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Atomic Size and Electronegativity

At what tempe...

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At what temperature is the rms speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at -20^° C

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Q. Temperature at which rms speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at

- 20^{\circ} C

is
(Take molar mass of argon as

40 g

and for helium as

4 g

)

Q. At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at

- 20^{o}

C?(Atomic mass of Ar

= 39

= 400

Q. Temperature at which rms speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at

- 20^{\circ} C

is
(Take molar mass of argon as

40 g

and for helium as

4 g

)

Q. At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at – 20 °C ? (atomic mass of Ar = 39.9 u, of He = 4.0 u).

Q. A mixture of

2

moles of helium gas (atomic mass

= 4

1

mole of argon gas (atomic mass

= 40

amu) is kept at

300

K in a container. The ratio of the rms speeds

(\frac{v_{r m s} (h e l i u m)}{v_{r m s} (a r g o n)})

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