A 1.58 gram sample of an unknown gas is found to occupy a volume of 0.886 L at a pressure of 658 mm Hg and a temperature of 44 °C. The molar mass of the unknown gas is  ______g/mol.

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

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Q: A 1.32 gram sample of an unknown gas is found to occupy volume of 0.624 L at a pressure of 599 mm Hg…

A: Given, mass of the unknown sample (m) = 1.32 g Volume (V) = 0.624 L Note: 760 mmHg = 1 atm Pressure…

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…

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Q: A 0.780 mol sample of neon gas occupies a volume of L at STP.

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Q: An 8 liter container at 30 C is filled with 14.0 g of neon gas and 8.0 g of helim gas. Calculate the…

A: Given :  Mass of Ne = 14.0 g  Mass of He = 8.0 g  Temperature = 30 oC  Volume = 8 L  To calculate :-…

Q: At STP a sample of gas with a mass of 29.9 grams occupies 3.80 L. What is the molar mass of this…

A: 1 mole = 6.022×1023 [Avogadro's number ] The mass of one mole of molecules of a gas is called molar…

Q: When dinitrogen pentoxide gas reacts with nitrogen dioxide gas, the products are nitrogen monoxide…

A: According to the ideal gas equation, PV=nRTP=PressureV=Volumen=number of molesR=gas…

Q: Determine the density of a gas with ℳ = 146.07 g/mol at 1.00 atm and 100.0ºC.

A: Density of the gas is related to molar mass, pressure and the temperature by the equation below:…

Q: 1.16-g sample of an unknown gas has a volume of 621 mL and a pressure of 676 mmHg at 38.9 °C.…

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Q: In a contalner filled with gas at a constant temperature, the volume Is 183 mL and the pressure Is…

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

Q: The volume of a gas at 3.2atm is 4.0L. If the pressure is increased to 6.4atm, what will be the new…

A: Boyle's law This law states that the absolute pressure exerted by a given mass of an ideal gas is…

Q: At 1.35 atm and 5.91 °C, a 4.04 g sample of gas occupies a volume of 2060 mL. Calculate the molar…

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Q: 1. When a certain acid and a certain base are mixed together, a reaction occurs that produces a gas…

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Q: What is the pressure of a gas that originally occupied 3.2L at a pressure of 3.3atm, if the volume…

A: Given data Initial stateP1=3.3 atmV1=3.2 L Final stateP2=?  atmV2=7.5 L

Q: A 0.325 L flask filled with gas at 0.914 atm and 19 °C contains mol of gas. 0.0148 O 0.0124 O 40

A: The ideal gas equation is given by  PV = nRT  Given data Pressure inside the flask =0.914 atm V =…

Q: Th e volume of a gas at 75 kPa is 4.0 L. What is the volume of the gas if the pressure increases to…

A: Given,  Initial volume of the gas = V1 = 4.0 L  Initial pressure = P1 = 75 kPa  Final pressure = P2…

Q: What is the pressure of a gas that originally occupied 3.5L at a pressure of 2.5atm, if the volume…

A: Boyle's law states that volume (V) of a fixed mass of a gas is inversely proportional to the…

Q: A 113-mL gas sample has a mass of 0.171 g at a pressure of 721 mmHg and a temperature of 32 °C. What…

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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: A 0.530 mol sample of neon gas occupies a volume of _______ L at STP.

A: • The values provided in the question are:-     i) Number of moles of Neon (Ne) gas sample = 0.530…

Q: An empty 2.10-L vessel weighs 92.00 g. After filling the vessel with 1.00 atm of a gas at 27.0 °C,…

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Q: A sample of argon gas has a volume of 735 mL at a pressure of 1.20 atm and a temperature of 112 °C.…

A: Ideal gases are hypothetical gases which do have real existence. A gas can behave ideally at low…

Q: At 571  mm Hg and 323 K, a gas sample has a volume of 2.45 mL. What is the final pressure (in mm Hg)…

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Q: 20. A gas mixture is made by placing 6.00 grams each of Ne and Ar in a 10.0 L rigid container at…

A: (a) The partial pressure of Ne Molar mass of Ne = 20.2 g/mol mass given of Ne= 6.00 g number of mol…

Q: What is the molar mass of Freon-11 gas if its density is 6.13 g/L at STP?

