What percent of the earth's atmosphere is comprised of oxyger O 78.084% 42.732% 67.392%

Q: How many grams of iron oxide are produced from 15.OL of oxygen at STP? (Fe203 = 159.7g/mol) %3D 2…

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Q: In the atmosphere, is it more common to find two oxygen molecule to joined together than find a…

A: Oxygen is found naturally as a molecule. Two oxygen atoms strongly bind together with a covalent…

Q: The average daily mass of O2 taken up by sewage dischargedin the United States is 59 g per person.…

A: The average daily mass of 02 taken up by sewage discharged in the United States is 59 g per person.…

Q: What volume of hydrogen will be produced at STP if 67.30 g of magnesium is reacted with an unlimited…

A: Number of Moles= Given Mass / Molar Mass

Q: If 33.7g of Methane, CH4 was burned in the presence of excess oxygen, what volume of water vapor,…

A: We know the balanced Chemical reaction of the burning of methane. From there we see that 33.7g of…

Q: The Nitrogen and Sulphur dioxide gases are precursors of ___?___ when reacted with water in clouds.

A: Ans -  The nitrogen and sulfur dioxide gases are precursors of Nitric acid and Sulfuric acid…

Q: Calculate the weight of KCIO3 in grams that would be required to produce 29.5 L. of oxygen measured…

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

Q: At 16°C and 794 mmHg. 2.30 L of oxygen gas reacts with an excess of phosphorus. How many grams of…

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Q: The car has a fuel efficiency of 32 miles per gallon of octane; determine the volume of CO2 at 25°C…

A: We have, C8H18 (d= 0.703 g/cm3)2 C8H18 + 25 O2 → 16 CO2 + 18 H2O The fuel efficiency of the car =32…

Q: How many grams of iron(III) carbonate decompose to give 50.3 mL of carbon dioxide gas at STP?…

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Q: Summarize the causes and effects of radon gas on health. How can it be controlled?

A: Sources of Radon exposure: 1. Soil :  Radon gas is a element found in soil and rocks.  Radon gas…

Q: What volume of chlorine gas, measured at STP, is necessary for the complete reaction of 5.02 g of…

A: Given information, Molar mass: Al =  26.98 g/mol, Cl2 = 70.90 g/mol, AlCl3 = 133.34 g/mol     2…

Q: A prevailing pressure of one standard atmosphere will support a column of mercury 760 mm in height.…

A: In mercury column the height is 760mm and density of mercury is 13.6 g/mL. The density of liquid…

Q: The chemical reaction shown below is carried out in two flasks with balloons attached to the top to…

A: According to the given chemical equation, 1 mole of Mg requires 2 moles of HCl to react completely.…

Q: produced. Write balanced equations for both reactions and identify the gases formed. + hydrogen vgas…

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Q: Suppose we have a 12.2 L sample containing 0.50 mol oxygen gas (O2) at a pressure of 1 atm and a…

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Q: What is the mass (in grams) of 5.00 L of CO2 at STP?

A: Principle: Molar Volume is defined as the volume occupied by one mole of any gas at STP(Standard…

Q: Oxygen was produced and collected over water at 22 °C and a pressure of 754 mmHg from the following…

A: Total pressure = 754 mm Hg Pressure of water = 21 mm Hg Pressure of oxygen gas = P Total pressure =…

Q: What is the Atmosphere layers in a mercury.

A: Mercury is the near most planet in our solar system. Let talk about its atmosphere -

Q: 31. What volume of H2 would be produced from the reaction of 225 grams of Zinc under conditions of…

A: Zinc metal reacts with hydrochloric acid to form zinc chloride and hydrogen gas. The equation for…

Q: Calculate the density of nitrogen gas, 2 points in grams per liter, at STP. * O 0.625 g/L O None of…

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Q: P4(g) + Br2(g) --> PBr3(g) What volume of bromine gas at 20 oC and 789 mmHg must be used to…

A: Since molar mass of phosphorus tribromide = 270.7 g/mol Hence moles of phosphorus tribromide to be…

Q: As you go higher in the Earth’s atmosphere, the ratio of N2 molecules to O2 molecules increases.…

A: Introduction: We have to tell why the ratio of N2 molecules to O2 molecules increases as we move…

Q: mass

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Q: What would happen to the plaster paste if there was no carbon dioxide in the atmosphere?

