A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass. A 5.25g sample of this gas occupies a volume of 1L and exerts a pressure of 1.26 atm at -4 degree Celsius. What is the molecular formula of this gas?

Q: A mixture of nitrogen and xenon gases, at a total pressure of 897 mm Hg, contains 3.22 grams of…

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Q: A sample of gas of mass 3.66 g  occupies a volume of 515 mL  at 48 oC  and 0.24 atm  pressure. What…

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Q: What is the temperature, in degrees celcius, of 1.50 moles of neon (Ne) gas confined to a volume of…

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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: The given data contains, Moles of N2 = 0.250 mole. Moles of O2 = 0.250 mole. Total pressure = 1.00…

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: A mixture of nitrogen and carbon dioxide gases, at a total pressure of 836 mm Hg, contains 2.18…

A: Given- Total pressure of mixture = 836 mmHg Mass of nitrogen = 2.18 g Mass of carbon dioxide = 9.48…

Q: A gas mixture with a total pressure of 2900 torrtorr is used by a scuba diver. If the mixture…

A: Numbers of moles is calculated by dividing the given mass with molecular mass of compound.

Q: A 521 mL sample of gas contains 0.0354 moles and kept at 307 K. What is the pressure of the gas in…

A: The law of an ideal gas is mathematically expressed as: PV = nRT           .............. (1) P is…

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

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Q: A sample of helium gas at a pressure of 786 mm Hg and a temperature of 26 °C, occupies a volume of…

A: Given :-  Initial temperature (T1) = 26°C  Initial volume (V1) = 6.59 L  Final temperature (T2) =…

Q: An 8.00-g sample of a gas occupies 22.4 L at 2.00 atm and 273 K. What is the molar mass of the gas?

A: Given that -  Mass of the gas = 8.00 g  Volume of the gas = 22.4 L  Pressure of the gas = 2.00 atm…

Q: What is the temperature, in K, of a 1.0 mole sample of gas that initially had a pressure of 1.01…

A: The final pressure in the atm is determined as follows. P2=767.6 torrP2=767.6 torr760 torr/atm=1.01…

Q: A high altitude balloon is filled with 1.41 x 104 L of helium gas at temperature of 21 oC and 1.00…

A: For part a): According to Ideal gas equation: PV=nRT 1 x1.41 x 104 =n x 0.0820 x (273+21)…

Q: What is the temperature, in celcius, of 5.23 moles of helium (He) gas confined to a volume of 5.23 L…

A: Given that : Number of moles of He (n) = 5.23 moles Volume (V)= 5.23 L Pressure (P)= 5.23 atm Let…

Q: A mixture of helium and carbon dioxide gases, at a total pressure of 920 mm Hg, contains 1.38 grams…

A: Given: Total Pressure of the mixture(Pt)= 920mmHg Mass of Helium gas = 1.38 g Mass of Carbon dioxide…

Q: A gas mixture contains He, Ne, and H2S at partial pressures of 125, 175, and 225 mm Hg,…

A: Interpretation -  To determine the partial pressure in the milliliters of mercury of Ne when a…

Q: A gaseous mixture containing 7 moles of nitrogen, 2.5 moles of oxygen and 0.50 mole of helium exerts…

A: Concept: Partial Pressure: it can be define as if a container filled with more than one gas, each…

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…

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Q: What is the temperature, in degrees Celsius, of 2.50 moles of neon (Neon) gas confined to a volume…

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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: A mixture of helium and methane gases, at a total pressure of 698 mm Hg, contains 0.480 grams of…

A: Partial pressure of gas is defined as the contribution of that gas towards total pressure of the…

Q: A sample of hydrogen gas at a pressure of 953 mm Hg and a temperature of 24 degree celcius,occupies…

A: Charles law is applicable to an ideal gas. According to this law at constant pressure, the volume of…

Q: A gas occupying a volume of 640.0 mL at a pressure of 0.834 atm is allowed to expand at constant…

A: The details solution for this is provided below in attach image.

Q: What is the temperature, in degrees Celsius, of 5.23 moles of helium (He) gas confined to a volume…

A: The ideal gas equation is given by: PV = nRT Here, P is the pressure, V is the volume, T is the…

Q: 9. A gas contained in 50L under 8 atm of pressure and at 20°C. How many moles of gas are there in…

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Q: A sample of hydrogen gas occupies a volume of 6.42L at 49.0 degrees Celsius and.770 atm. If it is…

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Q: . g of CO2 gas (molecular weight  44 g/mole) occupies 10.0 L at 350 K, what is the pressure of this…

A: Ideal gas is also called a perfect gas. Ideal gas is a gas in which pressure P, volume V and…

Q: A sample of 356 g of phosphine (PH3) gas is contained at a temperature of 23oC and a pressure of 8.2…

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

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Q: The volume of a gas sample at 0 degree celsius and 1.0 atm is 10.0 L. How many moles of gas are…

A: Given values: Temperature = 00 C Pressure = 1 atm Volume = 10 L The number of moles (n) are needed…

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 2.35 g Ar are added to 4.43 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: What volume does 0.118 mol of helium gas at a pressure of 0.97atm and a temperature of 305K occupy

A: Applying ideal gas equation PV = nRT

Q: How many moles of gas are present in a 2500 mL cylinder at a pressure of 2.4 atm and a temperature…

A: The moles of gas present in the cylinder is = 0.254 mol

Q: 62.0 g of nitrogen at 100oC is in a 155.0 L container. How much nitrogen, in grams, must be removed…

A: Answer is explained below.

Q: Assume that an exhaled breath of air consists of74.8% N2, 15.3% O2, 3.7% CO2, and 6.2% water…

A: a) Calculation of partial pressure of each gas: Partial fraction=Mole…

Q: If 1.79 g Ar are added to 1.18 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: If 1.52 g Ar are added to 3.41 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: A sample of argon gas at a pressure of 762 mm Hg and a temperature of 22 °C, occupies a volume of…

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Q: A sample of gas of mass 3.82g occupies a volume of 539 mL at 27 ⁰ C and 1.0 atm pressure. What is…

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Q: A sample of helium gas at a pressure of 604 torr and a temperature of 23.6°C, occupies a volume of…

A: Given : P1 = 604 torr   P2 = 903 torr T1 = 23.6 °C     T2 = T1 V1 = 817 ml We know, at constant…

Q: A 628 mL sample of gas contains 0.0370 moles and kept at 368 K. What is the pressure of the gas in…

A: Ideal gas law  is gas law which obeys gas laws under all condition of temperature and pressure.

Q: A gas occupying a volume of 725 mL at a pressure of 0.970 atm is allowed to expand at constant…

A: .  Boyle's law ⇒    According to this law at constant temperature the volume of air ideal gas is…

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:

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…

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Q: If a sample of 4.17 L of ethane gas, C,H, at 725°C is cooled to 175°C at constant volume? pressure,…

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Q: A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass. A 5.25-g sample of the gas occupies a…

A: To solve this problem first we will calculate the number of moles of gas using ideal gas equation…

Q: A compound has the empirical formula SF4. At 20.°C, 0.100 g of the gaseous compound occupies a…

A: Given : Empirical formula = SF4  Temperature = 20 oC Mass of compound = 0.100 g Pressure of compound…

Q: A 12.8 L cylinder contains 35.8 g O2 at 46 degrees C. What is the pressure of this gas in kPa?

A: The ideal gas equation is  PV = nRT P = pressure of gas V = volume  n = moles of gas R = Gas…