5. What volume will 20.0 g of argon occupy at STP? 6. A sample of dry gas weighing 2.31 grams is found to occupy 2.850 L at 22.0°C and 98.66 kPa. What is the molar mass of the gas? Identify it.

Q: A gas at 569 mmHg and 44.0°C occupies a volume of 6.18 L. Calculate its volume at STP.

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: How many moles of gaseous arsine (AsH3) occupy 0.0400 L at STP? What is the density of gaseous…

A: STP: STP stands for standard temperature and pressure which is used to calculate properties of gases…

Q: A flask weighs 50.1305g when clean, dry, evacuated, 150.2410g when filled with water (density =…

A:

Q: To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as…

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Q: A 2.55 g sample of an unknown gas at 31 ∘C and 1.05 atm is stored in a 2.85 L flask. What is the…

A: First the density is determined by using density formula as shown below,

Q: potassium chlorate is needed to produce 20.0 mL of oxygen gas at 700. mmHg and 20. °C? 1leent dlaite

A: Volume = 20 mL = 0.020 L Pressure = 700 mm Hg     = 700/760 = 0.921 atm Temperature = 20 °c = 293 K…

Q: mass of 8 g at ô°C and 0.87 atm occupies a olume which is equal to a volume of 11g CO2 at STP.…

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Q: The density of a sample of gas is 1.00 g/L at 745 mmHg and 109°C. What is the molar mass of the gas

A: The ratio of mass per volume of a given substance is called its density. The equation of state of a…

Q: A 6.35 L sample of CO is collected at 55 °C and 1.37 atm. What volume will the gas occupy at STP…

A: Given,

Q: Calculate the molar mass of a gas that has a density of 1.70 g/L at STP

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 1.65 g sample of an unknown gas at 55 °C and 1.00 atm is stored in a 2.45 L flask. What is the…

A:

Q: 4. A liter of gas at a temperature of 25°C and a pressure of 730 mm weighs 1.6 grams. a. What volume…

A:

Q: A 1.35 g sample of an unknown gas at 53 °C and 1.05 atm is stored in a 2.75 L flask. What is the…

A: Given: Pressure = 1.05 atm  Volume= 2.75 L  R = gas constant = 0.0821 L atm mol-1K-1 T = temperature…

Q: A 3.55 g sample of an unknown gas at 59 °C and 1.05 atm is stored in a 1.05 L flask. What is the…

A: a) Since mass of gas is given = 3.55 g  and volume of gas = volume of flask = 1.05 L hence density…

Q: 4. A 6.35 L sample of CO is collected at 55 °C and 1.37 atm. What volume will the gas occupy at STP…

A: Using ideal gas equation PV = nRT two times at different temperature we can calculate volume at STP.

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

A: Lithium reacts with water to produce lithium hydroxide and hydrogen gas. Reaction can be represented…

Q: A 1.95 g sample of an unknown gas at 67 °C and 1.05 atm is stored in a 2.05 L flask. What is the…

A: The molar mass of a chemical compound is defined as the mass of a sample of that compound divided by…

Q: A sample of nitrogen occupies 945 mL at a temperature of 26 °C and a pressure of 85.0 kPa. What…

A: PV = nRT Volume of gas at STP = n x 22.4 L

Q: Burning one mole of propane in a gas grill adds 132 g of carbon dioxide (CO 2) to the atmosphere.…

A: At STP, 1 mole of a gas occupy 22.4 L of volume.

Q: A 3.95 g sample of an unknown gas at 69 °C and 1.00 atm is stored in a 1.75 L flask. What is the…

A: The ideal gas equation relates the pressure, volume, temperature, and number of moles of gases of a…

Q: 5.41 A sample of a smokestack emission was collected into a 1.25-L tank at 752 mm Hg and analyzed.…

A: For 100 g sample, Mass of CO2 = 92 g Mass of NO = 3.6 g Mass of SO2 = 1.2 g Mass of water = 4.1 g

Q: A sample of a certain gas has a volume of 452 mL at 711 mm Hg and 26 °C. What would be the volume of…

A: Given: Volume V1= 452 mL Pressure P1 = 711mmHg= 711/760= 0.935 atm Temperature T1 = 26oC= 26+ 273 =…

Q: How many liters of fluorine gas are needed to form 951 L of sulfur hexafluoride gas if the following…

A: Given:  S (s) + 3 F2 (g) ----> SF6 (g)  Formula used:  PV = nRT  P= 2.0 atm  T = 273.15 K  SF6…

Q: A sample of oxygen gas occupies a volume of 400 mL at 50oC and 250 mmHg of  pressure. What will its…

A: Ideal gas equation is used to solve this by using the formula :-  P1 V1 ÷ T1 = P2 V2 ÷ T2

Q: 42. What mass of KCIO, will produce 250 mL of O2 gas, collected by water displacement, at an…

A: The relation of pressure. temperature, number of moles and volume can be given by the ideal gas…

Q: A 3.35 g sample of an unknown gas at 31 °C and 1.00 atm is stored in a 1.85 L flask. What is the…

A: Given data, mass of the sample of an unknown gas=3.35 g Temperature(T)=31℃=(31+273)K =304 K…

Q: 6. Calculate the density of hydrogen bromide (HBr) gas in grams per liter at 733 mm Hg and 46°C.

