What is the new volume in milliliters of the bubble outside

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Question- What is the new volume, in milliliters, of the bubble outside the volcano where the temperature is -30â??C and the pressure is 0.80atm , if the amount of gas remains the same?

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A scuba diver 40ft below the ocean surface inhales 85.0mL of compressed air from a scuba tank at a pressure of 2.60atm and a temperature of 5?C.

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