5. A McLeod gauge measures low gas pressures by compressing known volume of the gas at constant temperature. If 345 cc of gas is compressed to a volume of 0.0457 cc under a pressure of 2.51 kPa, what was the original gas pressure?

Q: If a gas has a volume of 34.5 L at 1020 mm Hg and 25.0C, what is the volume at standard temperature…

A: Given:- For a gas,  Volume (V1)= 34.5L Pressure (P1)= 1020 mm Hg = (1020/760)atm = 1.342 atm…

Q: A newly discovered gas has a density of 2.27 g/L at 26.0 °C and 739 mm Hg. What is the molar mass of…

A: Given: Density of gas = 2.27 g/L. Temperature = 26.0 oC And the pressure of gas = 739 mm Hg.

Q: 3. At a pressure of 780.0 mm Hg and 24.2 °C, a certain gas has a volume of 350.0 mL. What will be…

A:

Q: 1. A 0.678 gram sample of gas occupies 0.214 L at standard conditions; what is the molar mass of the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A newly discovered gas has a density of 2.16 g/L at 26.0 °C and 731 mm Hg. What is the molar mass of…

A: Given: The density of new element,(d)=2.16 g/L The temperature, (T)=26.0 °C=(273.15+26)=299.15 K The…

Q: If a gas is cooled from 511.0 K to 295 K and the volume is kept constant, what final pressure would…

A: Given that: T1 = 511.0 K T2 = 295 K P1 = 601 mm Hg To find: the final pressure, P2?

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: 10. What is the volume do 482 liters of gas occupy if the temperature of the gas is changed from…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: If a gas at 25.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a…

A: Given,  Temperature of gas in °C = T = 25.0 °C  Initial volume of the gas = V1 = 3.60 L  Initial…

Q: 0. At what temperature in Kelvin will 0.730 moles of oxygen gas occupy 6.50 L and exert 2.90 atm of…

A:

Q: If a 10.0 L sample of gas at 110 kPa has its pressure increased to 440 kPa, what is the new volume…

A: Given: Initial Pressure, P1=110 kPa The initial volume, V1= 10.0 L Final Pressure, P2=440 kPa The…

Q: What is the molar mass of an unknown gas with a density of 2.55 g/L at 1.00 atm and 25.0 °C?

A: We have to find What is the molar mass of an unknown gas with a density of 2.55 g/L at 1.00 atm and…

Q: (a) A sample of nitrogen gas occupies a volume of 3.00 L at 760 mm Hg and 0.0 °C. If the volume of…

A: The ideal gas equation is given by, P1V1T1=P2V2T2 where P is the pressure, V is the volume and T is…

Q: If a gas occupies 88.0 L at 30.0 kPa, what volume will it occupy at 90.0 kPa,

A:

Q: What is the molar mass of an unknown gas with a density of 2.00 g/L at 1.00 atm and 25.0 °C?

A:

Q: The STP density of an unknown gas is found to be 2.32 g/L. What is the molar mass of the gas?

A: Density of unknown gas = 2.32g.L-1

Q: At 570.mm Hg and 25C, a gas sample has a volume of 2270 mL. What is the final pressure at a volume…

A:

Q: 2. A 275 mL gaseous sample has a pressure of 732.6 mm Hg at 98 °C, how many moles of gas are in the…

A: Given, T = 98°C  P = 732.6 mm Hg  V = 275 mL  n = ?

Q: 3- Calculate the final volume at 302 K of a 5.41 L sample of gas originally at 353 K if the pressure…

A: Given values, V1= 5.41 L , T1= 353 K V2= ? , T2=302 K

Q: If a gas at 25.0 °C occupies 22.5 liters at a pressure of 1.00 atm, what will be its volume at a…

A: Use Boyle's Law to solve this problem, P1V1 = P2V2 P1 = 1 atm V1 = 22.5 L P2 = 2.50 atm V2 =?

Q: Show the calculation of the new volume of a gas sample which has an original volume of 620 ml when…

A:

Q: metimes in lab we collect the gas formed by a chemical reaction over water (see sketch right). This…

A:

Q: What is the molecular weight of the gas?

