Heat is supplied to a diatomic gas at constant pressure. The ratio of Δ Q : Δ U : ΔW is :
Sahay Sir > Question Answers > Heat is supplied to a diatomic gas at constant pressure. The ratio of Δ Q : Δ U : ΔW is :
An ideal monoatomic gas goes through a cyclic process consisting two isochoric and two isobaric lines. The absolute temperature of the gas rise two times both in isochoric heating and isobaric expansion. If number of moles are three, find efficiency of cyclic process.
12
Sep
An ideal monoatomic gas goes through a cyclic process consisting two isochoric and two isobaric lines. The absolute temperature of the gas rise two times both in isochoric heating and isobaric expansion. If number of moles are three, find efficiency of cyclic process. Heat is supplied to a diatomic gas at constant pressure. The ratio [...]
A Carnot engine having a perfect gas gas the working substance is driven backwards and is used for freezing water already at 0 C. If the engine is driven by 500 W electric motor with an efficiency of 60% how long will it take to freeze 15 kg of water? The working temps of the engine are 15 C and 0 C. The system involves no energy losses. Given latent heat of ice =333×10^(3)J kg^(-1).
12
Sep
A Carnot engine having a perfect gas gas the working substance is driven backwards and is used for freezing water already at 0 C. If the engine is driven by 500 W electric motor with an efficiency of 60% how long will it take to freeze 15 kg of water? The working temps of the [...]
Two Carnot engines A and B are operated in series. The first one A receives heat at 900K and rejects it to a reservoir at T K. The second engine B receives the heat rejected by the first engine and rejects it to a heat reservoir at 400K. Calculate the value of T, when the efficiency of two engines is the same.
12
Sep
Two Carnot engines A and B are operated in series. The first one A receives heat at 900K and rejects it to a reservoir at T K. The second engine B receives the heat rejected by the first engine and rejects it to a heat reservoir at 400K. Calculate the value of T, when the [...]
Two moles of an ideal monoatomic gas are contained in a vertical cylinder of cross sectional area A as shown in the figure. The piston is frictionless and has a mass m. At a certain instant a heater starts supplying heat to the gas at a constant rate q J/s. Find the steady velocity of the piston under isobaric condition. All the boundaries are thermally insulated.
12
Sep
Two moles of an ideal monoatomic gas are contained in a vertical cylinder of cross sectional area A as shown in the figure. The piston is frictionless and has a mass m. At a certain instant a heater starts supplying heat to the gas at a constant rate q J/s. Find the steady velocity of [...]
A diatomic ideal gas is heated at constant at constant volume until the pressure is doubled and again heated of constant pressure until the volume is doubled. The average molar heat capacity for the whole process is
12
Sep
A diatomic ideal gas is heated at constant at constant volume until the pressure is doubled and again heated of constant pressure until the volume is doubled. The average molar heat capacity for the whole process is /div> Heat is supplied to a diatomic gas at constant pressure. The ratio of Δ Q : Δ [...]
A ring shaped tube contains two ideal gases with equal masses and molecular weight M1 = 32 and M2 = 28. The gases are separated by one fixed partition P and another movable conducting partition S which can move freely without friction inside the ring. The angle α as shown in the figure is:
12
Sep
A ring shaped tube contains two ideal gases with equal masses and molecular weight M1 = 32 and M2 = 28. The gases are separated by one fixed partition P and another movable conducting partition S which can move freely without friction inside the ring. The angle α as shown in the figure is: Heat [...]
In a Carnot engine , the temperature of the reservoir is 927 C and that of sink is 127 C . If the work done by the engine when it transfers heat from the reservoir to sink is 12.6 x 10^6 J . the quantity of heat absorbed by the engine from the reservoir is
12
Sep
In a Carnot engine , the temperature of the reservoir is 927 C and that of sink is 127 C . If the work done by the engine when it transfers heat from the reservoir to sink is 12.6 x 10^6 J . the quantity of heat absorbed by the engine from the reservoir is [...]
A quantity of a substance in a closed system is made to undergo a reversible process from an initial volume of 3 m^(3) and initial pressure 10^(5) N/m^(2) to a final volume of 5m^(3). If the pressure is proportional to the square of the volume (i.e,P=AV^(2)), the work done by the substance will be
12
Sep
A quantity of a substance in a closed system is made to undergo a reversible process from an initial volume of 3 m^(3) and initial pressure 10^(5) N/m^(2) to a final volume of 5m^(3). If the pressure is proportional to the square of the volume (i.e,P=AV^(2)), the work done by the substance will be Heat [...]
A given mass of a gas is compressed isothermally until its pressure is doubled. It is then allowed to expand adiabatically until its original volume is restored and its pressure is then found to be 0.75 of its initial pressure. The ratio of the specific heats of the gas is approximately
12
Sep
A given mass of a gas is compressed isothermally until its pressure is doubled. It is then allowed to expand adiabatically until its original volume is restored and its pressure is then found to be 0.75 of its initial pressure. The ratio of the specific heats of the gas is approximately Heat is supplied to [...]
An ideal gas at pressure P and volume V is expanded to volume 2V. Column I represents the thermodynamic processes used during expansion. column II represents the work during these processes in the random order.
12
Sep
An ideal gas at pressure P and volume V is expanded to volume 2V. Column I represents the thermodynamic processes used during expansion. column II represents the work during these processes in the random order. Heat is supplied to a diatomic gas at constant pressure. The ratio of Δ Q : Δ U : ΔW [...]