The soft drinks sold at county fairs are often dispensed from large pressurize c

Question

The soft drinks sold at county fairs are often dispensed from large pressurize containers that contain carbon dioxide gas above the liquid at a partial pressure of about 4 atm, compared to carbon dioxide's normal partial pressure of 0.00035 atm in the air at sea level. a. Describe the reversible change that takes place inside one of these soft drink containers when the pressure of CO_2 above the liquid is first brought from 0.00035 atm to 4 atm. Explain why this system comes to a dynamic equilibrium in which there is no net change in the amount of gas above the liquid or the amount of gas dissolved in the liquid. b. Explain why an increase in the partial pressure of CO_2 over a liquid leads to an increase in the solubility of the gas in the liquid.

Explanation / Answer

Simple answer for both a& b is according to Henry's law.

A/c to this law, solubility of gases in liquid is directly proportional to the pressure.

With the increasing the pressure of gas , solubility also increases.

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