The velocities of three molecules are 3v, 4v and 5v. Calculate their root mean square velocity.

The velocities of three molecules are 3v, 4v and 5v. Calculate their r

1.	The velocities of three molecules are 3v, 4v and 5v. Calculate their root mean square velocity.
Answer» `C = sqrt(((3upsilon)^(2)+(4 upsilon)^(2)+(5 upsilon)^(2))/(3)) = sqrt((50)/(3)) upsilon` `=4.08 upsilon`.

Discussion

No Comment Found

Related InterviewSolutions

Caculate molecular K.E. of 1 g of helium at NTP. What will be its energy at `100^(@)C`?
A gaseous mixture consists of 16 g of helium and 16 g of oxygen. Find `gamma` for the mixture.
The absolute temperature of a gas is made 4 time its initial value. What will be the change in rms velocity of its molecules ?
What is the ratio of rms velocity of the molecules of an ideal gas at 240 k and 60 K ?
1 mole of monoatomic and one mole of diatomic gas are mixed together. The value of `C_(upsilon)` isA. 2 RB. `(3//2) R`C. RD. `R//2`
Assertion : For monoatomic gas, `R//C_(upsilon) = 0.67`. Reason : For a monoatomic gas `C_(upsilon) = (3)/(2) R`.A. If, both Assertion and reason are ture and the Reason is the correct explanation of the Assertion.B. If both, Assertion and reason are true but Reason is not a correct expationation of the Assertion.C. If Assertion is true but the Reason is false.D. If Both, Assertion and reason are false.
Assertion : The ratio `C_(P)// C_(upsilon)` for a diatomic gas is more than that for a monoatomic gas. Reason : The moleculess of a monoatomic gas have more degrees of freedom than those of a diatomic gas.A. If, both Assertion and reason are ture and the Reason is the correct explanation of the Assertion.B. If both, Assertion and reason are true but Reason is not a correct expationation of the Assertion.C. If Assertion is true but the Reason is false.D. If Both, Assertion and reason are false.
Assertion : The ratio `C_(P)//C_(upsilon)` is more for helium gas than for hydrogen gas. Reason : Atomic mass of helium is more than that of hydrogen.A. If, both Assertion and reason are ture and the Reason is the correct explanation of the Assertion.B. If both, Assertion and reason are true but Reason is not a correct expationation of the Assertion.C. If Assertion is true but the Reason is false.D. If Both, Assertion and reason are false.
What is the value of gas constant in cgs system for 1 gram or helium ?
An inflated rubber balloon contains one mole of an ideal gas has a pressure p, volume V and temperature T. if the temperature rises to 1.1 T, and the volume is increased to 1.05 V, the final pressure will beA. `1.1p`B. pC. less than `p`D. between `p` and `1.1p`

The velocities of three molecules are 3v, 4v and 5v. Calculate their root mean square velocity.

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment