A balloon contains 400 mmHg N2, 25 mmHg He, and 85 mmHg H2with a total pressure of 750 mmHg.What is the partial pressure of O2

Q: In a gas mixture, the partial pressures are argon 415 mmhg, neon 75 mmhg, and nitrogen 125 mmhg.What…

A: Answer :- Ptotal = 615 (mmHg)  The total pressure exerted by the gas mixture = 615 mmHg…

Q: 9. What is the pressure of hydrogen gas collected over water at 21°C if the pressure of the mixture…

A:

Q: A very flexible helium-filled balloon is released from the ground into the air at 20. °C. The…

A:

Q: A sample contains 10.5 g N2 (MW = 28.02 g/mol), 6.5 g He (MW = 4.00 g/mol), and 34.6 g CO2 (MW =…

A: Given : Mass of N2 = 10.5 g Mass of He = 6.5 g Mass of CO2 = 34.6 g And total pressure of mixture =…

Q: What is the volume for 1.00 mole of gas at STP? _______L

A: Given that,  Number of mole of gas=1.00 mole Know that, standard volume= 22.4L / mol We know that,…

Q: A sample of gas has a volume of 200. mL at 20.0°C. What will be its volume at 40.0°C, pressure…

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

Q: A 0.4366 g sample of a compound of carbon, oxygen and hydrogen is burned completely and 453 mL of…

A: Given: mass of compound = 0.4366 g

Q: Ised a standard pressure of 02(g), which is not very reasonable even in air (air is only 20% 02). A…

A: Le Chatelier’s principle states that when there is a change in the temperature, volume, pressure, or…

Q: The combustion of octane, C, H, proceeds according to the reaetion shown. 18 2 C,H18() + 25 O,(g) →…

A:

Q: A gas with an initial pressure of 2.51 atm has a volume of 6.38 L. If the volume expands to 8.92 L…

A: P1=2.51atm V1=6.38L V2=8.92L P2=? Used Formula-> P1 V1=P2 V2 1atm =760mmHg

Q: eengonggs lle pnibuloni bns tow eldog lA. eldiesoge . A sample of air occupies 1.33 L at STP. If the…

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

Q: A gas cylinder contains 1.40 mol He,1.40 mol He, 1.10 mol Ne,1.10 mol Ne, and 2.10 mol Ar.2.10 mol…

A: The gas cylinder contains helium, neon and argon.

Q: Calculate the volume of dinitrogen oxide gas formed at 250 °C and 1 atm when 5.00 g of ammonium…

A: Ideal gas equation :- PV = nRT  V = nRT/P  V = volume of N2O n = no. Of moles of N2O R= universal…

Q: The earth's atmosphere consist of the 78.09% N2, 20.95% O2, 0.92% H2O, 0.03% CO2, and 0.01% other…

A: Percentage of CO2 or for solving question we can say that Mole fraction  of CO2 is 0.03

Q: When excess nitric acid reacts with 1.70 g of iron, 842 ml of hydrogen gas is collected over water.…

A: The reaction given is, => Fe (s) + HNO3 (aq) → Fe(NO3)2 + H2 (g) Given: Mass of Fe reacting =…

Q: Aluminum, an active metal, reacts with hydrochloric acid in a single displacement reaction.  If I…

A: The reaction taking place between is,

Q: A 0.3177  g sample of a compound of carbon, nitrogen and hydrogen is burned completely and  326 mL…

A:

Q: A 2.85-L flexible flask at 13degrees celsius contains a micture of N2, He and Ne at partial…

A: a) According to Dalton's law, the total pressure of any gaseous mixture is given by  Total pressure…

Q: Aluminum reacts with excess hy drochloric acid to form aqueous aluminum chloride and 44.9 mL of…

A: Given: Volume of hydrogen gas evolved = 44.9 mL = 0.0449 L…

Q: Three flasks, each containing a gas sample, are set up as shown below. Assuming no temperature…

A: According to Boyle’s law, the gas involving initial pressure, volume and final pressure, volume cab…

Q: If p= 782.4mmHg, Find V if n= 0.102mol; T= 26.2 C

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Q: A helium-filled weather balloon has a volume of 774 L at 14.9°C and 753 mmHg. It is released and…

A: As you have posted two different questions and are not the sub-parts, so , here i have answered the…

Q: For the balanced reaction below, what volume of nitrogen monoxide gas would be required to…

A:

Q: Suppose 10.00  mol of Ar gas are pumped into a 1.850  L container at 298.150 K. Calculate the…

A: Given data,Moles of Ar=10 molVolume=1.850LTemperature=298.150Ka=2.349 atm/mol2b=0.03978L/mol

Q: another: A 1.00 L sample of dry air contains 0.0319 mol N2, 0.00856 mol O2, and 0.000381 mol Ar. If…

A:

Q: over water at 200C. The wet gas occupies a volume of 244 ml. at a total pressure of 759 mmHg. a)…

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Q: A balloon is filled with 15.0 L of helium at 25oC and a pressure of 685 mmHg. What would be pressure…

A: A He balloon whose pressure at the upper atmosphere is to be determined.