A: Solution Plaster is a building material used to protect or decorate walls and roofs and to mold and…

Q: Calculate the density of uranium hexafluoride (UF6) with pressure of 697 mmHg at 57oC temperature.…

A: Given: Pressure (P) = 697 mmHg P=697760 atm    ∵ 1 mmHg=1760 atm Temperature (T) = 57°C T=57+273…

Q: 7. A 5.0 L of sulfur hexafluoride is collected at 205.0°C and 350 kPa. What pressure must be applied…

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Q: In questions 5 and 6, assume 1.00 mol of any gas occupies 22.40 L at standard temperature and…

A: Since you have posted multiple questions, we will solve the first two questions for you since they…

Q: How many grams of oxygen are required to produce 46.2 g of water vapor?

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Q: What is the total pressure for a mixture of hydrogen, nitrogen, and ammonia? O PN2 + PH2 / PNH3 O…

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Q: Determine the density of O2 gas at 1.1 atm and 29 °C. O 2.2 g/L 0.28 g/L O 1.9 g/L O 0.98 g/L

A: Given, Pressure (P) = 1.1 atm  Temperature (T) = 29°C = (29 + 273.15) K = 302.15 K Density of O2 gas…

Q: ____ NaHCO₃, → ____ CO₂ + ____H₂O + _____Na₂CO₃  Suppose you want to produce 2.00 L of CO2 at STP…

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Q: What is the mass in gas of .098L of SO 2 at STP? (m=\#L, molar mass of SO 2 /22.4L)

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Q: If the concentration of carbon dioxide in the atmosphere is 400 ppm, how many CO2 molecules are…

A: To calculate molecules of CO2 , we would first calculate volume of CO2 using volume of air and ppm…

Q: Some chemical reactions are sensitive to air (oxygen or moisture), they are conducted under nitrogen…

A: In some cases, the reactant, the reagent or the product produced can be air sensitive. Being air…

Q: How many grams of sodium hydrogen carbonate decompose to give 18.8 mL of carbon dioxide gas at STP?…

A: AT STP,V = 18.8 m L = 18.8/1000 = 0.0188 LT = 273.15 KP = 1 atm R = 0.082057 L atm mol-1K-1 n =__…

Q: 5) 45.0g of propane are burned in excess air when cooking dinner on the outdoor grill. How many…

A: Reaction equation :C3H8g + 7O2g →          3CO2g + 4H2OgMass of propane burned = 45 grams.

Q: Determine the density of CO2 gas at STP. O 4.46 g/L O 1.96 g/L O 5.10 g/L O 2.24 g/L O 1.80 g/L

A: Determine the density of CO2 gas at STP ?

Q: What volume (in mL) of hydrogen gas will be generated when 0.0350 grams of magnesium are placed into…

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Q: What's the explanation behind why carbon dioxide is heavier than air?

A: Avogadro's law According to  Avogadro's law, volume of a gas s directly proportional to the number…

Q: What volume does 1.5 x 1024 molecules of CO2 occupy at STP7

A: Since we know that one mole of a gas at STP has 22.4 L volume.  And we also know that  1 mol any…

Q: Ch 11: At what percentage does lack of Oxygen cause loss of consciousness and potential death? 21% O…

A: If Oxygen level in atomsphere 25% percentage then Increasing fire risk.  Safe zone for human and…

Q: Calculate the grams of SO2 gas present at STP in a 5.9 L container. (Atomic weights: S=32, 0=16) O…

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Q: The average temperature of the surface of Earth has increased approximately 1 degree Celcius in the…

A: Average Earth's temperature is increasing due to the release of greenhouse gases in the atmosphere…

Q: 19. 1.18 g of Ar(g) occupies 2.00 L. container at the temperature of 25 °C. Calculate the pressure…

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Q: Oxygen gas formed by the decomposition of potassium chlorate was collected on the water. The volume…

A: The given problem can be solved by using Ideal gas equation as: PV=nRT…