3. If 3.21 mol of a gas occupies 56.2 L at 44 °C and 793 torr, 4.73 mol of this gas occupies L under STP conditions.

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: In a 10.00 L steel container, and at a temperature of 25.0oC, we have 76.0 g of O2(g) and 63.9 g of…

A: Given that:Volume of the container, V = 10.00 LTemperature, T = 25.0oC = 298.15 KThe container…

Q: If a sample of gas occupies 6.72 L at STP, what volume will it occupy at 25°C and 800 torr?

A:

Q: A fire extinguisher releases 1.96 g of an unknown gas that occupies 1.00 L at STP. What is the molar…

A: Given that:                                   Mass of the unknown gas = 1.96 g…

Q: If 13.5 mol of nitrogen gas occupies a volume of 67.2 L at STP, how many miles would there be in a…

A:

Q: A gaseous sample occupies 32.4 mL at −23°C and0.75 atm. What volume will it occupy at STP?

A: The combined gas law describes the correlation among a fixed amount of gas's volume, pressure and…

Q: If a gas originally occupying 6.75 L at 19.21 ºC and 762.5 torr is compressed to give a pressure of…

A: The given data: The initial volume of the gas = 6.75 L The initial temperature of the gas = 19.21℃…

Q: 50.0 g

A: Moles of propane = ( mass / molar mass )  Moles of propane = ( 50.0g / 44.1gmol-1 )  Moles of…

Q: A container with a volume of 371 L contains how many moles of Oz at STP?

A: Given  Volume = 371 L  Number of mole of O2 = ?

Q: How many moles of gas occupy 0.500 L at 170 mm Hg and 25 °C?

A: Provided volume (V)=0.500Litre Temperature=25°C Temperature =(273.15+25) Temperature (T)=298.15K…

Q: A gas sample weighing 19.66 g occupies a volume of 7.85 L at STP. What is the molar mass of this gas…

A: The ideal gas equation is given as:

Q: When 4.67 L of carbon dioxide at 485.6 mmHg and 25.0 ℃ is heated to 475.0 ℃ and converted to 754.2…

A: Given P1 = 485.6 mmHg V1 = 4.67 L T1 = 25°C P2 = 754.2 mmHg V2 = ? T2 = 475°C

Q: A 3.21 L sample of nitrogen gas, N2, contains 0.254 mol of nitrogen, N2. If nitrogen is added to the…

A: Avogadro's Law :-  It states that, volume is directly proportional to number of moles of gas at…

Q: If 4.81 g Ar are added to 4.01 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A: First Calculate mole of Ar by mass÷molar mass Then Mole of He by PV=nRT. After this for total…

Q: Using the ideal gas law, how many grams of sodium azide are required to inflate an airbag to 67 L of…

A: 2 mol Azide will  give 3 mol of N2  At STP 1 mol of N2 occupy 22.4 L

Q: Carbon monoxide burns in oxygen to form carbon dioxide.  Provide a balanced chemical equation. What…

A: Interpretation- To write the balanced chemical equation when carbon monoxide burns in oxygen to form…

Q: A gas is initially at 305 K, 892 torr, and occupies a volume of 6.92 L.  What volume will the gas…

A:

Q: A sample of chlorine gas is confined in a 5.0-L container at 328 torr and 37°C. How many moles of…

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume,…

Q: What volume is occupied by 0.985 mol of CO, at 286.9 K and 761 mmHg?

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

Q: A gas occupies 256 mL at 720 torr and 25°C. What will its volume be at STP?

A:

Q: A sample of gas occupies a volume of 384ml  at 60 Torr and 27ﾟC. What volume will occupy at STP?

A: The combined gas law states that the ratio of the product of the original pressure and volume of a…

Q: Combined Gas Laws 7. A sample of gas occupies a volume of 384 mL at 60.0 torr and 27°C. What volume…

A: The volume occupied by a gas at STP is 22.4 L. Using this value and Ideal gas equation, the volume…

Q: A gas occupies 1.87 L of volume, exerts 311 mm Hg of pressure, and is at 27.0oC.  If the conditions…

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

Q: What volume is occupied by 0.445 mol of CO2 at 397.0 K and 973 mmHg?

