the time required for given volume of Nitogen molecule to duffuse through an orifice is 35 seconds. Calculate the molecular weight of gas which requires 50 seconds to diffuse through the same orifice under identical conditions?

Q: If it takes 4.67 times as long for a particular gas to effusion as it takes hydrogen under the same…

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Q: Compare diffusion and effusion. Explain the relationshipbetween the rates of these processes and the…

A: Diffusion and effusion both involve the movement of gas particles.

Q: which gas, helium or argon, effuses faster under the same conditions and by how much?

A: As per Graham's Law of effusion/diffusion, rate of effusion/diffusion is inversely proportional to…

Q: 2. A sample of He gas effused 5.3 times faster than an unknown gas, under the same conditions.…

A: Given: The Helium gas with atomic  mass of = 4 u.

Q: Gaseous diffusion is defined as a. the reference conditions for gases, were chosen by convention to…

A: Gaseous diffusion rate through a porous barrier  is inversely proportional to the weight of the…

Q: What is the mean speed, K, of N2 molecules in air at 25°C?

A: Answer of the question given below,

Q: Calculate the molar mass of a gas that diffuses threetimes faster than oxygen under similar…

A: Given an unknown gas diffuses three times faster than oxygenunder similar conditions.we are asked to…

Q: If it takes 4.67 times as long for a particular gas to effuse as it takes hydrogen under the same…

A: The rate of effusion  is inversely proportional to the molecular mass  r1/r2= (m2/m1) 1/2.  Where m=…

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

A:

Q: Why do gases with lower molar masses diffuse more rapidly than gases with higher molar masses?

A: Gases with lower molar masses diffuses more rapidly than gases with higher molar masses.

Q: The volume of a gas-filled balloon is 30.0 L at 40°C and 150 kPa pressure. What volume will the…

A: The combined gas law is the combination of three gas laws. Its equation is given as: P1V1T1=P2V2T2

Q: The average molecular speed in a sample of Ar gas at a certain temperature is 441 m/s. The average…

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Q: The rate of effusion of oxygen to an unknown gas is 0.935. What is the other gas?

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Q: The number density of atoms (chiefly hydrogen) in interstellar space is about 10 per cubic…

A: From ideal gas, P = nRT / V

Q: 1.15(a) A gas at 250 K and 15 atm has a molar volume 12 per cent smaller than that calculated from…

A:

Q: A 420.0ml volume of O2 gas is collected over water at 24*C and 750.0 Torr. The gas weighs 0.534g.…

A: Given that : The volume of O2 gas = 420.0 mL Temperature = 24°C The pressure of O2 gas = 750.0 torr…

Q: b) Two of the most abundant noble gases in the Earth's atmosphere are Argon and Neon. Calculate the…

A: Relative rates of effusion of Ar and Ne  (rateNe / rateAr)rate are inversely proportional to square…

Q: The time required for a given volume of N 2 gas to expand through an opening is is 30.0 s. Calculate…

A: Concept - Effusion is the process in which a gas escapes from a container through a hole of diameter…

Q: 195 mL gas was collected over water at 25 Cand 753 mm of Hg. What mass of H was collected?

A: An ideal gas refers to a gas which is composed of particles that move randomly  just like all other…

Q: How can a unit of length such as millimeter of mercury(mmHg) be used as a unit of pressure, which…

A: The pressure is the force applied per unit area. Its SI unit is Pascal (Pa). It is a physical…

Q: The ratio of the mean speeds for H2 molecules to Ar atoms at 20°C is 2√5 : 1 The expected ratio in…

A: it is square root of mean velocity square of all molecule.

Q: Given two gas samples: one of N2 and one of He. If the two samples are at the same temperature,…

A: Given gases: N2 and He These gases are kept at the same temperature. The rate of effusion has to be…

Q: Carbon dioxide molecules have an average speed of 25.0 m/s at a given temperature and pressure. What…

A: The given data contains, Average speed of CO2 = 25 m/s.

