A cylinder filled with hydrogen at 500 K exerts a pressure of a 4 atmosphere. If hydrogen is replaced by equal mass of helium at the same temperature what will be the relative number of molecules of hydrogen and helium?

Q: (a) How many molecules are present in a sample of an ideal gas that occupies a volume of 2.70 cm³,…

A: Volume, V=2.7cm3=2.7×10-6m3 Temperature, T=20oC=(20+273)K=293K

Q: (b) What is the average kinetic energy of the helium atoms? J (c) What is the rms speed of the…

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Q: The work done in changing volume of a gas from 1.5 m' to 6.7 m' in an isobaric process (at constant…

A: SOlution: Given that V1 = 1.5 m3 V2 = 6.7 m3 Q = 10.5x105 J

Q: A cubic container of volume 2.00 L holds 0.500 mol of nitrogen gas at a temperature of 25oC. What…

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Q: Hydrogen and neon gases are mixed in a container at 220 K. What is the ratio of the hydrogen gas’…

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Q: The pressure of an ideal gas is reduced by 50%,resulting in a decrease in temperature to 75% of the…

A: Let P be the initial pressure and T be the initial temperature.  When pressure reduced by 50% then…

Q: A metal tank with volume 3.10 L will burst if the absolute pressure of the gas it contains exceeds…

A: We are aware that the metal tank has a 3.10 L capacity, a 100 atm absolute gas pressure, 11 mol of…

Q: Air molecules (average molar mass 29 g/mol) have a temperature of 300 K. What is the ratio of the…

A: Given: Air molecules Molar mass M = 29g/mol Temperature T = 300K

Q: a) How many atoms of helium gas fill a balloon of diameter 30.0cm at 20.0oC and 1.00atm? b) What…

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Q: (a) An ideal gas occupies a volume of 1.8 cm3 at 20°C and atmospheric pressure. Determine the number…

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Q: a) What is the volume of the bubble at the surface? b) What is the root mean square speed of…

A: Boyle's Law Keeping the temperature constant, the volume occupied by a gas is inversely proportional…

Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.2 cm at 19.0°C and 1.00…

A: Given that,  Diameter of Spherical balloon, D = 30.2 cm => D = 0.302 m Radius of Spherical…

Q: ygen molecules (considered an ideal gas) occur at a pressure P0 and have volume V0. What Should be…

A: Given:- Oxygen molecules (considered an ideal gas) occur at a pressure P0 and have volume V0 the…

Q: There are 1.5 times as many molecules as Avogadro's number at a temperature of 1.7°C inside a sealed…

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Q: A spherical balloon of volume 4.01 x 10° cm contains helium at a pressure of 1.25 x 105 Pa. How many…

A: SOlution: Given that V = 4.01x103 cm3 P = 1.25x105 Pa KE = 3.6x10-22 J

Q: If a volume of mercury at 0oC is 2.4cm3, and the coefficient of volume expansion (α) of mercury is…

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Q: Suppose the temperature of a normal gas doubles while its density remains the same. What happens to…

A: An ideal gas is a theoretical gas made of a large number of point particles which does not have any…

Q: Suppose that an ideal gas in a sealed metal container (so it has a fixed volume) has its temperature…

A: Given data:  An ideal gas The volume of gas is fixed New temperature (T2) = 4.80 × T1 Required: The…

Q: An air bubble released by a deep-water diver, 120 m below the surface of a lake, has a volume of…

A: The solution is given below

Q: (a) An ideal gas occupies a volume of 2.4 cm3 at 20°C and atmospheric pressure. Determine the number…

A: GIVEN Volume of the ideal gas = 2.4 cm3  at 200C To find out the no of molecules of the gas in the…

Q: In a helium gas, determine the percentage of particles that have a speed between 200 m/s and 400 m/s…

A: The rms speed formula for a gas particle is: v(rms) = sqrt(3kT/m) where: k = Boltzmann constant =…

Q: If you cool an ideal gas, such that the the absolute temperature of gas is reduced by half, then the…

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Q: If the quantity of helium in a weather ballon is increased by a factor of 5 at constant pressure at…

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Q: Consider a system of two levels E1= 0, g1= 1 and E2= 1.6 X102ºJ, g2 = 2 is populated by N atoms at…

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Q: At what temperature are helium gas atoms the same effective speed as hydrogen gas molecules at 20 °…

A: Given data The temperature of the hydrogen gas is TH=20oC   The effective speed of the hydrogen gas…

Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 29.6 cm at 16.0°C and 1.00…

A: Diameter of spherical balloon, d= 29.6 cmTemperature,T= 16০ cPressure,P= 1 atm(a)Volume of the…

Q: What is the average kinetic energy of a gas at room temperature (295 K)? (It's not the temperature,…

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Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 23.0°C and 1.00…

A: The volume of the spherical balloon is

Q: A nitrogen molecule at the surface of earth happens to have the rms speed for that gas at 0°C. If it…

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Q: A container contains a certain amount of oxygen gas at a temperature of 300 K. The average speed of…

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Q: How many atoms of helium gas fill a spherical balloon of diameter 31.0 cm at 19.0°C and 1.00 atm?…

A: (a) Volume of the spherical balloon is V=43πr3=43πd23=16πd3=16π31.0×10-2 m3=0.0155985 m3 The number…

Q: (a) How many molecules are present in a sample of an ideal gas that occupies a volume of 3.00 cm3,…

A: Given, Volume of the gas molecules, V = 3.00 cm3 Temperature of the gas,  at atmospheric pressure, P…

Q: The mean kinetic energy of one mole of gas per degree of freedom (on the basis of a kinetic theory…

A: Introduction: The kinetic theory of gases assumes that the molecules are very small relative to the…

Q: Suppose that an ideal gas in a sealed metal container (so it has a fixed volume) has its temperature…

A: ideal gas in sealed container volume is fixed that is volume =constant ideal gas equation is  PV=nRT…

Q: When the number density of gas molecules increases, there is a decrease in their mean free path.

A: The average distance between two successive collisions is the mean free path . it is denoted by l.

Q: A solid, at high temperature, has a specific heat at constant pressure of cp = 390 J kg¯¹K¯¹.…

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