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Statement of a problem № 2680

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On a day when atmospheric pressure is 76 cmHg, the pressure gauge on a tank reads the pressure inside to be 400 cmHg. The gas in the tank has a temperature of 9 °C. If the tank is heated to 31 °C by the Sun, and if no gas exits from it, what will the pressure gauge read?

Solution:
On a day when atmospheric pressure is 76 cmHg, the pressure gauge on a tank read

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