A: Given information: Moles of the carbon dioxide gas = 0.445 mol Pressure (p) = 973 mmHg Temperature…

Q: If a gas occupies 33.0 L at 50.0 ⁰C, what volume will it occupy at 100. ⁰C, assuming the pressure…

A: We know ideal gas equation , PV = nRT  where, P- pressure of gas  V- volume of gas  n- Number of…

Q: A sample of helium gas occupies 11.7 L at 23°C and 0.956 atm. What volume will it occupy at 40.°C…

A: Given :-  initial volume = 11.7 L  initial temperature = 23°C  final temperature = 40.°C  pressure…

Q: If 8.00 g of gas occupies 11.2 L at 20 degrees Celsius and 0.25 atm, what is the molar mass of the…

A: Given data - mass = 8 g. Pressure = P = 0.25 atm. volume = V= 11.2 L = 0.0112 ml. gas constant = R =…

Q: A gas originally occupying 10.1 L at 0.925 atm and 25°C is changed to 15.0 L at 625 torr. What is…

A:

Q: g/mol. The molecular weight of a gas that has a density of 4.1 g/L at STP is

A:

Q: Calculate the partial pressure (in Torr) of Hg if a 50.40 g sample of nitrogen-mercury vapor at 23°C…

A:

Q: A mixture of gases contains: 2.70 g He, 8.13x1022 atoms of Ne, and 0.180 mol Ar. If the total…

A:

Q: At 741 torr and 44 °C, 7.10 g of a gas occupy a volume of 5.40 L. What is the molar mass of the gas?

A: Using the ideal gas equation, given the pressure, temperature, mass and volume of the gas, where R…

Q: If 4.68 g Ar are added to 4.09 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A: no of moles Ar=4.6840                      =0.117no of moles of He , under given conditionAssuming…

Q: . If 260 mL of O, gas is collected at 21°C and 101.3 kPa, what volume would this gas occupy at STP?

A: 7.  Given :- initial pressure = 101.3 kPa initial volume = 260 mL initial temperature = 21°C  To…

Q: The mass of 1.12 L gas at STP is found to be 6.23 g. What is the molar mass of gas Y ?

A: Given data is: Volume of gas = 1.12 L  Given mass = 6.23 g The procedure to finding the molar mass…

Q: What is the pressure of N2 (g)  in Torr if 0.582 atm of O2 (g) and  965Torr of He(g)  are mixed with…

A: Given , Total pressure = 2250 mmHg Since , 1 torr = 1mmHg  So, Total pressure  = 2250 torr Partial…

Q: 12. What is the molar mass of a gas that has a density of 5.75 g/L at STP?

A: Write the ideal gas equation. PV= nRT where P is the pressure, V is the volume, n is the number of…

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…

A:

Q: A gas occupies 1.40 L at 0.90 atm. What pressure would it exert if the volume were allowed to…

A: P1V1 = P2V2

Q: If 0.60 g of a gas occupies 300mL at 27°C and 630mm Hg of pressure, what is the molar mass of the…

A: Given that,Mass of the gas=0.60 gVolume of the gas=300mLT=300KP= 630mmHg

Q: A 3.88 L vessel contains 4.09 g of a gas at 838 torr and 27.5 °C. What is the molar mass (g/mol) of…

A: Use PV= n RT  Where temperature (T)  must be in Kelvin unit. Mole, n = weight / molar mass

Q: Calculate the molar mass of a gas at 487 torr and 64°C if 206 ng occupies 0.206μL.

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

Q: A sample of O2 gas occupies a volume of 11.2L at STP. How many grams of O2 are present?

A: Given, volume occupied by O2 gas = 11.2 L

Q: A sample of gas at 756 torr and 230C occupies 123 mm3. What would its volume be if the (75.4…

A: Boyle’s law is a gas law which states that the pressure exerted by a gas (of a given mass, kept at a…

Q: What volume would 1.20 moles of gas held under 846 torr pressure and 303 K occupy?

A: 20  Given :-  No. of moles of gas = 1.20 mol  Pressure = 846 torr  Temperature = 303 K  To calculate…

Q: A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0-L…

A:

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

A:

Q: A 19.50 g sample of a gas occupies a volume of 24.8 L at 22.7ºC and 748.3 mmHg.  What is its…

A: