The density of dry air at 1.00 atm and 34.4 degrees C is 1.15 g/L. Calculate the composition of air (percent by mass) assuming that it contains only nitrogen and oxygen and behaves like an ideal gas.

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Q: if you have a sample of air that weighs 1.6 kg, how many kg of nitrogen are present?

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Q: Please refer to the images

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Q: Freon−12 (CF2Cl2), widely used as a refrigerant and aerosol propellant, is a dangerous air…

A: Volume = 38.1 dm3 .....Or  because 1dm3 = 1L     so, = 38.1 L. Pressure = 1.15 atm Temperature =…

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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: At a given temperature and pressure, it takes 9.07 minutes for a 1.5-L sample of He (helium) to…

A: Answer:- This question is answered by using the simple concept of rate effusion which is inversely…

Q: A 46.0-mLmL sample of gas in a cylinder is warmed from 26 ∘C to 91 ∘C What is its volume at the…

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Q: 1.Calculate the final volume when 125 mL of argon gas undergoes a pressure change from 705 mmHg to…

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Q: The molar mass of helium (He) is approximately twice that of hydrogen (H,). What is the ratio of the…

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Q: As NH3(g) is decomposed into nitrogen gas and hydrogen gas at constant pressure and temperature, the…

A: Interpretation - We have to explain why  NH3(g) is decomposed into nitrogen gas and hydrogen gas at…

Q: Consider the following reaction: 2 NH3 (g)   +   3 Cl2 (g)   →   N2 (g)   +   6 HCl (g) A mixture…

A: Consider the following reaction: 2 NH3 (g)   +   3 Cl2 (g)   →   N2 (g)   +   6 HCl (g) The given…

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A: Mass of N2O in cylinder = 3.40 kg = 3400 gmolecular weight of the nitrous oxide = 44.013 g/mol.No of…

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Q: Calculate the total mass (in kg) of nitrogen, oxygen, and carbon dioxide gases in the atmosphere.…

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A: Given information: Temperature = 345 K

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Q: The human body burns glucose (C6H12O6) for energy according to this chemical reaction: C6H12O6+6O2→…

A: The human body burns glucose (C6H12O6) for energy according to this chemical reaction: C6H12O6  +…

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Q: Propane burns in air according to the equation: C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(g). What volume…

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Q: (a) Find the density in SI units of air at a pressure of 1.00 atm and a temperature of 20 °C ,…

A: The density can be calculated by using ideal gas equation as follows

Q: A sample of oxygen gas initially at 329 K was heated to 383 K. If the volume of the oxygen gas…

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Q: 3. Oxygen travels at a velocity of 29.0 m/s. At what velocity would SF4 travel under the same…

A: Given velocity of oxygen = 29 m/s Formula to find  the velocity O2/SF4 = ( x/29) 1/2

Q: You are working in an oil refinery . Where you use hydrocarbon gases like methane ( CH4 ) , ethane (…

A: Solution - According to the question- Value provided in the  question- Molar mass of CH4 = 12 + 4 *…