322 L of hydrogen occupies a volume of 197 L at STP. If the initial temperature of the hydrogen was 37° C, what was its initial pressure? A sample of oxygen has a volume of 26.7 L at 762 Torr. What is the new volume if, with the temperature and amount of gas held constant, the pressure is (a) lowered to 385 Torr; (b) increased to 3.58 atm?

Q: A 92.5 mL sample of hydrogen gas is collected over water at 25 °C and 767 mm Hg. If the vapor…

A: Given data: Volume of gas collected (V1) = 92.5 mL Temperature = 25o C = 298 K Pressure of H2 gas…

Q: Two samples of gas are separated in two rectangular 1.00 -L chambers by a thin metal wall. One…

A: Given: Volume = 1.00 L = 0.001 m3 Temperature =27oC = 27+273K = 300 K Pressure= 2.00 x 10-6 atm…

Q: A) A sample of ideal gas at room temperature occupies a volume of 40.0 L at a pressure of 542 torr .…

A: Boyle’ law states that at a particular temperature and number of moles, the pressure of a gas is…

Q: Calculate the pressure exerted by 0.5200 mole of N2 in a 1.0000-L container at 25.0°C. (The gas…

A: 1. From the ideal gas -

Q: A steel cylinder of compressed argon with a volume of 0.400 L was filled to a pressure of 145 atm at…

A:

Q: A sample of nitrogen occupies a volume of 225 mL  at 45 oC  and 550 mmHg  of pressure. What will its…

A: Given data ; Volume of nitrogen(V) = 225 mL = 0.225 L Temperature(T) = 45°C = 318 K Pressure(P) =…

Q: A sample of an ideal gas at 1.00 atm1.00 atm and a volume of 1.53 L1.53 L was placed in a weighted…

A:

Q: When 10.33 g of neon is combined in a 20.66 L container at 134oC with 8.59 g of argon, what is the…

A: Given: The given mass of Ne, = 10.33 g. The given mass of Ar, = 8.59 g. The volume of the container,…

Q: When fully inflated, a hot-air balloon has a volume of 1.6 X 105 L at an average temperature of 375…

A: Given that volume of hot-air balloon, y =1.6×105 L Pressure, P = 0.975 atm Temperature, T = 375 K…

Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

A: Limiting Reagent is H2­ and 2730 L of NH3 will be produced in the given process.

Q: Calculate the number of grams of oxygen gas represented by a sample of a pure gas at 27oC, 715 mmHg,…

A:

Q: What volume of gas is produced when 16.0 g of lithium reacts with 30.0 mL of water? Assume that…

A: The reaction is as follows; 2Lis+2H2Oaq→2LiOHaq+H2g 1 mol of H2O reacts with 1 mol of Li 18 g of H2O…

Q: A sample of argon gas occupies 105 mL at 0.871 atm. If the volume of the gas is increased to 352 mL…

A: Given information is as follows; Initial volume V1= 105 mLFinal volume V2= 352 mLInitial Pressure…

Q: Two separate flasks are each filled with a gas at 25.0°C; the valve between them is opened and the…

A:

Q: A 7.53 L container of oxygen gas at 12.1 °C is heated to 87.9 °C. Assuming that the volume of the…

A:

Q: What is the volume of 2.43 x 10^23 molecules of N2 gas at STP.

A: 6.02* 1023 molecules = 1 mole  2.43* 1023 molecules = 0.404 mole  Then use : PV = nRT  where P =…

Q: A sample of nitrogen gas had a volume of 500. mL, a pressure in its closed container of 740 torr,…

A: According to ideal gas law, the volume of a gas is directly proportional to the number of moles,…

Q: What is the total volume of gases produced at 819 Kk and how 1.00 atm pressure when 320 g of…

A: The objective of this question is to calculate the total volume of gases produced when 320 g of…

Q: One mole of hydrogen gas has a mass of 2.02 g. Use the molar volume value 22.6305 mol/L of hydrogen…

A: Given:Molar volume of hydrogen gas at STP = 22.6305 L/mol (i.e. volume of one mole of hydrogen…

Q: The volume of a sample of pure HCl gas was 289 mL at 24 ° C and 137 mmHg. It was completely…

A: The number of moles of HCl is calculated as,

Q: What would be the molar mass of a gas for which 2.43 x 10-2g occupies a volume of 7.68 mL at STP?

A: Given that, volume of gas at STP, V = 7.68 mL = 0.00768 L Mass of gas at STP, m = 2.43×10-2 g Molar…

Q: A sample of oxygen gas occupies a volume of 2.00 L at 27 o C and 2.00 atm pressure. What volume, in…

A: Convert 2 atm pressure into mmHg.

