Part B To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 2.8-L bulb, then filled it with the gas at 2.03 bar and 26.0 °C and weighed it again. The difference in mass was 6.3 g Identify the gas. Express your answer as a chemical formula.

Q: is the molar mass of a gas that has a sample mass of 3.17 g and occupies a volume of 548 mL at 2.00…

A: Answer  Calculate molar mass of gas   Gas equation   PV   =    nRT…

Q: If the temperature of a 1.75 liter sample of gas is changed from 30.0oC to 20.0oC at constant…

A:

Q: A sample of gas with a temperature of 124K is manipulated so that its pressure is increased by a…

A: A sample of gas with a temperature of 124K is manipulated so that its pressure is increased by a…

Q: An unknown gas weights 34.2g and occupies 67 mL at 2.0 atm and 24.5 Celsius. what is its molar mass?

A: Given, Mass of unknown gas = 34.2 g Pressure, P = 2.0 atm Volume, V = 67 mL = 0.067 L    (1 mL =…

Q: A mixture containing 0.250 mol N2 (g), 0.150 mol CH4 (g), and 0.100 mol O2 (g) is confined  in a…

A: Recall ideal gas law-                    PV=nRTWhere,pressure of gas is P         Volume of…

Q: How many miles of iron are required to react completely with 31.8 L of chlorine gas according to the…

A:

Q: An experiment shows that a 113 mL gas sample has a mass of 0.171 g at a pressure of 721 mm Hg and a…

A: given values : volume = 113 mL = 0.113 L pressure =721 mmHg = 721760 atm                  =0.94 atm…

Q: A sample of N2 gas has 4.42 moles and occupies 1.06L at 25 degrees Celsius. What volume will it…

A:

Q: A sample of gas at 1009.8 mmHg, occupying a volume of 12.49 L, and at a temperature of 26.20 °C is…

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

Q: Recent communication with the inhabitants of Neptune have revealed that they have a Celsius-type…

A:

Q: An ideal gas is contained in a cylinder with a volume of 5.0 X 102 mL at a temperature of 30.°C and…

A:

Q: .What is the temperature of gas, in K, that is expanded from 2.5 L at 25 C to 4.0 L at constant…

A:

Q: A 2.0 L vessel is filled with 7.3 x 10-2 mol hydrogen at 1.55 atm. What is the temperature of this…

A:

Q: What is the mass of a 3.00 L sample of a gas if this volume was measured at 40oC and 99.2 kPa?…

A: Let the pressure, volume, number of moles and mass of the gas at 40◦C (313K) be P1, V1, x and W1…

Q: 3. An investigator is told that a closed vessel holds a pure rare gas. She measures the density of…

A:

Q: A perfect gas undergoes isothermal compression, which reduces its volume by 2.20 L. The final…

A:

Q: Which two variables in the ideal gas law are directly proportional with volume? PV = nRT O…

A: According to Charles law - For a definite mass of a ideal gas , Volume is directly proportional to…

Q: At standard temperature and pressure (0 °C and 1.00 bar), 1.00 mol of an ideal gas occupies a volume…

A: Since, the given gas is an ideal gas. We can apply Ideal gas equation to this case:PV=nRTP= 1 barV=…

Q: Butane, C4H10, is used as fuel for cigarette lighters.  If you have 156 mL of butane at 747 mmHg and…

A: Applying formula  PV = nRT where P= pressure, V= volume , n= no. of moles , R = gas constant and T=…

Q: Does the volume of a fixed quantity of gas decrease to half its original value whenthe temperature…

A:

Q: Which of the following instruments would be used to measure the pressure of a gas sample relative to…

A: We know that, Pressure represent the force applied perpendicular to the surface of any object per…

Q: a gas weighs 4.25 g and has a volume of 956.0 mL at 665.0 torr and 35.0 °C. What is its molar mass?

A: Ideal Gas equation:-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: Nitrogen monoxide is a pollutant commonly found in smokestack emissions. One way to remove it is to…

A: 4NH3(g) + 6NO(g) → 5N2(g) + 6H2O(ℓ) As, we can see 4 moles of NH3(g) is required to convert 6 moles…

Q: To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an…

A: According to the ideal gas law: PV = nRT where P, V, n, R and T represent pressure, volume, number…

Q: Under constant-pressure conditions a sample of hydrogen gas initially at 88°C (361K) and 9600 mL is…

A: Given : Initial volume of gas = 9600 mL Initial temperature of gas = 88 oC And final volume of gas =…

Q: What is the temperature (in °C) of an 11.8 L sample of carbon monoxide, CO, at 747 torr if it…

A: Given: V1 = 11.8 L V2 = 12.9 L T2 = 57.0oC T1 = ?

