In an air-conditioned room at 21.0 ∘C, a spherical bubble had the diameter of 60.0 cm. When taken outside on a hot summer day, the bubble expanded to 61.0 cm in diameter. What was the temperature outside in degrees Celsius? Assume that the bubble is a perfect sphere and that the pressure and number of moles of air molecules remains the same.

Q: What volume of hydrogen gas is produced when 33.2 g of iron reacts completely according to the…

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Q: How many times faster does nitrogen(N2) effuse through a small hole in a vessel compared tochlorine…

A: Graham's Law of effusion: Rate of effusion of a gas is inversely proportional to the square root of…

Q: Which of the three gases will have the highest root-mean-square speed? UF6 F2 NF3 The three gases…

A: 1. Highest root-mean-sqaure speed: Therefore, the highest root-mean-sqaure speed is F2 gas. Correct…

Q: Please create a list of the variable given in each problem and show all your work required to…

A: T1 = 125oC = 398 K T2 = 182oC = 455 K P1 = 1.22 atm

Q: An ordinary gasoline can measuring 30.0 cm by 20.0 cm by 15.0 cm is evacuated with a vacuum pump.…

A:

Q: An ordinary gasoline can measuring 30.0 cm by 20.0 cm by15.0 cm is evacuated with a vacuum pump.…

A: Given: Gasoline Can Dimension = 30.0cm××20.0cm××15.0cm Atmospheric Pressure = 14.7 psi Need to find…

Q: 4. Calculate the pressure exerted by 3 moles of oxygen gas, O2, confined to a volume of 510 mL at…

A:

Q: Q6. (a)The vander waals equation is used to describe the behaviour of real gases but still not so…

A: a) Vander waals equation is not useful in many industrial applications because, Does not accurately…

Q: The airbags in a car are inflated by the decomposition of sodium azide into sodium and nitrogen gas,…

A: The given reaction is : 2NaN3(s)  →  2Na(s)  +  3N2(g) The volume of the inflated airbag = 67.0 L

Q: 2. Which choice describes the difference between real gases and ideal gases? *

A: Which choice describes the difference between real gases and ideal gases.

Q: A given volume of Nitrogen (28.02 g/mol) needs 52.3 seconds to effuse from a hole in a chamber.…

A:

Q: Assuming standard condition, what is the altitude in km with the given pressure of 10.51334141 cm…

A: Concept -  altitude means the height of something above sea level. so here the pressure is due to…

Q: calculate the volume of each product and the energy involved in the transformation for the complete…

A: Given:  P = 760 mm Hg = 1 atm  T = 25° C  So the given condition are standard conditions.  Standard…

Q: A sample of chlorine gas is loaded into a 0.25 L bottle at standard temperature (273K) of pressure…

A: We can solve it via two methods:- Method 1:-

Q: A sample of a breathing mixture for divers contained 34.3% helium, He; 51.7% nitrogen, N2; and 14.0%…

A: We have to calculate the density of the mixture.

Q: A hot-air balloon will rise when the density of its air is 10.1% lower than that of the atmospheric…

A: Given:  Temperature = 319.7 K Pressure = 0.9 atm Composition of nitrogen = 78% composition of oxygen…

Q: A chemist has synthesized green-yellow gaseous compound of chlorine and oxygen and finds that its…

A: It is known that,   Given data,

Q: Explain how the function pv/RT can be used to show gases behave non-ideally at high pressure.

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Q: The speed that a body of any mass must have to escape from the earth is 1.07 x 10ª m s-'. At what…

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Q: A 37.0L sample of air at 1.00 atm and 25°C is pressurized to 5.15 atm, and only allowed to increase…

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Q: If a gas in a closed container is pressurized from 1501Kpa to 1604 Kpa and its original temperature…

A:

Q: Calculate the height of a column of water at 25 °C that corresponds to normal atmospheric pressure.…

A: Given data contains, Temperature is 25°C. Density of water is 1.0g/cm3=1000kg/m3 Value of…

Q: To what temperature must neon atoms be cooled so that they have the same rms speed as N2 molecules…

A: we have   vrms=3RTM   Equating (v)rms for Ne and N2, we have (v)rms(Ne) = (v)rms N2…

Q: Discuss and illustrate the different laws of ideal gas.