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

Q: A 75.5 mL sample of gas at 1.25 atm pressure is squeezed into a 10.0mL container.  a) what is its…

A: According to Boyle's law pressure of a given quantity of gas varies inversely with its volume at…

Q: A sample of a gas has a mass of 0.293 g and a pressure of 600.0 mm Hg at 14.0 °C in a 100.0…

A: Given:  Mass of Gas = 0.293g Pressure = 600.0 mmHg Temperature = 14.0o C Volume= 100.0 mL To…

Q: 5. At conditions of 104.7 kpa of pressure and 15°C temperature, a gas occupies a volume of | 45.5…

A:

Q: 525 mL at a pressure of 85.0 kPa. What would the volume of he gas be at a pressure of 65.0 kPa?

A:

Q: A newly discovered gas has a density of 2.39 g/L at 23.0°C and 715 mm Hg. What is the molar mass of…

A:

Q: A gas at 89°C occupies a volume of 0.67L. At what celsius temperature will the volume increase to…

A:

Q: 9. a) You have determined experimentally that at standard temperature and pressure (0 °C and 1 atm)…

A: For ideal gas the equation of state is :  PV = nRT = (W/M)RT  Or, M = WRT/PV ...(1)  Here, W =…

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: 3. A sample of gas at 3.00 x 103mmHg inside a steel tank is cooled from 500.00C to 0.000C. What is…

A: Given: Initial pressure P1= 3.00×103 mmHg= 3.00×103760=3.95 atm Initial temperature T1= 500°C= 773K…

Q: 4. A gas mixture of helium and oxygen has a total pressure of 600kPa. What is the partial pressure…

A: Each constituent gas has a partial pressure in a gas mixture that is the hypothetical pressure of…

Q: 5. A volume of gas inside a balloon contracts from 6O L to 55 L. The temperature of the gas before…

A: From idealngas equation  PV = nRT

Q: What is the molar mass of an unknown gas with a density of 2.05 g/L at 1.00 atm and 25.0 °C?

A: Given, the density of gas = 2.05 g/L the pressure of gas = 1.00 atm Temperature = 25.0 C∘ = 298K

Q: 7. A gas With à võlumé öf а pressure of 205kPa is allowed to expand to 16.0L. What is the new…

A: We will use Boyle's law to get the answer

Q: 4. If a gas is cooled from 323.0 K to 273.15 K and the volume is kept constant what final pressure…

A: Gas laws are the laws that relate to the pressure, temperature, and volume of a substance. The…

Q: 2 A , how long will it take to generate 23.0 L of hydrogen gas at a pressure of 27.0 atm and a…

A: Given,  Current = 8.2 A Temperature = 23 °c = 296 K Volume = 23.0 L Pressure =27.0 atm Using ideal…

Q: If a gas sample has a pressure of 40.7kPa at 0.00 °C,how much does the temperature have to decrease…

A:

Q: Assuming that a 1.5 g gas occupying a volume of 500 ml at a pressure of 1.75 atm and a temperature…

A: Given: Mass of gas = 1.5 g. Volume of gas = 500 mL = 0.500 L…

Q: A sample of gas at 1015.7 mmHg, occupying a volume of 14.66 L, and at a temperature of 21.31 °C is…

A: Given: Initial Pressure, P1=1015.7 mmHg [1 atm = 760 mmHg] P1=1.336 atm The initial volume, V1=…

Q: 13.A gas was found to have a density of 1.76 mg/mL at 24.0°C and a pressure of 98.8 kPa. What is its…

A: The molecular mass of a gas to be given, Given : Density=1.78 mg/mL Temperature=(240 C) 297 K…

Q: #1.The volume of a gas at 99.0 kPa is 300.0 mL. If the pressure is increased to 188 kPa, what will…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: #3. A gas at 89°C occupies a volume of 0.67 L. At what Celsius temperature will the volume increase…

A: Since you have asked multiple questions, we will solve the first question (3rd question as present…

Q: 2.15g gas occupies 7.50 x 102mL at STP.  What is molar mass of gas?

A:

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:…