The escape speed from the Earth is 1.12 x  104 m/s so thata gas molecule traveling away from Earth near the outerboundary of the Earth’s atmosphere would, at this speed,be able to escape from the Earth’s gravitational field and belost to the atmosphere. At what temperature is the rmsspeed of (a) oxygen molecules, and (b) helium atomsequal to 1.12 x104 m/s (c) Can you explain why ouratmosphere contains oxygen but not helium?

Q: A 0.75kg sample of gaseous monatomic Helium (He) has an rms velocity of 2500m/s in an insulated…

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Q: Which of the following gases is most likely the unknown gas: He, CO, HF, HBr, or F2?

A: The root mean square velocity ( Vrms) can be determined by the formula Vrms= 3RTM ( where T=…

Q: Air contains approximately 80% N2 molecules (mass 4.65*10-26 kg) and 20% O2 molecules (mass…

A: The rms (root-mean-square) speed of O2 molecules in the air can be determined as follows.…

Q: The diameter of an oxygen (O2) molecule is approximately 0.300 nm. 1) For an oxygen molecule in air…

A: The diameter of the oxygen molecule, d=0.300 nm The atmospheric pressure, 1 atm=101325 Pa The given…

Q: In World War 2, scientists at Oak Ridge Tennessee (USA) used gaseous diffusion as one method of…

A: Calculation of rms Speed Difference: The rms speed difference between the two isotopic forms of…

Q: a) How many atoms of helium gas fill a balloon of diameter 30.0cm at 20.0oC and 1.00atm? b) What…

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Q: Problem 3: ihe escape speed of any object from Earth is around 11.1 km/s. > A At what temperature,…

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Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.0 cm at 20.0°C and 1.00…

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Q: At what temperature does the rms speed of (a) H2 (molecular hydrogen) and (b) O2 (molecular oxygen)…

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Q: At atmospheric pressure and a temperature of 3.64 K helium can still exist in gas phase. Find the…

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Q: 3. What is the average (rms) speed of the molecules of a helium gas at a temperature of 23°C? m/s

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Q: Much of the gas near the Sun is hydrogen nuclei. Its temperature would have to be 1.5 × 107 K for…

A: The root of the average of the molecular speed square is, Here, the root-mean-square speed is vrms,…

Q: What is the rms speed of a Nitrogen molecules at 1000C?

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Q: What is the ratio of rms speed to most probable speed of a molecule in oxygen (O₂) gas at 298k?…

A: To find the ratio of the root-mean-square (rms) speed to the most probable speed of a molecule in…

Q: At very low temperatures, molecular speeds can still be large. The table below shows mass and…

A: Given: gas Symbol m (kg) T(K) hydrogen H2 3.32×10-27 21.28 helium He 6.65×10-27 5.22 oxygen…

Q: What is the average translational kinetic energy of an ideal-gas molecule at 27C? (b) What is the…

A: Given data: The temperature is T=27°C. The number of moles is n=1. Part (a) The average…

Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 23.0°C and 1.00…

A: The volume of the spherical balloon is

Q: At what temperature does the rms speed of a nitrogen molecule and a hydrogen molecule equal the…

A: The escape speed from the Earth’s surface is approximately 11.2 km/s. We can use the formula for the…

Q: (a) Hydrogen molecules (molar mass is equal to 2.016 g/mol) have vrms equal to 193 m/s. What is the…

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Q: The atomic and molecular rms speeds of gases, vrms, are usually quite large, even at low…

A: rms speed is given by…

Q: The rms speed of a certain sample of ammonia molecules, with a molecular weight of 17 g/mol, is 328…

A: The rms speed of gas molecules is 3RTM where R is the ideal gas constant, T is temperature, M is the…

Q: A student calculates the temperature associated with a molecule of a gas given its mass and rms…

A: The RMS velocity of the molecules has been changed by a factor of 0.713.Evaluate the factor by which…

Q: Q5 A tank is filled with a gas that consists of carbon dioxide molecules (CO₂). Assuming that this…

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Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.