A: Boyle's Law: At constant T, pressure (P) is inversely related to the volume (V). For example, sudden…

Q: Water can be decomposed by electrolysis into hydrogen gas and oxygen gas as shown in the balanced…

A: The reaction given is 2 H2O(ℓ) → 2 H2(g) + O2(g) Hence from the above reaction we can see that 2…

Q: 2. Consider the following data for a sample of gaseous oxygen (O2) at a pressure of 1 atm:…

A: Option (a): The graph of temperature (y-axis) versus volume (x-axis) is plotted as follows,

Q: What volume of carbon monoxide is required to produce 62.9 liters of hydrogen gas according to the…

A:

Q: 1. A cylinder of O2(g) used in breathing by patients with emphysema has a volume of 3.00 L at a…

A: According to ideal gas law, PV = nRT  where P = pressure in atm = 10 atm (given) V = volume of…

Q: To what temperature must a balloon initially at 25 degrees Celsius and 2.00 L, be heated in order to…

A: Initial temperature T1 =25°C                            T1 = (25+273)K…

Q: The densities of air at −85 °C, 0 °C, and 100 °C are 1.877 g dm−3, 1.294 g dm−3, and 0.946 g dm−3,…

A:

Q: 1. The composition of a mixture of gases in percentage by volume is 30 % N2, 50 % CO2 and 20 % O2.…

A:

Q: In any equation forms of the Ideal Gas Law, IGL, molar mass must be in what unit?  a mol  b kg/mol…

A: Given  Ideal Gas Law Equation  Unit if molar mass = ?

Q: 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of…

A:

Q: 2. Explain the differences between an ideal gas and a real gas.

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Q: What is the temperature of an 11.2 L sample of carbon monoxide, CO, at 7.44 atm if it occupies 13.3…

A: We can use combined gas law equation for this question.

Q: Olympic cyclists fill their tires with helium to make them lighter. Calculate the mass of air in an…

A: The mass of air (mair), having molar mass = 28.8 g/mol, in an air-filled tire is; 125 psi=8.51…

Q: A sample of a breathing mixture for divers contained 34.3% helium, He; 51.7% nitrogen, N2; and 14.0%…

A:

Q: c) This relationship is known as Graham's Law of Effusion. Since both gases are at te same…

A: Given, molar mass of heavier gas =mH molar mass of lighter gas = mL Velocity of heavier gas = VL…

Q: When the temperature of a rigid hollow sphere containing 46.5 mL of argon gas is held at 24.5°C, the…

A: In this question, we want to determine the mass of argon gas. How we can determine the mass of argon…

Q: A refrigerant in an air-conditioning unit has a volume of 0.30 L. The unit is kept running in a room…

A: According to Boyle's Law, pressure has an inverse relationship with volume at constant temperature…

Q: The root-mean-squared speed of CH4 is 846 m s^-1. What is the temperature of the gas?

A: The formula of the root-mean-squared velocity is as gievn below Where,Vrms = the root-mean-squared…

Q: What is the temperature of 1.131 g of gaseous Cl2 in a 1.31 L container at a pressure of 92.9 kPa?…

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Q: Some commercial drain cleaners use a mixture of sodium hydroxide and aluminum powder. When the solid…

A:

Q: Describe in your own words the Kinetic Molecular Theory of gases. The Kinetic Molecular Theory of…

A: relation of root mean square velocity with temperature and formula weight is given as,

Q: If 0.00432 mol N2O (g) effuses through an orifice in a certain period of time, how much NO2(g) would…

A: Graham's Law of effusion states that, the rate of effusion of a gas is inversely proportional to the…

Q: Differentiate ideal from real gases

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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,…

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.