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Q: The density of a gas at 37° C and 175kPa is 14.7g/L. Determine the molar mass of this gas. -…

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Q: 7.596×10-4 mol of CF4(g) (tetrafluoromethane gas) is generated into a 131.0 mL headspace, at 25.0…

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Q: Using Ideal Gas Law    25.0g of methane (CH4) has a pressure of 450.0kPa at 250℃. Find the volume…

A: Ideal gas law  states that the product of pressure and volume of one gram molecule is equal to the…

Q: 5.27 A newly discovered gas has a density of 2.39 g/L at 23.0°C and 715 mm Hg. What is the molar…

A: Given, Density of a gas (d) = 2.39 g/L Temperature (T) = 23.0°C = (273.15 +23) K = 296.15 K Note:…

Q: A 0.0125-g sample of a gas with an empirical formula of CHF2 is placed in a 165-mL flask. It has a…

A: The molecular formula of the compound has to be determined.

Q: Question attached

A: The given data contains, mass of unknown compound =2.50 g volume =875 ml Pressure =685 mm Hg…

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

A:

Q: 7.596×10-4 mol of CF4(g) (tetrafluoromethane gas) is generated into a 131.0 mL headspace, at 25.0…

A: Answer: This question can be solved using ideal gas equation which is the extended form of boyle's…

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: 10. (a) Calculate the amount of gas present in a 500 mL container at 27°C and 1.7 atm of pressure.…

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

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Q: please see attached

A: The volume of a sample argon gas is calculated as,

Q: 22)A 4.50 L sample of NH3 ar 0.835 atm at 225°C reats with excess O2 gas according to…

A: Given volume of NH3 (V) = 4.50 L Number of moles of NH3 given (n) = ? Given pressure (P) = 0.835 atm…

Q: A 7.50 L container holds a mixture of two gases at 35 °C. The partial pressures of gas A and gas B,…

A: The answer is  0.59 atm

Q: A flexible vessel contains 28 L of gas where the pressure is 1.8 atm. What will the volume be when…

A: Given: Initial volume of gas (V1)= 28 L Initial pressure of gas (P1) = 1.8 atm Final pressure of gas…

Q: What is the most nearly the combined volume of 1.0g of hydrogen gas and 7.0g of helium gas when…

A: The volume of a gas depends on the number of moles of gas, temperature, and pressure. The…

Q: 3. A 1.00-L sample of a gas at STP has a mass of 1.759 g. The molar mass of the gas is: [ Select)

A: Volume of gas at STP = 1.00 L Mass = 1.759 g

Q: A volume of 18.0 L contains a mixture of 0.250 mole N2 , 0.250 mole O2 , and an unknown quantity of…

A: Given: Volume of mixture, V = 18.0 L Total Pressure, P = 1.00 atm Temperature of mixture, T = 0oC =…

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: In scientific notation, At 25˚C and 755torr pressure,what will be the volume of 78mol of the He gas…

A: Ideal gas equation. PV=nRT. P is pressure. V is volume. n is number of moles. R is gas constant. T…

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: • At STP, how many grams is 50.0 liters of 02? • A 30.6 g sample of gas occupies 22.414 L at STP.…

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Q: pressure

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Q: 2. An unknown gas sample is collected in a 245 mL container at 25°C and 755 mmHg. a. How many moles…

A: Given :-  Volume of gas = 245 mL  Pressure  = 755 mm Hg  Temperature = 25°C  Mass of gas = 0.356 g…

Q: A sample of gas 935.5 mmHg and occupying a volume of 12.16 L is transferred to a smaller container…

A: Given : P1 = 935.5 mm Hg V1 = 12.16 L V2 = 6.36 L To find : P2 ( New pressure on transferring to…