# Problem: In Figure P5.11, what is the pressure of the gas in the flask (in kPa) if the barometer reads 765.2 mmHg?

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###### FREE Expert Solution

When Patm is pushing harder than  Pgas

$\overline{){{\mathbf{P}}}_{\mathbf{g}\mathbf{a}\mathbf{s}}{\mathbf{=}}{{\mathbf{P}}}_{\mathbf{a}\mathbf{t}\mathbf{m}}{\mathbf{-}}{\mathbf{h}}}$

$\overline{){{\mathbf{P}}}_{\mathbf{g}\mathbf{a}\mathbf{s}}{\mathbf{=}}{{\mathbf{P}}}_{\mathbf{a}\mathbf{t}\mathbf{m}}{\mathbf{-}}{\mathbf{h}}}$

Given:

Patm = 765.2 mmHg
h = 1.30 cm

Convert h first from cm to mm:

###### Problem Details

In Figure P5.11, what is the pressure of the gas in the flask (in kPa) if the barometer reads 765.2 mmHg?