Q: The radius of a xenon atom is 1.3 * 10 - 8 cm. A 100-mL flask is filled with Xe at a pressure of 1.0…

A: A gas equation which is also called as ideal gas law has four gas variables with one constant value…

Q: The volume of a sample of pure HCI gas was 239 mL at 24°C and 177 mmHg. It was completely dissolved…

A: Given that, Volume of HCl gas =239mL = 0.239LPressure  P = 177 mmHg *                     = 0.233…

Q: What is the volume, in L, of 86.6 grams of N3O3 gas at STP?

A: Given : mass of N3O3 = 86.6 g Since molar mass of N3O3 = Atomic mass of N X 3 + Atomic mass of O X 3…

Q: A sample of nitrogen gas kept in a container of volume 2.40 L and at a temperature of 27. °C exerts…

A: Ideal gas equation is  PV = nRT  Where,  P is pressure of the gas  V is volume of the gas n is no.…

Q: At 298.15 k and 0.5 atm, the density of SO2 is 1.31 g/L. The rate of effusion of SO2 through a…

A: Given:  Rate of discussion of SO2 gas = 0.27 L/min  Rate of diffusion of unknown gas = 0.41 L/min…

Q: A sample of methane, CH4, occupies a volume of 350.0 mL at 25°C and exerts a pressure of 1140.0…

A:

Q: Calculate the density of uranium hexafluoride (UF6) with pressure of 697 mmHg at 57oC temperature.…

A: Given: Pressure (P) = 697 mmHg P=697760 atm    ∵ 1 mmHg=1760 atm Temperature (T) = 57°C T=57+273…

Q: A 2.43 L volume of hydrogen measured at −150. °C is warmed to 100.°C. Calculate the volume (in L) of…

A: Given: Initial Volume V1 = 2.43 L Initial Temperature T1 = -150 oC= 123 K Final Temperature T2 = 100…

Q: A sample of hydrogen fluoride gas occupies 1250 mL at STP. What is the pressure in mmHg if the…

A: P1 = 1 atmT1= 273 KV1= 1250 mLP2=?T2= 300oC =573 KV2= 255 mL

Q: A helium-filled balloon used in long-distance flying contains 420,000 ft3 (1.2  107 L) of helium.…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant =…

Q: What is the mass of 10.37 L of ozone, O3, at STP?

A:

Q: A container encloses 32.8 g of CO2(g). The partial pressure of CO2 is 2.21 atm and the volume of the…

A:

Q: A sample of 263.0 mL of wet nitrogen gas was collected over water at a total pressure of 756 torr…

A: Introduction :  Molarity is defined as the number of moles of solute dissolved in one litre of the…

Q: A gaseous sample of neon occupies 500.0mL at 2.00atm. What is the new volume when the pressure is…

A: The problem is asking us to find the new volume of a gas when the pressure is increased. This is a…

Q: A sample of argon gas occupies a volume of 9.60 L at 53.0°C and 0.850 atm. If it is desired to…

A:

Q: If a 1.00 L container was rated to withstand pressures up to 25.0 atm, calculate what the…

A:

Q: When ammonium nitrite is heated, it decomposes to give nitrogen gas and water. This property is used…

A: The answer to the following question is given as:

Q: Calculate the number of moles of carbon dioxide gas present in a 1.50 L flask at STP.   A sample…

A: We need to know some basic factsVolume of 1 mole of an ideal gas at STP is 22.4 LIf number of moles…

Q: What is the pressure in the room, if the 275 ml flask contains 46.2 grams of oxygen at 88.5.F, and…

A: We can apply ideal gas equation here, That is, PV = nRT Where, P = pressure inside flask V = volume…

Q: What is the volume (in liters) of a 5.89 g sample of O2 at STP?

A:

Q: When ozone (O3) is placed in contact with dry, powdered KOH at –15°C, the red-brown solid potassium…

A: Ideal gas equation is the combined result of simple gas laws such as Boyle’s law, Charles’ law and…

Q: 0.17 moles of hydrogen gas and 0.33 moles of nitrogen gas are created from the reaction 2NH3 (g) →…

A:

Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

A: Given -> N2(g) + 3H2(g) -----> 2NH3(g)  Volume of N2 = 1580 L Volume of H2 = 4595 L  -> At…

Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

A: Given, Volume of N2 at STP = 1580 LVolume of H2 at STP = 4240 LWe know that, at STP 1 mole of a gas…