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10²⁰ molecules of an ideal gas strike a wall for one second at an angle of 30° against the normal line. The wall area is 4 cm². the molecular mass of the gas is 213.6 x 10^-29 kg and the molecular speed is 2 x 10³ m/s. It is known that Bolztman's constant = 1.38 x 10^-23 J/K Calculate: average translational kinetic energy

10²⁰ molecules of an ideal gas strike a wall for one second at an angle of 30° against the normal line. The wall area is 4 cm². the molecular mass of the gas is 213.6 x 10^-29 kg and the molecular speed is 2 x 10³ m/s. It is known that Bolztman's constant = 1.38 x 10^-23 J/K Calculate: average translational kinetic energy

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10²⁰ molecules of an ideal gas strike a wall for one second at an angle of 30° against the normal line. The wall area is 4 cm². the molecular mass of the gas is 213.6 x 10^-29 kg and the molecular speed is 2 x 10³ m/s. It is known that Bolztman's constant = 1.38 x 10^-23 J/K

Calculate: average translational kinetic energy

Expert Solution
Step 1

Given,

Number of molecues=1020

Angle of collision is 30o

 Mass is m=213.6×10-29kg

Area is A=4cm2

Molecular speed is v=2×103m/s

We know 

Force is

F=2×1020×213.6×10-29×2×103cos30=0.0007N

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