Compare R.M.S. velocity of gas molecules at 127oC and 352oC

Q: Ammonia gas decomposes into hydrogen and nitrogen. If 8.5 L nitrogen is formed at STP, how many…

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Q: A gas made up of homonuclear diatomic molecules escapes through a pinhole 0.169 times as fast…

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Q: M ,MV², F(V)dV = - N - = 4.7(-"_²v²exp(= -)dv 2RT Where dN, the number of particles having a…

A: To calculate:

Q: An impure sample of 55.8 g of potassium nitrate was heated until all of the KNO3 was decomposed. If…

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Q: What pressure is required to compress 196.0 L of air at 1.00 atm into a cylinder whose volume is…

A: ->At constant temperature Boyle's law is applied. ->At constant pressure Charles law is…

Q: A 112.3 mL sample of O2 gas at 319.7 torr is compressed at constant temperature to 79.7 mL. Predict…

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Q: welder has a tank of acetylene ( C2H2) that is 250 liters at (STP). What is the mass of the gas in…

A: Introduction: As per the International System of Units (mole), the moles is the unit of measurement…

Q: Water vapor is a polar gas molecule. Because of this it has fairly strong interactions with itself…

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Q: a rate of effusion th

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Q: An ideal gas is trapped in a stationary container with the help of a piston and there is a small…

A: NOTE : In the questions, its not mentioned whether the absolute temperature is increased to 4 times…

Q: 42. Monochloroethylene gas is used to make polyvinylchlo- ride (PVC). It has a density of 2.56 g/L…

A: Calculation for molar mass:

Q: An inflated balloon with a volume of 2,388.4 cm3 is squeezed to half its original volume. If the…

A: Given , intial volume of ballooon V1 = 2388.4 cm3  Final volume V2 = V1/2 = 1194.2 cm3  P1 = 1436…

Q: How many times faster will gaseous ammonia (NH3) gas effuse than will gaseous iodine pentachloride…

A: Rate of diffusion is inversely proportional to the molar mass.  Molar mass of NH3 = 17 g/mol  Molar…

Q: apse What is the average velocity of nitrogen gas at 65.99°C, in m/s?

A: Average velocity of gas can be calculated via using below equation.  V avg =…

Q: a) Determine the volume a gas will occupy at 95 °C and 325 kPa, if it occupies 0.925 L at 32 °C and…

A: a) Part: We have given that V1 = 0.925 L T1 = 32°C = 305.15 K P1 = 95 kPa  & T2 = 95°C =…

Q: Use the van der Waals equation to calculate the pressure, in atm, of 37.49 mol of hydrogen at 108 °C…

A: Concept - Vander waals gas equation is a modified version of the Ideal Gas Law. However, this law…

Q: According to the Maxwell speed distribution chart below, determine the gas that has the lowest…

A: To determine which gas has lowest density at stp

Q: Magnesium metal is dropped into hydrochloric acid solution. How many grams of magnesium are needed…

A: Given that, Pressure of gas produced = 807 mm Hg  Temperature = 82 oC And volume of gas produced =…

Q: if 859.6 g of oxygen gas reacts completly with hydrogen gas what volume of water vapor will be…

A: Given: Reaction between oxygen and hydrogen to form water vapor. Mass of oxygen reacted = 859.6 g.…

Q: A gas sample is compressed at constant tem- perature. This means that the pressure must be e 1.…

A: On compressing at constant temperature there will be increase in Pressure because on compression…

Q: the sampies of gas in the table below in incr asing the atonns or That is, select "1" next to the…

A: vrms = 3kTm = 8nRTπM Use this relationship to find the average speed

Q: If 760 Torr is equivalent to 1 atm and to 1.01325 bar, then a pressure of 1 bar is equivalent to

A: given760 torr = 1 arm760 torr = 1.01325 barthen 1 bar = To be determined

Q: the time required for given volume of Nitogen molecule to duffuse through an orifice is 35 seconds.…

A: Use concept of grams law of diffusion t2/t1=M.w2/M.w1 And get the answer.

