Question

The pressure exerted by a molecular hydrogen gas at a temperature of 7oC is 1.01x105 Nm-2....

The pressure exerted by a molecular hydrogen gas at a temperature of 7oC is 1.01x105 Nm-2. Assuming the hydrogen molecular diameter is 2.0x10-10 m, and the mean speed is 860 ms-1, evaluate:

(a) the mean free path, [6]

(b) the mean time between collision and [3]

(c) the collision frequency [3]


Useful constant: kB = 1.38 x 10-23
Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Find the mean free path of nitrogen gas at pressure p = 2.5atm and temperature T...
Find the mean free path of nitrogen gas at pressure p = 2.5atm and temperature T = 56.50F. The diameter of a nitrogen molecule is d = 0.3 nm. What is the average rate of collisions?
(a) The density of the interstellar gas, mainly hydrogen (2 g/mol), is approximately one molecule (2...
(a) The density of the interstellar gas, mainly hydrogen (2 g/mol), is approximately one molecule (2 g/mol). per cubic centimeter. If the molar diameter is 10-10 m, what is the average free path? What is the the collision frequency for a hydrogen molecule if the temperature is 3 K? (b) It has been seen that for diffusion, the distance travelled by a molecule is proportional to the root of the molecule. square of the number n of collisions, i.e. the...
1.What is the RMS speed of Helium atoms when the temperature of the Helium gas is...
1.What is the RMS speed of Helium atoms when the temperature of the Helium gas is 209 K? (Possibly useful constants: the atomic mass of Helium is 4.00 AMU, the Atomic Mass Unit is: 1 AMU = 1.66×10-27 kg,constant is: kB = 1.38×10-23 J/K.) 2.What would be the RMS speed, if the temperature of the Helium gas was doubled?
A vacuum chamber has a base pressure of 10-6 Torr. Assuming that this is dominated by...
A vacuum chamber has a base pressure of 10-6 Torr. Assuming that this is dominated by N2 gas where the diameter is 0.44 nm and molecular mass of 28, (a) What is the gas density, the mean free path, the molecule flux at 300 K? (b) What is the partial pressure of O2 that produce a ratio 10-9 of the N2 flux to O2 flux at the same temperature? Considering them have identical diameters
A gas bottle contains 5.40×1023 Hydrogen molecules at a temperature of 350 K. What is the...
A gas bottle contains 5.40×1023 Hydrogen molecules at a temperature of 350 K. What is the thermal energy of the gas? (You might need to know Boltzmann's constant: kB = 1.38×10-23 J/K.) Answer: 6.52×103 J How much energy is stored in ONE degree of freedom for the whole system? What is the average energy of a single molecule? Answer: 1.21×10-20 J On average how much energy is stored by ONE degree of freedom for ONE single molecule?
A gas bottle contains 4.90×1023 Hydrogen molecules at a temperature of 368.0 K. What is the...
A gas bottle contains 4.90×1023 Hydrogen molecules at a temperature of 368.0 K. What is the thermal energy of the gas? (You might need to know Boltzmann's constant: kB = 1.38×10-23 J/K.) Tries 0/12 How much energy is stored in ONE degree of freedom for the whole system? Tries 0/12 What is the average energy of a single molecule? Tries 0/12 On average how much energy is stored by ONE degree of freedom for ONE single molecule?
A gas bottle contains 9.94×1023 Hydrogen molecules at a temperature of 339.0 K. What is the...
A gas bottle contains 9.94×1023 Hydrogen molecules at a temperature of 339.0 K. What is the thermal energy of the gas? (You might need to know Boltzmann's constant: kB = 1.38×10-23 J/K.) Tries 0/20 How much energy is stored in ONE degree of freedom for the whole system? Tries 0/20 What is the average energy of a single molecule? Tries 0/20 On average how much energy is stored by ONE degree of freedom for ONE single molecule? Tries 0/20
The mean radius of a molecule of a certain gas is R=0.1 nm , and the...
The mean radius of a molecule of a certain gas is R=0.1 nm , and the molar mass is 18 gram/mole. If pressure P=1.01x105 Pa and temperature T=300K a) What is the mean free path , λ? b) If a molecule of the gas has diffused a distance of 12m, what is the number of collisions this molecule has undergone?
At temperature of 273 K and pressure of 1.00 × 10−2 atm, the density of a...
At temperature of 273 K and pressure of 1.00 × 10−2 atm, the density of a monatomic gas is 1.24 × 10−5g/cm3. Also, we know 1 atm = 1.01 × 105 Pa, R = 8.31 J/mol.K and ? = 1.38 × 10−23 J/K. (a) Find ???? for the gas particles. (b) Find the molar mass of the gas.
a) Calculate the density of CO2 gas at a pressure of 50 barg and a temperature...
a) Calculate the density of CO2 gas at a pressure of 50 barg and a temperature of 100°C, assuming if i) ideal gas behaviour, and ii) compressibility factor of 0.877. b) Calculate the speed of sound in CO2 at 100°C. c) In a carbon sequestration scheme, CO2 is sent to storage in a pipe of inner diameter of 10.0 cm that is operating isothermally at 100°C. The flow is choked when the pressure is 50 barg. Calculate the mass flowrate...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT