- [Easy]Two identical samples of the same ideal gas are kept at the same temperature but stored at very different pressures in separate containers, so how do ...
- [Easy]A heat pump uses 200 J of work to deliver a total of 800 J of heat into a warm room during each operating cycle, so how much heat does it extract from...
- [Hard]On a pressure-volume diagram an isothermal curve and an adiabatic curve pass through the same point for an ideal gas, so how do their slopes compare a...
- [Hard]When 2 moles of a monatomic ideal gas are heated at constant pressure causing a temperature rise of 50 K, so how much heat must be supplied? Take R = ...
- [Easy]A balloon suddenly bursts and the compressed gas inside rushes out into the open atmosphere very rapidly, so how should this free expansion process be...
- [Hard]Two moles of an ideal gas expand isothermally at 300 K from a volume V to a volume 2V in a slow reversible manner, so what is the work done by the gas...
- [Medium]A gas is taken around a complete thermodynamic cycle and returns to its original state after several processes, so what is the net change in its inter...
- [Medium]For a diatomic ideal gas the molar specific heat at constant volume is 5R/2, so what is the value of its ratio of specific heats gamma?...
- [Easy]Heat of 400 J is supplied to a gas sealed inside a rigid steel container whose volume cannot change, so what is the work done by the gas?...
- [Easy]One mole of an ideal gas is compressed isothermally at temperature 300 K, so what happens to its internal energy during this slow compression process?...
- [Medium]An ideal gas expands at a constant pressure of 2 × 10^5 Pa, increasing its volume from 0.01 m^3 to 0.03 m^3, so how much work does the gas do?...
- [Medium]A gas confined in a perfectly insulated cylinder is suddenly compressed by a fast-moving piston, so what is the most accurate description of this ther...
- [Hard]A monatomic ideal gas with gamma equal to 5/3 expands adiabatically until its volume becomes 8 times the initial value, so what is the ratio of final ...
- [Easy]A heat engine absorbs 1000 J of heat from a hot reservoir and rejects 600 J to the cold reservoir in each cycle, so what is the efficiency of this eng...
- [Medium]A Carnot engine operates between a source at 600 K and a sink at 300 K while drawing heat from the hot source, so what is its maximum theoretical effi...
- [Medium]The efficiency of a Carnot engine is 40 percent when the sink temperature is 300 K, so to what temperature must the source be raised to increase the e...
- [Medium]A refrigerator extracts 360 J of heat from its cold interior while the compressor consumes 90 J of electrical work per cycle, so what is its coefficie...
- [Medium]A student claims to have built an engine that takes heat from a single reservoir and converts all of it completely into work each cycle, so which stat...
- [Easy]A gas in a cylinder absorbs 500 J of heat while the gas does 200 J of work in pushing a piston outward, so by how much does its internal energy change...
- [Easy]Three metal blocks P, Q and R are kept in contact such that P is in equilibrium with Q and Q is in equilibrium with R, so what can be concluded about ...
- [Medium]Final temperature when 0.2 kg water at 80°C mixed with 0.3 kg water at 20°C (no loss)?...
- [Medium]Work done by n moles ideal gas expanding isothermally from V1 to V2 at temperature T?...
- [Easy]Carnot engine between 500 K and 300 K efficiency?...
- [Easy]Heat to convert 0.5 kg of ice at 0°C to water at 0°C (L_f = 3.3×10⁺5 J/kg)?...
- [Easy]Entropy is a measure of?...
- [Easy]Specific heat is defined as heat required to raise temperature of unit mass by?...
- [Easy]Heat flow rate through rod of area A, conductivity k, length L, temperature difference ΔT?...
- [Medium]Work in a PV diagram for expansion equals?...
- [Easy]Ratio γ = Cp/Cv for monatomic ideal gas equals?...
- [Hard]Kelvin-Planck statement forbids a heat engine that?...
- [Easy]Zeroth law of thermodynamics establishes the concept of?...
- [Medium]For adiabatic compression of ideal gas, which remains constant?...
- [Easy]For ideal gas, Cp - Cv equals?...
- [Easy]In first law ΔU = Q - W, W is taken positive when?...
- [Medium]Internal energy of 3 moles of a monatomic ideal gas at 400 K? (R = 8.3 J/mol·K)...