Q: If 0.500 mol of gas occupies 0.050 L at 25 °C, what is the pressure exerted by the gas (in atm.)?…

A: Given, Number of moles, n = 0.500 moles Volume of gas = 0.050 L Temperature = 25°C K = 273 + °C…

Q: Akila wanted to buy a helium tank to fill up all the balloons she needed for a birthday party. If…

A: The laws that relate to the terms like pressure, temperature, and volume are called gas laws. They…

Q: estion 30 of 45 > The combustion of octane, C,H8, proceeds according to the reaction shown. 2…

A:

Q: A balloon contains 230 g He at a pressure of 1atm. The initial volume of the balloon is 1300L. The…

A:

Q: A rigid chamber contains three gases: H,O, O, and N2 - each has the same partial pressure of 0.934…

A: Acc To Dalton law of pressurePTotal  = PH2O  + PO2   + PN2PTotal  = (0.934 + 0.934 + 0.934 )…

Q: Represent 13.7 kPa. in mmHg? O A. 1.37 x 10* mmHg O B. 18.0 mmHg C. 103 mmHg D. 1.80 x 10-2 mmHg O…

A: conversion of kPa into mmHg.

Q: 5.48 Calculations show that a reaction should yield 5.67 g of carbon dioxide gas, CO2. What volume…

A: Given that Mass of CO2 produced = 5.67 g Temperature = 26 °C = 26 +273 = 299 K Pressure = 782 mm Hg…

Q: 4.00 g of hydrogen peroxide (MM = 34.02 g/mol) is placed in a sealed 252 mL container at 504 K. What…

A: Given data,Mass of H2O2=4.00gVolume=252mL=0.252LTemperature=504K

Q: Three flasks, each containing a gas sample, are set up as shown below. Assuming no temperature…

A: Total volume of gases can be calculated as

Q: A 4.00 L sample of CO2 was collected over water at a total pressure of 1.56 atm and 20°C. The water…

A: Given data: Volume = 4.00 L Temperature = 20 oC = 293 K Total pressure = 1.56 atm

Q: The barometric pressure is generally given in units of inHg. Convert inHg to atm. Recall that 2.54cm…

A: For converting inHg to mmHg we will do the following:-                   1 inch = 2.54cm ⇒1inHg =…

Q: C,HBO7(s) +3 NaHCO3(s) + H2O(1) --> NagCgHgO7(s) + 3H2O(I) + 3CO2(g) 228.2 g C6H807(s) is reacted at…

A: Given Temperature = 265 K Volume = 158 L Mass of C6H8O7 = 228.2 g Molar Mass of C6H8O7 = 192.1 g/mol

Q: 4.Asampleof62.3cm3of argon gas at 18 °C was contained at a pressure of 155kPa in a J- shaped tube…

A: Given :   Volume = V1         = 62.3 cm3 Temperature = T1 = 18°C  Volume = V2         =  61.2 cm3…

Q: Convert 25 atm to mmHg. 1 atm = 770 mmHg. %3D Show Your Work

A: Given that : 1 atm = 770 mm Hg 25 atm convert into mm Hg =?

Q: Normal tire pressure is approximately 32PSI at 78ﾟF tires normally will blow out at temperatures…

A: Given data,Initial pressure(P1)=32PsiInitial temperature(T1)=78oFFinal temperature(T2)=400oF

Q: Aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 23.7 mL of…

A: reaction between Al&HCl 2 Al (s) + 6HCl (aq) ------>2 Al Cl3 (aq) +3 H2(g)

Q: A 40.3 L cylinder of Ar(g) is connected to an evacuated 1855 L tank. If the temperature is held…

A: Since you have posted multiple questions , as per guidelines we can solve only one question per…

Q: Search...…

A: According to Dalton’s law, the total pressure exerted by each gas in a mixture is equal to the sum…

Q: Ibs are 47. Consider two bulbs separate maintained at the same temperature. Assume that when the…

A: Concept: The IDEAL GAS EQUATION is as follows: PV= nRT WHERE, P= Pressure of the gas V= Volume of…

Q: be a significant source of air pollution. The Kilauea volcano in Hawaii em 200–300t (1t= 10°kg) of…

A:

Q: collected in a reaction where 215mL of oxygen gas is collected over water at a temperature of 25 ∘C…

A: We will use ideal gas equation to get the answer.

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.