A closed gas system initially has volume and temperature of 4360mL and 646.0C with the pressure unknown. If the same closed system has values of 0.689atm, 7670mL and 619K, what was the initial pressure in torr?

Q: The combined gas law states that for a fixed amount of gas, the quantity PVIT is constant. This is…

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Q: What is the volume of a gas that contains 21 moles, a pressure of 78 kpa and a temperature of 900 K?

A: Volume of the gas, V =? Moles of the gas, n = 21 mol Pressure of the gas, P = 78 kPa Temperature of…

Q: 1. The pressure on 2.50L of an enclosed gas changes from 105kPa to 40.5kPa. If the temperature…

A: Initially : Pressure, P1 = 105 kPa Volume, V1 = 2.50 L   Finally : Pressure, P2 = 40.5 kPa Volume,…

Q: What is the total pressure (atm) for a mixture of 0.0524 mol N2, 0.0436 mol O2, and 0.0108 mol Ar in…

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Q: 341 L of a gas at 10oC are under 309 kPa of pressure. If the pressure is changed to 611 kPa and the…

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Q: A gas occupies 17 L at a pressure of 102.3 kPa and 299 K. If the gas is cooled to 250 K and the…

A: For the phase change of the ideal gas the temperature, pressure, and volume of the initial state and…

Q: suppose that 2.96 moles of heluim gas occupies a 73.3L tank what temp will the pressure in the tank…

A: Given, moles of helium gas = 2.96 mol            volume = 73.3 L            pressure = 550 mm Hg =…

Q: A chamber contains equal molar amounts of He, Ne, Ar, and Kr. If the total chamber pressure is 1…

A: Given: Total pressure of the chamber is 1 atm And moles of all gases are equal.

Q: Cyanogen, a highly toxic gas, is composed of 46.2% C and 53.8% N by mass. At 25 degrees C and 751…

A: Given:Mass percent composition of carbon is 46.2%.Mass percent composition of nitrogen is 53.8%. The…

Q: Calculate the molar mass of an unknown gas that has a mass of 4.55g, exerts a pressure of 2.55atm,…

A: We are given gas having the mass of 4.55 gram and  it exerts a pressure of 2.55 atm and occupies a…

Q: At standard pressure, a container is filled until the volume reaches 363 mL at a temperature 35.2ºC.…

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Q: 29 mL of a gas are collected over water at 740 mm Hg and 293 K. If the vapor pressure of water at…

A: Ideal gas equation PV=nRT P is pressure. V is volume. n is number of moles. R is gas constant. T is…

Q: What is the pressure of gas that initially was at 32.0psi, when the temperature changed to 750K from…

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Q: A gas with a volume of 3.50L at a pressure of 200kPa is allowed to expand to 14.0L. If the…

A: Pressure of gas = P1 = 200 kPaInitial  Volume = V1 = 3.5 LFinal Volume = V2 = 14.0 LTemprerature…

Q: What is the volume of 2.3 moles of a gas kept at 13.9 psi, and standard temperature?

A: The ideal gas equation is given as:

Q: Under a pressure of 862 kPa, a gas has a volume of 752 mL. The pressure is increased, without…

A: As the concentration of the gas and the temperature of the system remains constant, Boyle's law can…

Q: A 0.593g sample of gas has a volume of 115 mL at 53.2 ∘C and 94.0 kPa. What is the molar mass of…

A: Use ideal gas equation:

Q: A mixture contains O2 at 700. torr pressure, F2 at 900. torr pressure, and Cl2 at 400. torr…

A: Given that, Pressure of O2=700 torr pressure of F2=900 torr pressure of Cl2=400torr then,

Q: A mixture contains O2 at 700. torr pressure, F2 at 900. torr pressure, and Cl2 at 800. torr…

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Q: A sample of an unknown gas weighing 10.9 g occupies a 25.585 L container at a pressure of 0.694 atm…

A: Given a sample of gas,mass of gas =10.9 gvolume of gas =25.585 Lpressure of gas =0.694 atmand…

Q: If a 24.0L volume of gas at 24.4°C and 254kPa has its pressure increased by 75% and the temperature…

A: Given that,  Initial volume gas V1 = 24.0 L Initial temperature of gas T1 = 24.4°C = 297.4 K Initial…

Q: An unknown gas at 61.1 C and 1.05 atm has a molar mass of 30.07 /mol. Assuming ideal behavior, what…

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Q: A sample of ideal gas at room temperature occupies a volume of 40.0 L at a pressure of 442 torr . If…

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Q: A gas sample containing 0.6838 moles is trapped in a chamber with a volume of 7.557 liters.  If the…

A: n = 0.6838 molV = 7.557 LT = 298.17 K

Q: A sample of He occupies a volume of 322 mL at 149.2 kPa. What volume in ml would the gas occupy if…

A: Boyle's gas law states that pressure of gas is inversely proportional to the volume of gas.