Q: Calculate the root-mean square velocity in centimeters per second of N2 molecules at 270C. Repeat…

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Q: The rate of effusion of  Ne gas through a porous barrier is observed to be 4.28 x 10^-4 mol/h.…

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Q: Compare the particle volume of 1 mole of neon atoms to the volume occupied by 1 mole of neon gas…

A: Kinetic gas theory is a model that was proposed to explain thermodynamic behaviour of gases.

Q: What is the average speed for carbon monoxide molecules at the same temperature and pressure ?

A: Average speed of a gas can be calculated by using the following formula.    Since the value of…

Q: Experimental studies of solid surfaces and the chemicalreactions that occur on them require very low…

A: Converting pressure from torr to atm, we get:  5×10-10760=7×10-13 atm Hence, the pressure in…

Q: An unknown gas composed of homonuclear diatomic molecules effuses at a rate that is 0.355 times the…

A: Graham’s law of effusion:

Q: Calculate: If 50.0 L of nitrogen is collected over water at 22°C when the atmospheric pressure is…

A: Given data, Temperature (T) = 30°C = 303 K Pressure (P) = 750 torr = 0.986842 atm By using the ideal…

Q: The volumes of gases A, B, C and D are in the ratio 1: 2:2:4 under the same conditions of temperatue…

A: The gasses are the state of matter having that has negligible forces of attraction between then and…

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

A:

Q: Explain the difference between diffusion and effusion. How is the effusion rate of a gas related to…

A: The substances which exist in the gaseous state of matter are termed gases. Gases show compressible…

Q: A sample of hydrogen bromide gas, HBr, effuses from at container at a rate of 48.8 ml/min. At what…

A: According to Graham's law, the rate of effusion under similar conditions is inversely proportional…

Q: determine the root mean squared gas velocity in m/s of a gas at 98.33 celsius with a molecular…

A: Root mean squared velocity can be determined by following formula:  Vrms = (3RT/M)1/2 Where R =…

Q: The rate of effusion of oxygen gas to that of an unknown gas is 1.12. What is the other gas?

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Q: The average molecular speed in a sample of Ne gas at a certain temperature is 623 m/s. The average…

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Q: An inflated balloon with a volume of 1,393.7 cm is squeezed to half its original volume. If the…

A: There are different types of the gas laws which shows the relation between the different measuring…

Q: Rubber balloons filled with helium don't last as long as those filled with nitrogen or air because…

A: Helium (He) is a noble gas that is it consists of full valence electrons in its outermost shell (2…

Q: At a particular pressure and temperature, nitrogen gas effuses at the rate of 79 mL/s. Using the…

A: Given information: Rate of diffusion of nitrogen gas = 79 mL/s Since the pressure and temperature of…

Q: 16. The surface temperature of Venus is about 1050 K, and the pressure is about 75.0 earth…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: A sample of 255 mg of neon occupies 3.00 dm3 at 122 K. Use the perfect gas law to calculate the…

A: Interpretation: A sample of 255 mg of neon occupies 3.00 dm3 at 122 K. The perfect gas law is to be…

Q: A 2.25-m3 (cubic meters) weather balloon is filled with helium gas at 20.0oC. The balloon rises to…

A: Given, Weather ballon is filled with Helium gas at 20°C

Q: The rate of diffusion for a gas is a function of a. the square of the molar mass b. the square root…

A: Given  Rate of diffusion is a function of = ?

Q: Unknown gas diffuses through a porous barrier at a rate of 0.20 mL/minute. If a water gas diffuses…

A: In this we have to find the molar mass of unknown gas, the rate of diffusion of given gases are…

Q: A gas made up of homonudear diatomic molecules escapes through a pinhole 0.230 times as fast as H,…

A: Given: The rate of diffusion of homonuclear diatomic gas is 0.230 times fast than that of H2 gas.