in chemical analysis of a gas compound, it was observed that it contains 33.0% Silicon (Si) and 67.0% fluorine (F) by mass. At 35 °C, 0.210 L of the compound had a pressure of 1.70 ATM. If the mass of 0.210 L of the compound is 2.38 g, calculate the molecular formula of the compound?

Q: What is the mole fraction of NO in a 55.0-L gas cylinder at 30°C which comes from a mixture of N2and…

A: Given information:Volume of gas cylinder = 55.0 LTemperature = 30 °CMoles of nitrogen gas = 3.238…

Q: A gas mixture contains He, Ne, and H,S at partial pres- sures of 125, 175, and 225 mm Hg,…

A: Dalton's law of partial pressure states that, the total pressure of a mixture of gases occupying a…

Q: What is the new pressure of the gas if an ideal gas is contained in a cylinder with a volume of 5.0…

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Q: A gas mixture consists of N2, SO2, and Ar, where the mole fraction of N2 is 0.55 and the mole…

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Q: 2. A canister containing a gas is subjected to a pressure of 740 torr. The molar mass of the gas is…

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

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: At 1°C a 1.0-L flask contains 5.0 x 10 ^-2 mole of N2, 4.0 x 10^2 mg O2 , and 3.1 x 20^21 molecules…

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Q: a steel cylinder with a volume of 1.50 L contains 10.0 moles of oxygen, under what pressure is the…

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Q: Solid manganese and nitrogen gas react to form solid manganese(IV) nitride. Write a balanced…

A: When solid manganese reacted with nitrogen gas, then Manganese(IV) nitride formed as product. A…

Q: Xenon and fluorine will react to form binary compounds when a mixture of the two gases is heated to…

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Q: 5. When 40.0 liters of oxygen gas at 20.0 °C is compressed to 3.00 liters, what must the new…

A: COMPRESSION OF GAS: Gases can be compressed in order to enhance the pressure of the gas. When gases…

Q: A mixture of hydrogen gas and oxygen gas exerts a total pressure of 3.0 atm on the walls of its…

A: Given total pressure = 3.0 atm Partial pressure of hydrogen = 1.65 atm Mole fraction of oxygen can…

Q: The decomposition of calcium carbonate produces calcium oxide and carbon dioxide according to the…

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Q: A 0.11 g of H2O2(l) decomposes to O2 (g) and H2O(g) in a 2.5L flask at 25C? What is the pressure for…

A: Given:Mass of H2O2 = 0.11 g.Volume of flask = 2.5 L.Temperature = 25 oC = 298 K.Chemical reaction of…

Q: What volume in liters of fluorine gas is needed to form 999 L of sulfur hexafluoride gas if the…

A: We are given 999 L of sulfur hexafluoride gas  2.00 atm and 273.15 K: S(s)+ 3F₂(g) → SF₆ (g)

Q: CaCO3(s)⇄CaO(s)+CO2(g) When heated strongly, solid calcium carbonate decomposes to produce solid…

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Q: Sodium chloride and oxygen may be combined to produce sodium chlorate. If 426 mg of product is to be…

A: The balanced reaction is – 2NaCl +3O2 →2NaClO3

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: Liquified petroleum gas (LPG) is propane stored under sufficient pressure to liquify it. When a tank…

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: What will the total pressure be in a 2.50L flask at 25 degrees Celcius if it contains 0.016 mol of…

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Q: Calculate the density (in g/L) of Freon-12, CF2Cl2, at 32.2°C and 0.968 atm.

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: An investigator is told that a closed vessel holds a pure rare gas. She measures the density of the…

A: The density of the gas, d = 0.8252 g/L Temperature of the gas, T = 298 K Pressure of the gas, P = 1…

Q: A flask contains a mixture of 2.20 g of CO2 gas and 4.80 g of O2 gas, at a total pressure of 1.00…

A: A flask contains a mixture of 2.20 g of CO2 gas and 4.80 g of O2 gas, at a total pressure of 1.00…

Q: A balloon contains a 1.5 mole mixture of 75% CO, and 25% oxygen gas. If the temperature of the…

A: Total number of moles = 1.5 Partial pressure of Gas (P') = Pm × mole fraction PCO2 = 1.5×(75/100) =…

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: Atmospheric pressure on the peak of Mt. Everest can be as low as 150. mm Hg, which is why climbers…

A: Given data, P1=30,400 mm HgP2=150 mm HgV1=10 L To calculate the new volume.

Q: A mixture of krypton and nitrogen gases contains krypton at a partial pressure of 290 mm Hg and…

A: This question is based on Dalton's law, before starting your question you have to read atleast basic…

Q: 3) 1.11 x 103 moles of nitrogen gas are contained in a 400. mL container at 25.1 °C. If the…

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Q: Calcium carbonate, CaCO3(s), the principal compound in limestone, decomposes upon heating to CaO(s)…

A: Given, P = 1.3 atm V = 250 mL T = 310C

Q: A rigid gas cylinder contains 370 grams of oxygen gas at 30 atm and 25oC. What must be the final…

A: According to the our policy we should solve one question, if any subparts present then first three…

Q: For the decomposition reaction PCl5(g) = PCl3(g) + Cl2(g), it was determined that when 0.200 mol of…

A: Given: Volume of PCl5 = 1.50 L Moles of PCl5 = 0.2 moles Decomposition of PCl5 = 35%  Temperature of…

Q: If a gaseous mixture is made by combining 1.29 g Ar and 2.46 g Kr in an evacuated 2.50 L container…

A: The total pressure of a mixture of two non reacting gases is given by  PtotalV = (n1+n2)RT  Ptotal =…

Q: The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes…

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Q: Calculate the pressure equilibrium constant KP for the equilibrium between nitrogen monoxide oxygen…

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Q: To prevent a condition called the “bends,” deep-sea divers breathe a mixture containing, in mole…

A: Assuming we have total 100 moles  => moles of oxygen = 10 % of 100 = 10 moles moles of nitrogen =…

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

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Q: CaCO3(s)⇄CaO(s)+CO2(g) When heated strongly, solid calcium carbonate decomposes to produce solid…

A: Moles of CaCO3 used = 2.0 mol Volume of vessel = 100.0 L The time at which pressure In the vessel…

Q: 1-What is the molar mass of a gas if 12.0 g of the gas occupies 197L at 3.80x102 torr and 127 oC?

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Q: The air bags in automobiles were once inflated by nitrogen gas generated by the rapid decomposition…

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Q: A mixture of xenon and methane gases contains xenon at a partial pressure of 354 mm Hg and methane…

A: Partial pressures of xenon and methane are given. We have to calculate the mole fractions of Xe and…

Q: Xenon hexafluoride was one of the first noble gas com-pounds synthesized. The solid reacts rapidly…

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Q: A study of the effects of certain gases on the plant growth requires a synthetic atmosphere composed…

A: The mole percentage of each gas is the percentage of the number of moles of each gas in the…

Q: The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes…

A:

Q: CaCO3(s)⇄CaO(s)+CO2(g)  When heated strongly, solid calcium carbonate decomposes to produce solid…

A: Given information:  Moles of CaCO3 = 2.0 mole. Volume of vessel = 100 Litre Temperature = 898°C +…

Q: In the fermentation of glucose (wine making), a volume of 780 mL carbon dioxide gas was produced at…

A: Given:V1=780mL=0.78L                             V2=?T1=273.15+37K=310.15K…

Q: Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime…

A: According to ideal gas law the volume of a gas is directly proportional to the number of moles,…

Q: Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime…

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.