Calculate the density of Freon 12 in g/L, CF2Cl2, at 35.0 °C and 0.962 atm.  Freon-12 is a major cause of the destruction of ozone in the atmosphere which helps to protect us from Ultraviolet light.   You can either use the equation for the density of gases that is in the Open Stax, or first solve for Liters using PV=nRT and then solve for density = g/L

Q: Copper reacts with nitric acid according to the following equation. Cu(s)  +  4 HNO3(aq)  →…

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Q: :uouenb C,H&O7(s) +3 NaHCO3(s) + H2O(1) --> NagC,H8O7(s) + 3H20(1) + 3CO2(g) 188.7 g C6H807(s) is…

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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: STP (standard temperature and pressure) is used as a reference point for the molar volume of an…

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Q: A sample of gas contains 0.1600 mol of N2(g) and 0.4800 mol of H2(g) and occupies a volume of 27.7…

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Q: command option 11. If 1.56 mol of oxygen gas exerts a pressure of 24 psi at 21°C, what is the volume…

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Q: What is the density (in g/Lg/L) of hydrogen gas at 24 ∘C∘C and a pressure of 1670 psipsi?…

A: Density (d) =massvolume = mV

Q: Hydrogen peroxide (H2O2) decomposes over time according to the following equation: 2H2O2 (l) = 2H2O…

A: Ideal gas equation is  PV = nRT  P = pressure  V = volume  n = moles of gas = mass/molar mass R =…

Q: How many moles of O_{2}2​ molecules are present in a 0.301 L sample of dry air at 0.0395 atm and…

A: The number of moles of dry air can be calculated by using the ideal gas equation, which is,

Q: STP (standard temperature and pressure) is used as a reference point for the molar volume of an…

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

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Q: Consider the formation of nitrogen dioxide from nitrogen monoxide and oxygen:             2 NO(g)…

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Q: A mixture used by divers for breathing purposes contains 34.3% helium (He), 51.7% nitrogen (N2) and…

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Q: Space equippe reaction to generate oxygen. LICIO, (s) → LICI (s) + 2 02 (g) Determine the mass (in…

A: Applying ideal gas equation  PV = nRT where P = pressure, V = volume  n = moles, R = gas constant, T…

Q: What volume in liters of H₂ gas would be produced by the complete reaction of 2.93g of Al solid at…

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Q: A sample of magnesium metal reacts completely with an excess of hydrocholoric acid: Mg(s) + 2…

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Q: A 0.530 mol sample of carbon dioxide gas occupies a volume of L at STP.

A: STP refers to standard temperature and pressure conditions. At STP, the standard temperature is 0oC…

Q: How many milliliters of O2 are consumed in the complete combustion of a sample of hexane, C6H14, if…

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Q: 294.66g of Ca(CN)2 have what volume as a gas @ STP?

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Q: 6. Which of the following is NOT one of the uses of hydrogen gas? (A) Production of hydrazine (N2H4)…

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Q: A sample of gas in a balloon has an initial temperature of 27 ∘C and a volume of 1800 L . If the…

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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: A student weighs out 0.0422 g of magnesium metal. The magnesium metal is reacted with excess…

A: The balanced reaction of Mg with HCl is as follows: Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) Calculation of…

Q: For the equation below. if you start with 2.54 X 1023 molecules of C₂H6, what pressure (in atm) will…

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Q: A closed vessel of fixed volume contains 20.0 g of CO2(g) exerting a pressure of 2.25 atm. Some…

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Q: A gas has a density of 2.55 g/L at 54 °C and P = 0.914 atm. What will be its density at 194 °C?…

A: P = pressure V = volume T = temperature n = moles of gas  m = mass of gas  M = molar mass of gas  d…

Q: STP (standard temperature and pressure) is used as a reference point for the molar volume of an…

A: Given: At STP  Temperature, T = 0°C, Pressure, P=1 atm Molar volume= 22.4 L /mol

Q: What is the density of ammonia gas, NH3, at 33°C and 757 mmHg? Obtain the density in grams per…

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Q: 2NO-3(aq) + 5CO(g) + 2H+(aq) -> N2(g) + H2O(l) +5CO2(g)…

A: The given reaction is  2NO3-(aq) + 5CO(g) + 2H+(aq) → N2(g) + H2O(l) + 5CO2(g) ......(A)  Mass of…

Q: Pressure-Volume relationship of the unknown virial gas at 25 degrees Celsius. Pressure(atm)…

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Q: what volume of

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Q: A 7.13 L cylinder contains 1.82 mol of gas A and 3.77 mol of gas B, at a temperature of 31.8 °C.…

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Q: A 44.0 L metal cylinder stores a sample of gas at 6 °C under 1.02 atm. The temperature of the…

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

Q: The mass of a sample of gas is 827 mgmg. Its volume is 0.270 LL at a temperature of 88 ∘C∘C and a…

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Q: Consider the following equation: C6H8O7(s)  + 3 NaHCO3(s) + H2O(l) --> Na3C6H8O7(s) + 3H2O(l) +…

A: Given mass of C6H8O7 = 193.6 molar mass of C6H8O7 = 192.1 g/mol Temperature = 313°K volume = 108.4 L

Q: 2C₃H₆ + 9O₂ → 6CO₂ + 6H₂O If 7.07 x 10^23 molecules of C₃H₆ at STP are burned, what volume of CO₂ is…

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Q: What mass of Al₂O3 is produced when 13.2 L of O₂ gas react with Al at 434 K and 5.08 atm. 4 Al(s) +…

A: Given reaction is  4 Al(s) + 3O2 (g) →2Al2O3 (g) Temperature= 434 K Pressure = 5.08 atm Volume =13.2…

Q: You want to store 156 g of CO2 gas in a 17.5-L tank at room temperature (25 °C). Calculate the…

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Q: You want to store 137 g of CO₂ gas in a 15.3- L tank at room temperature (25 °C). Calculate the…

A: Given: The mass of CO2 = 137 g The volume of the tank = 15.3 L Temperature = 25 ∘C We have to…

Q: If water is added to magnesium nitride, ammonia gas is produced when the mixture is heated. Mg3N2(s)…

A: Given: Mg3N2(s)+3H2O(l)→3MgO(s)+2NH3(g) Mass of H2O=5.25 g To find: Volume of ammonia gas at STP…

Q: Consider the unbalanced chemical equation below: CaSiO3 (s) + HCl (g) --> CaCl2 (aq) + SiCl4 (g) +…

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Q: Calculate the density of freon -12 (CF2Cl2) at 26.9 oC and 1.143 atm. density = ___  g/L

A: R=Gas constant (0.0821Latm.K-1mol-1) P=Pressure(atm) M=Molar mass(g/mol) T=Temperature(K)

Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

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Q: What pressure of H, gas is produced if 42.28 g of Al is reacted with excess HCl in a sealed 15.1 L…

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Q: What is the total pressure (in atm) in a 10.0 L flask that contains 0.127 mol of H2 (g) and 0.288…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: Consider the following balanced equation. 4 FeS2 (s) + 11 O2 (g) → 2 Fe2O3 (s) + 8…

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Q: /hat is the density of ammonia gas, NH3, at 33°C and 753 mmHg? Obtain the density in grams pe ensity…

A: Given: Temperature = 33°C Pressure = 753 mmHg

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

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Q: Consider the following balanced reaction: 2 Z(g) + 4 A(g) → 3 Y(g) + 2 B(g) Occurs at STP   a.…

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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.