A 20.0-L tank contains 4.86 X 104 kg of helium at 18.0°C The molar mass of helium is 4.00 g/mol. (1) How many moles of helium are in the tank?

Q: The density of helium gas at 0°C is p. = 0.179 kg/m3. The temperature is then raised to T = 95°C,…

A: Helium is an ideal gas.  The ideal gas equation is: Pv=nRTP=Absolute pressurev=Volumen=Number of…

Q: A 380-mL spherical flask contains 0.065 mol of an ideal gas ata temperature of 283 K. What is the…

A: Write the ideal gas equation, and solve it as follows. pV=NkTpV=NkTpN=kTV

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: An 18.0 L container holds 16.0 g of oxygen gas (O2) at 45.0 °C. (a) Look up the molar mass of oxygen…

A: One mole of oxygen gas O2 weighs 32.0 g. Thus, 1 g of O2 contains 132 mole. Thus, 16 g of O2…

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: An ideal gas has initial volume of 0.550 m3 and pressure of 9.65 x 104 Pa. (a) If the initial…

A: Volume, V = 0.550 m³ Pressure, P1 = 9.65×10⁴ Pa Initial temperature, T1 = 281 K Final temperature,…

Q: A spherical balloon of volume 4.00 × 103 cm3 contains helium at a pressure of 1.20 × 105 Pa. How…

A: The expression for the required amount of moles of helium,

Q: Gold has a molar mass of 197 g/mol. (a) How many moles of gold are in a 3.30 g sample of pure gold?…

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Q: An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their…

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Q: Gas is contained in a 6.00-L vessel at a temperature of 18.0°C and a pressure of 8.00 atm. (a)…

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Q: 10²⁰ molecules of an ideal gas strike a wall for one second at an angle of 30° against the normal…

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Q: A room with dimensions 7.00 m x 8.00 m x 2.50 m is filled with pure oxygen at 22.00C and 1.00 atm.…

A: Given data *The volume of the room is V = 7.00 m x 8.00 m x 2.50 m = 140 m3 *The given pressure is P…

Q: A spherical balloon of volume 3.90 x 10³ cm³ contains helium at a pressure of 1.17 x 105 Pa. How…

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Q: A balloon contains 3.0 moles of helium gas at normal atmospheric pressure (Patm = 101 KPa) and room…

A: Concept used: The process in which temperature remains constant is called isothermal process.  Ideal…

Q: A container with 24 L of nitrogen gas at 2 atm and another container with 12 L of oxygen gas at 2…

A: The number of moles of nitrogen and and oxygen are given by nnitrogen=PVnitrogenRTnoxygen=PVoxygenRT

Q: How many moles are in a 1.00 kg bottle of water? How many molecules? The molar mass of water is 18.0…

A: Given data: Mass of water in bottle is, m=1 kg. Molar mass of water is, M=18.0 g/mol =18×10-3…

Q: A spherical balloon of volume 4000 cm3 contains helium at an (inside) pressure of 1.20 x 105 Pa. How…

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Q: The density of helium gas at 0°C is ?0 = 0.179 kg/m3. The temperature is then raised to T = 100°C,…

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Q: A high-pressure gas cylinder contains 50.0 L of toxic gas at a pressure of 1.55 × 107 Pa and a…

A: Given: Volume of the cylinder V=50.0 L = 0.0500 m3 Initial pressure p1 =1.55×107 Pa Initial…

Q: Two moles of nitrogen gas are contained in an enclosed cylinder with a movable piston at a…

A: From ideal gas equation, the expression for the new pressure is, P1n1=P2n2P2=P1n2n1

Q: A 20.0-L tank contains 4.86 × 10-4 kg of helium at 18.0°C. The molar mass of helium is 4.00g/mol.…

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Q: a Gas is contained in a 6.00-L vessel at a temperature of 28.0°C and a pressure of 6.00 atm. (a)…

A: Given. V = 6 L T = 28°C = 301 K P = 6 atm

Q: The density of helium gas at 0°C is po = 0.179 kg/m³. The temperature is then raised to T = 160°C,…

A: Density is the ratio of the mass to the volume of the gas. The density of the gas is depends on the…

Q: Helium has 4 gram/mole mass. There is a helium storage container that has 38 kg of the gas at 273 K…

A: molar mass = 4 gram/mole = 4 x 10-3 kg/mole m' = 38 kg T = 273 K P' = 1.013 x 105 N/m2 R = 8.314…

Q: A spherical balloon of volume 4.05  103 cm3 contains helium at a pressure of 1.23  105 Pa. How many…

A: It is given that,

Q: (a) How many molecules are present in a sample of an ideal gas that occupies a volume of 1.90 cm³,…

A: This question is based on Thermal properties of matter topic. Ideal gas equation gives a relation…

Q: A spherical balloon of volume 4.07 x 10 cm³ contains helium at a pressure of 1.21 X 10° Pa. How many…

A: Given: The volume of the gas is 4.07x103 cm3. The pressure of the gas is 1.21x105 Pa. The average…

Q: Below the surface of the sea water where the pressure is P=2.45x10^5 Pa and the temperature i 5C, a…

A: Write the ideal gas equation

Q: An industrial firm supplies compressed air cylinders of volume 0.25 m3 filled to a pressure of…

A: Given data The volume of the gas is V=0.25 m3 The pressure is P=20×106 Pa The temperature is T=17 oC…

Q: Gas is contained in a 6.00-L vessel at a temperature of 18.0°C and a pressure of 8.00 atm. (a)…

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Q: Gold has a molar mass of 197 g/mol. (a) How many moles of gold are in a 2.50 g sample of pure gold?…

A: The molar mass of gold,

Q: A 20.0 L tank contains 4.86 * 10-4 kg of helium at 18.0C. The molar mass of helium is 4.00 g/mol.…

A: