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Questions tagged 'atmospheric pressure'

3 questions

What is the pressure of the gas in this mercury manometer if h = 55 mm and atmospheric pressure is 773 mmHg?

What is the pressure of the gas in a mercury manometer if the height difference (h) is 55 mm and the atmospheric pressure is 773 mmHg?

A
Anonymous

Jan 18, 2025

In breckenridge, colorado, the typical atmospheric pressure is 520. torr. what is the boiling point of water (hvap 40.7 kj/mol) in

What is the boiling point of water in Breckenridge, Colorado, where the typical atmospheric pressure is 520 torr? The enthalpy of vaporization (ΔHvap) of water is 40.7 kJ/mol.

A
Anonymous

Jan 15, 2025

If the weather forecaster tells you that the pressure is falling, what is the air density doing?

If a weather forecaster indicates that atmospheric pressure is falling, what is happening to the air density? Is it increasing, decreasing, or remaining constant?