Q: What pressure is exerted by 0.450 mol of a gas at 25oC if the gas is in a 0.650-L container?

A: The solution is as follows :

Q: A sample of gas at 879.6 mmHg and occupying a volume of 14.39 L is transferred to a large container…

A: The given data: The initial pressure of the gas = 879.6 mmHg 1 mmHg = 0.133322 kPa 879.6 mmHg =…

Q: 2.50 moles of a gas occupies a volume of 65.5 L at 67.0 kPa; what is the temperature of the gas?

A: We are given :- Moles = 2.5 Volume = 65.5 L Pressure = 67 Kpa = 0.661239 atm  Since 1Kpa = 0.009869…

Q: For a gas sample whose total pressure is 740 torr, what are the partial pressures if the moles of…

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Q: At what temperature does 0.038665 moles of Ne in a 892.6 mL container exert a pressure of 0.767 atm?…

A: Use ideal gas law to find out the temperature. Convert the volume in liters. 892.6 mL = 0.8926 L

Q: A gas that has a volume of 28 liters, a temperature of 45 °C, and an unknown pressure has its volume…

A: The combined gas law gives a relationship between pressure, volume, and temperature which can help…

Q: A mixture contains O2 at 700. torr pressure, F2 at 600. torr pressure, and Cl2 at 400. torr…

A: Given that, PO2=700 torr, PF2=600 torr PCl2=400 torr

Q: A gas occupies 17 L at a pressure of 102.3 kPa and 299 K. If the gas is cooled to 250 K and the…

A: given, initial volume = 17 L initial temperature = 299 K initial pressure = 102.3 kpa final pressure…

Q: The density of a gas is found to be 1.45 g/L at 27° C and 0.900 atm. What is the molar mass of the…

A: The molar mass of the gas can be find using the formula.

Q: How many moles of an ideal gas are there if the volume of the gas is 158 L at 14°C and a pressure of…

A: Given :-  Volume of gas = 158 L  Temperature = 14°C  Pressure = 89 kPa  To calculate :-  Number of…

Q: A 1.007 g sample of an unknown gas exerts a pressure of 715 mmHg in a 452 mL container at 23 ̊C.…

A: Given :  Mass of gas = 1.007 g  Pressure = 715 mm Hg  Volume = 452 mL  Temperature = 23°C  To…

Q: A reaction occurs, producing an oxide of nitrogen as a gas. the gas has a mass of 1.211g and…

A: Given that -  Mass of the oxide of Nitrogen gas = 1.211 g  Volume = 677 mL = 677/1000 L = 0.677 L…

Q: 9. How many moles of gas is present if at 400K, its pressure is 1Mpa(1000kpa), and its volume is…

A: The mole of given gas is find out by using ideal gas equation. Formula: PV = nRT The full…

Q: An inflated balloon with a volume of 1,393.7 cm is squeezed to half its original volume. If the…

A: There are different types of the gas laws which shows the relation between the different measuring…

Q: A sample of 1.00 moles of oxygen gas at 50C and 98.6 kPa occupies what volume?

A: a gas is said to be ideal gas if it follows the equation PV = nRT

Q: A gas sample with a mass of 11.2 g exerts a pressure of 1.05 atm at 22.0ºC and a volume of 2.79 L.…

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Q: How many moles of an ideal gas are in a 1,592.8 mL container at 25.3°C and 731.8 torr?

A: The number of moles has to be calculated,

Q: We want to change the volume of a fixed amount of gas from 740 mL to 2.15 L while holding the…

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Q: What is the molar mass of a gas if 0.282 g of the gas occupies a volume of 250 mL at a temperature…

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Q: If a sample of gas in a container of fixed volume is initially at 28.5 °C and 635 torr, what will…

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Q: The combined gas law states that for a fixed amount of gas, the quantity PVIT is constant. This is…

A: A gas is said to be ideal if it follows ideal gas equation PV = nRT

Q: A cylinder with a moveable piston contains 0.553 mol of gas and has a volume of 253 mL. What is its…

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Q: What is the temperature inside of 3.0mL container when there are 0.56 moles of a gas at 0.75atm?

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Q: How many moles of gas would be found in a container of 22.4L at a pressure of 760.0torr and 0.00C

A: Given,  Volume of the gas in L = V = 22.4 L  Pressure in torr = P = 760.0 torr  Temperature in 0C =…