~m}^{3}\). If the work obtained is \(-0.048 \mathrm{~kJ}\). What is the initial volume of the gas?

1 \(2 \times 10^{-3} \mathrm{~m}^{3}\)
2 \(4.5 \times 10^{-2} \mathrm{~m}^{3}\)
3 \(1.5 \times 10^{-3} \mathrm{~m}^{3}\)
4 \(2.8 \times 10^{-2} \mathrm{~m}^{3}\)
MHTCET - 2021
CHXI06:THERMODYNAMICS

369367 What is the amount of work done when two moles of ideal gas is compressed from a volume of \(\mathrm{1 \mathrm{~m}^{3}}\) to \(\mathrm{10 \mathrm{dm}^{3}}\) at \(\mathrm{300 \mathrm{~K}}\) against a pressure of \({\rm{100}}\,{\rm{k}}\,{\rm{Pa}}\) ?

1 \(\mathrm{99 \mathrm{~kJ}}\)
2 \(\mathrm{-99 \mathrm{~kJ}}\)
3 \(\mathrm{114.9 \mathrm{~kJ}}\)
4 \(\mathrm{-114.9 \mathrm{~kJ}}\)
CHXI06:THERMODYNAMICS

369368 The work done and the change in internal energy when 1 litre of ideal gas expands isothermally into vacuum until its total volume is 5 litres is, respectively

1 0, 0
2 \(\mathrm{>0, < 0}\)
3 \(\mathrm{>0,>0}\)
4 \(\mathrm{ < 0,>0}\)
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CHXI06:THERMODYNAMICS

369364 Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be

1 Infinite
2 3 joules
3 9 joules
4 zero
CHXI06:THERMODYNAMICS

369365 Temperature of 5 moles of a gas is decreased by \(2 \mathrm{~K}\) at constant pressure. Indicate the correct statement

1 Work done by gas is \( = 5{\rm{R}}\)
2 Work done over the gas is \( = 10{\rm{R}}\)
3 Work done by the gas \( = 10{\rm{R}}\)
4 Work done \( = 0\)
CHXI06:THERMODYNAMICS

369366 When certain volume of gas expands against a constant external pressure of \(2.40 \times 10^{5} \mathrm{~Pa}\) at \(300 \mathrm{~K}\) to \(2.2 \times 10^{-3} \mathrm{~m}^{3}\). If the work obtained is \(-0.048 \mathrm{~kJ}\). What is the initial volume of the gas?

1 \(2 \times 10^{-3} \mathrm{~m}^{3}\)
2 \(4.5 \times 10^{-2} \mathrm{~m}^{3}\)
3 \(1.5 \times 10^{-3} \mathrm{~m}^{3}\)
4 \(2.8 \times 10^{-2} \mathrm{~m}^{3}\)
MHTCET - 2021
CHXI06:THERMODYNAMICS

369367 What is the amount of work done when two moles of ideal gas is compressed from a volume of \(\mathrm{1 \mathrm{~m}^{3}}\) to \(\mathrm{10 \mathrm{dm}^{3}}\) at \(\mathrm{300 \mathrm{~K}}\) against a pressure of \({\rm{100}}\,{\rm{k}}\,{\rm{Pa}}\) ?

1 \(\mathrm{99 \mathrm{~kJ}}\)
2 \(\mathrm{-99 \mathrm{~kJ}}\)
3 \(\mathrm{114.9 \mathrm{~kJ}}\)
4 \(\mathrm{-114.9 \mathrm{~kJ}}\)
CHXI06:THERMODYNAMICS

369368 The work done and the change in internal energy when 1 litre of ideal gas expands isothermally into vacuum until its total volume is 5 litres is, respectively

1 0, 0
2 \(\mathrm{>0, < 0}\)
3 \(\mathrm{>0,>0}\)
4 \(\mathrm{ < 0,>0}\)
For More Updates join with Us
CHXI06:THERMODYNAMICS

369364 Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be

1 Infinite
2 3 joules
3 9 joules
4 zero
CHXI06:THERMODYNAMICS

369365 Temperature of 5 moles of a gas is decreased by \(2 \mathrm{~K}\) at constant pressure. Indicate the correct statement

1 Work done by gas is \( = 5{\rm{R}}\)
2 Work done over the gas is \( = 10{\rm{R}}\)
3 Work done by the gas \( = 10{\rm{R}}\)
4 Work done \( = 0\)
CHXI06:THERMODYNAMICS

369366 When certain volume of gas expands against a constant external pressure of \(2.40 \times 10^{5} \mathrm{~Pa}\) at \(300 \mathrm{~K}\) to \(2.2 \times 10^{-3} \mathrm{~m}^{3}\). If the work obtained is \(-0.048 \mathrm{~kJ}\). What is the initial volume of the gas?

1 \(2 \times 10^{-3} \mathrm{~m}^{3}\)
2 \(4.5 \times 10^{-2} \mathrm{~m}^{3}\)
3 \(1.5 \times 10^{-3} \mathrm{~m}^{3}\)
4 \(2.8 \times 10^{-2} \mathrm{~m}^{3}\)
MHTCET - 2021
CHXI06:THERMODYNAMICS

369367 What is the amount of work done when two moles of ideal gas is compressed from a volume of \(\mathrm{1 \mathrm{~m}^{3}}\) to \(\mathrm{10 \mathrm{dm}^{3}}\) at \(\mathrm{300 \mathrm{~K}}\) against a pressure of \({\rm{100}}\,{\rm{k}}\,{\rm{Pa}}\) ?

1 \(\mathrm{99 \mathrm{~kJ}}\)
2 \(\mathrm{-99 \mathrm{~kJ}}\)
3 \(\mathrm{114.9 \mathrm{~kJ}}\)
4 \(\mathrm{-114.9 \mathrm{~kJ}}\)
CHXI06:THERMODYNAMICS

369368 The work done and the change in internal energy when 1 litre of ideal gas expands isothermally into vacuum until its total volume is 5 litres is, respectively

1 0, 0
2 \(\mathrm{>0, < 0}\)
3 \(\mathrm{>0,>0}\)
4 \(\mathrm{ < 0,>0}\)
NEET DIGITAL LIBRARY
CHXI06:THERMODYNAMICS

369364 Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be

1 Infinite
2 3 joules
3 9 joules
4 zero
CHXI06:THERMODYNAMICS

369365 Temperature of 5 moles of a gas is decreased by \(2 \mathrm{~K}\) at constant pressure. Indicate the correct statement

1 Work done by gas is \( = 5{\rm{R}}\)
2 Work done over the gas is \( = 10{\rm{R}}\)
3 Work done by the gas \( = 10{\rm{R}}\)
4 Work done \( = 0\)
CHXI06:THERMODYNAMICS

369366 When certain volume of gas expands against a constant external pressure of \(2.40 \times 10^{5} \mathrm{~Pa}\) at \(300 \mathrm{~K}\) to \(2.2 \times 10^{-3} \mathrm{~m}^{3}\). If the work obtained is \(-0.048 \mathrm{~kJ}\). What is the initial volume of the gas?

1 \(2 \times 10^{-3} \mathrm{~m}^{3}\)
2 \(4.5 \times 10^{-2} \mathrm{~m}^{3}\)
3 \(1.5 \times 10^{-3} \mathrm{~m}^{3}\)
4 \(2.8 \times 10^{-2} \mathrm{~m}^{3}\)
MHTCET - 2021
CHXI06:THERMODYNAMICS

369367 What is the amount of work done when two moles of ideal gas is compressed from a volume of \(\mathrm{1 \mathrm{~m}^{3}}\) to \(\mathrm{10 \mathrm{dm}^{3}}\) at \(\mathrm{300 \mathrm{~K}}\) against a pressure of \({\rm{100}}\,{\rm{k}}\,{\rm{Pa}}\) ?

1 \(\mathrm{99 \mathrm{~kJ}}\)
2 \(\mathrm{-99 \mathrm{~kJ}}\)
3 \(\mathrm{114.9 \mathrm{~kJ}}\)
4 \(\mathrm{-114.9 \mathrm{~kJ}}\)
CHXI06:THERMODYNAMICS

369368 The work done and the change in internal energy when 1 litre of ideal gas expands isothermally into vacuum until its total volume is 5 litres is, respectively

1 0, 0
2 \(\mathrm{>0, < 0}\)
3 \(\mathrm{>0,>0}\)
4 \(\mathrm{ < 0,>0}\)