Q: 5. To what temperature must a gas sample at 20°C be heated in order to double its volume?

A:

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

A: Given Data : Moles of N2 = 1.3 mol Moles of O2 = 0.33 mol Moles of Ar = 0.061 mol

Q: 720 mL of H2 gas at 0°C and 126.6 kPa is changed to S.T.P. What will be its new volume ?

A: The question is based on the concept of combined gas equation. we have been given initial conditions…

Q: In any equation forms of the Ideal Gas Law, IGL, molar mass must be in what unit?  a mol  b kg/mol…

A: Given  Ideal Gas Law Equation  Unit if molar mass = ?

Q: The real gases do not follow the ideal gas law of PV = nRT, where P is the pressure, V is the…

A: The ideal gas law is PV = nRT P = pressure V = Volume n = no. of moles R = universal gas constant  T…

Q: At 1.10 atm and 14.23 ∘C, a 2.15g sample of gas occupies a volume of 2.10×103 mL. Calculate the…

A: Given pressure = 1.10 atm volume = 2.10 × 103 ml Temperature = 14.23°C mass = 2.15 g

Q: A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The…

A: Given that: Initial volume of gas = 3.00 LFinal volume of gas = 1.00 LInitial pressure of gas = 1.25…

Q: A  2.75 g gas occupies 450 mL at 37 0C and 1.50 atm. What is the molar mass of the gas?

A:

Q: What is the molar mass of an unknown gas with a density of 1.90 g/L at 1.00 atm and 25.0 °C?…

A:

Q: Which of the following is a mathematical expression of the Ideal Gas Law, using the symbols commonly…

A: Ideal gas laws are used to relates the four independent physical properties of a gas at any time.

Q: To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an…

A:

Q: An ideal gas is allowed to expand from 9.00 L9.00 L to 85.5 L85.5 L at constant temperature. By…

A: Volume define size of any substance .it is denoted in Litre or ml. Calculate change in volume do…

Q: A sample of fluorine gas occupies a volume of 1550 mL at 690 mm Hg and 155oC.  What is the mass of…

A: The question is based on the concept of ideal gas equation. we have to make use of ideal gas…

Q: What is the molar mass of a gas if a 68.6 g sample of the gas has a volume of 44.56 L at 801 mmHg…

A:

Q: Suppose a sample of refrigerant gas consisting of a simple mixture of the gases C2HF5 and CH2F2 has…

A: Given: Density of mixture = 1.92 g/L. Pressure of mixture = 0.625 atm. Temperature = 31 oC And the…

Q: A scientist isolates a sample of gas that occupies a volume of 678.1 mL at 104.3 kPa and 39.27 °C.…

A: Inert gas equation: -  PV=nRT (104.3*0.01atm)*(0.678 L) = n * 0.0821*(39.27 +273.15) n = 0.0275…

Q: Consider the following chemical reaction: 2H₂O(1)→ 2H₂(g) + O2(g) What mass of H₂O is required to…

A:

Q: When the temperature of a rigid hollow sphere containing 46.5 mL of argon gas is held at 24.5°C, the…

A: In this question, we want to determine the mass of argon gas. How we can determine the mass of argon…

Q: moles of chlorine gas

A:

Q: A 10.0 L sample of CO2 gas at 25.0 degrees celsius is heated at a constant pressure until the volume…

A: Given, Initial Volume = 10.0 L Initial Temperature = 25.0°C  Final volume = 20.0 L  Final…

Q: The ideal gas constant R is: R = 8.314 J / K*mol What is the value of R expressed in units of L…

A:

Q: A clean, dry and open empty flask is being heated in a water bath. Under which conditions before or…

A: The ideal gas equation is PV = nRT Here , P = pressure of gas V = volume of gas n = number of moles…

Q: Calculate the root-mean-square (rms) speed (in m/s) of propane (C3H8) gas molecules at a temperature…

A: We have to calculate the root-mean-square (rms) speed (in m/s) of propane (C3H8) gas molecules

Q: What is the molar mass of a gas that has a sample mass of 3.17 g and occupies a volume of 548 mL at…

A: Mass of gas sample (mgas) = 3.17 g Volume occupied by sample (Vgas) = 548 mL or 0.548 L Conversion:…