A: For the ideal gas, the temperature pressure and the volume are related by the ideal gas equation.…

Q: how many moles of neon occupy a volume of 24.3 L at STP?

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Q: 1.A sample of unknown gas weighs 2.85 g and occupies 750 mL at 760 mmHg and 100°C. What is the molar…

A:

Q: What volume of oxygen gas is produced when 29.4 g of mercury(II) oxide reacts completely according…

A: The given chemical equation is: 2 HgO (s) → 2 Hg (l) + O2 (g) Given mass of HgO = 29.4 g  Molar mass…

Q: A 1.25 g sample of an unknown gas at 81 °C and 1.00 atm is stored in a 1.05 L flask. What is the…

A: Given, mass of unknown gas sample m = 1.25 g            temperature T = 81 °C = 81+ 273 K = 354 K…

Q: A 2.35 g sample of an unknown gas at 51 °C and 1.05 atm is stored in a 1.35 L flask. What is the…

A: Given, mass of a unknown gas sample (m) = 2.35 g Temperature (T) = 51°C = (51 + 273.15) K = 324.15 K…

Q: Consider the following chemical reaction: heat > KNO2(3) + O20 What mass of KNO3 would have to be…

A: Balance equation  2KNO3 (g) ==> 2KNO2 (s) + O2 (l)

Q: A 3.35 g sample of an unknown gas at 23 'C and 1.10 atm is stored in a 3.05 L flask. What is the…

A:

Q: 5. a student What would the collects 45.0mL of 1/₂ gas at 19°c and 104. zela. volume of this amount…

A: Given that -  Volume of H2 gas = 45.0 mL  Temperature = 19°C = 292 K  Pressure = 104 kPa…

Q: Dinitrogen monoxide can be prepared by heating ammonium nitrate, which decomposes into dinitrogen…

A:

Q: A 3.45 g sample of an unknown gas at 43 °C and 1.10 atm is stored in a 1.85 L flask. What is the…

A: Given datas ; m = 3.45 g T = 43°C =( 43 + 273 ) K = 316 K P = 1.10 atm  V = 1.85 L Density = mass /…

Q: A 3.25 g sample of an unknown gas at 37 °C and 1.00 atm is stored in a 1.85 L flask. What is the…

A: Mass of sample = 3.25 g Volume = 1.85 L Temperature = 37 ◦C or 310.15 K Pressure = 1 atm

Q: Consider the astronaut being supplied with He and N2. The density of helium at STP is 0?179g/L and…

A: It is given that density of helium at STP is 0.179g/L and oxygen is 1.43g/L (a) According to…

Q: Calculate the density of HBr gas in g/L at 733 mmHg and 46°C.

A: Given that:  P = 733mmHg = 733mmHg×1atm/760mmHg = 0.9645atm T = 46°C = 46°C + 273 = 319K  Molar mass…

Q: A 1.95 g sample of an unknown gas at 67 °C and 1.05 atm is stored in a 2.05 L flask. What is the…

A:

Q: A 1.85 g sample of an unknown gas at 47 °C and 1.00 atm is stored in a 2.85 L flask. What is the…

A: Given: Mass, m =1.85 g Volume , V =2.85 L Pressure, P = 1.00 atm Temperature, T = 47 +273 = 320 K…

Q: 87.23 grams of a gas occupies 45 L at 600 mm Hg and 25 C. What is the molar mass of the gas ?

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Q: What is the mass of CH4 in a sample that occupies a volume of 16.5 L at STP?

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Q: In the reaction, 2 NaN, (s) 2 Na(s) + 3 N₂(g) ->> how many liters of nitrogen, N₂, measured at STP,…

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Q: If a sample of Argon gas occupies 2.50 L at 100.0 °C and 5.00 atm, what volume will it occupy at 0.0…

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

Q: A 2.65 g sample of an unknown gas at 21 °C and 1.10 atm is stored in a 1.05 L flask. What is the…

A:

Q: At 450 mm Hg and 85oC, a sample of carbon monoxide gas occupies a volume of 0.250 L. The gas is…

A: Given, P1 = 450 mm Hg = 0.59 atm P2 = ? V1 = 0.250 Litre V2 = 2.00 Litre T1 = 85 + 273 = 358…

Q: A 3.05 g sample of an unknown gas at 21 °C and 1.10 atm is stored in a 1.95 L flask. What is the…

A: