Question

The viscosity of a gas is due to
1 point
momentum

2mass
3heat
4all of above
​

Answer 1

Answer:

Contrary to the liquids, the viscosity of gas increases with temperature for low pressure, that is, close to atmospheric pressure due to more agitation of molecules. However, at high pressure, the viscosity of gas decreases as the temperature increases.

Explanation:

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Answer 2

Explanation:

Viscosity in gases arises from molecules traversing layers of flow and transferring momentum between layers. ... Since the momentum transfer is caused by free motion of gas molecules between collisions, increasing thermal agitation of the molecules results in a larger viscosity.