Absolute Temperature and Ideal Gas Equation

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Absolute Temperature and Ideal Gas Equation: Overview

This topic covers concepts such as Boyle's law, Charles' law, equation of state for ideal gas, triple point, and absolute zero temperature.

Important Questions on Absolute Temperature and Ideal Gas Equation

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600 c.c. of a gas at a pressure of 750 mm is compressed to 500 c.c. Taking the temperature to remain constant, the increase in pressure, is

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Under what conditions will a pure sample of an ideal gas not only exhibit a pressure of 1 atm but also a concentration of 1 mole L-1?

(R=0.082 L  atmmol1deg1)

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Select one correct statement. In the gas equation, PV = nRT

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The temperature shift of 12 l hydrogen gas in a 20 l container is 100 K to 220 K. The gas expanded without any external heat gain or lose, the initial pressure was 12 atm, what will be the pressure at that gas in 220 K?

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An air bubble of volume 1 cm3 rises from the bottom of a lake 40 m deep to the surface at a temperature of 12°C. The atmospheric pressure is  1×105 Pa, the density of water is 1000 kg m-3 and g=10 m s-2. There is no difference of the temperature of water at the depth of 40 m and on the surface. The volume of air bubble when it reaches the surface will be

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In the given PV diagram, where P and V are pressure and volume of an ideal gas respectively. Then

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Temperature of n moles of an ideal gas is increased from T0 to 2T0 through a process P=αT2(α is +ve constant). Find the work done by gas.

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An air bubble having volume 1 cm3 at depth 40 m inside water comes to surface. What will be the volume of the bubble at the surface?

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In rising from the bottom of a lake, to the top, the temperature of an air bubble remains unchanged, but its diameter gets doubled. If h is the barometric height (expressed in m of mercury of relative density ρ) at the surface of the lake, the depth of the lake is

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At 273 K the density of a gaseous oxide at 2 bar is the same as that of nitrogen (Atomic mass =14u) at 5 bar. Calculate the molar mass of the oxide

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What is the work done by 0.2 mole of a gas at room temperature to double its volume during isobaric process? (Take, R=2 cal mol-1 C-1)

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The figure shows P-V diagram for a given mass of an ideal gas for the process 12. During this process temperature of the gas 

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Given PT ,on increasing the value of T by 1°C, the value of P increases by 0.4%, then find initial value of T :-

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When an air bubble of radius r rises from the bottom to the surface of a lake, its radius becomes 5r4. Taking the atmospheric pressure to be equal to 10 m height of water column, the depth of the lake would approximately be (ignore the surface tension and the effect of temperature)

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One mole of an ideal monoatomic gas is taken at a temperature of 300 K. Its volume is doubled keeping its pressure constant. Find the change in internal energy. 

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What is Boyle law explain in detail?

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Two flasks R and S of volume V1 and V2 contain same gas at pressure P1 and P2 respectively at the same temperature. Pressure of the gas when the flasks R and S are connected by a tube of negligible volume is

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Statement (I) : Gas thermometers are less sensitive than liquid thermometers.

Statement (II) : The ratio of universal gas constant and avagadro's number is called Boltzman's constant.

Statement (III) : The density of a given mass of a gas at constant pressure is inversely proportional to its absolute temperature.

The correct option among the following is

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Some nitrogen is held in 92.00 L tank at a pressure of 3.00 atm. The tank is connected to a 5.00 L tank that is completely empty (evacuated), and valve is opened to connect the two. Determine the total pressure in the two-tank system after the nitrogen stops flowing. Assume that no temperature change occurs during the process.

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An empty pressure cooker of volume 10 liters contains air at atmospheric pressure 105P a and temperature of 27°C. It contains a whistle which has area of 0.1cm2 and weight of 100gm. What should be the temperature of air inside so that the whistle is just lifted up?

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