Q: Select the gas with the fastest velocity at 250 K. O2 or H2

A: The velocity and mass can be related from the equation of kinetic energy as below.

Q: Calculate the temperature of a gas when it is expanded to 5.25L. The gas originally occupies 3.45L…

A: Given, V1 = 3.45L T1 = 282K V2 = 5.25L T2 = ?

Q: A cylinder of gas contains equal amount of carbon dioxide, nitrogen and oxygen gases. If 1.00 g of…

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Q: The experimental Boyle temperature / K 110 327 Gas The a constant of the van der Waals equation /…

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Q: The rate of effusion of an unknown diatomic gas to oxygen is 0.355:1.00. Calculate the molar mass of…

A: Given that, The rate of effusion of an unknown diatomic gas to oxygen is 0.355:1.00. I.e.,…

Q: A spray can is used until it is empty except for the propellant gas, which has a pressure of 1344…

A: Given: Initial pressure = 1344 torr = 1.768 atm Initial temperature = 23 °C = 296 K Final…

Q: [References] Use the References to access important values if needed for this question. The rate of…

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Q: Compute the density of an ideal gas composed of dry air at 27°C and 714 hPa on Earth. Density=

A: Density is defined as mass per unit volume.It's SI unit is Kg/m3

Q: Ethane at 180 degrees celciusis contained in a tank with a bolume of 296 L. The mass of the tank is…

A: Use ideal gas equation to get the answer PV= nRT  Pressure= 46.76atm

Q: ompute the Gas density at STP of the following: 969ml of a gas at 64oC and 723mmHg has a mass of…

A: Provided: Volume of gas = 969ml Temperature = 640C Pressure of gas = 723 mmHg Mass = 1.64g

Q: A flask containing equal moles of H2 and CO2 gas at 25.0°C and 1.00 atm.  Compare the average speed…

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Q: A gas mixture contains 1.22 g N2 and 0.90 g O2 in a 1.58-Lcontainer at 24 ∘C. Calculate the mole…

A: Mole fraction is one of the ways to express the concentration of solution. Mole fraction of a…

Q: Water vapor is a polar gas molecule. Because of this it has fairly strong interactions with itself…

A:

Q: How many moles of gas must be forced into a 3.1 LL ball to give it a gauge pressure of 8.4 psipsi at…

A: Given: Volume of ball = 3.1 L Temperature = 23°C Total pressure in ball = 23.0 psi Formula: PV =…

Q: a tank used for filling helium balloons has a volume of 0.600m3 and conntains 3.00 mole of helium…

A: Ideal gases : Ideal gases are imaginary whose molecules are considered to occupy negligible space…

Q: A 1.66 mol sample of CO2 gas is confined in a 40.4 liter container at 23.4 °C. If the temperature of…

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Q: the gas is 44.8 L at 27 °C and 1.00 atm aker is

A: PV=nRT  T=27+273 =300K V=44.8L  P=1atm  R=0.0821 atmLK-1mol-1

Q: the molar volume of any ideal gas at STP is 2.4 L t or f

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Q: CH4 burns in O2, producing CO2 and H2O(g). A 22 L CH4 cylinder, at 15°C, registers a pressure of 328…

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Q: Calculate the pressure, in atmospheres, of 2.18 moles of helium gas in a 10.0-L container at 29 °C.…

A: Recall Ideal gas equation            PV=nRT               P=nRTV Where, pressure of gas is P(atm)…

Q: A gas filled weather ballon with a volume of 53.0 L is held at ground level, where the atmospheric…

A: A gas filled weather balloon with a volume of 53.0 L is held at ground level, where the atmospheric…

Q: The van der Waals equation of state was designed to predict the relationship between pressure p,…

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Q: 1. Calculate the volume of a 3.20-mole gas sample at 450 K and 120.0 atm. The second virial…

A: Given data: 3.20 mol gas sample T = 450 K P = 120.0 atm second virial coefficient of the gas is…

Q: A molecule of oxygen gas has an average speed of 15.6 m/s at a given temp and pressure. What is the…

A: Recall the expression of average speed             Cav=8RTπMwhere, R is molar gas constant,T is…