A gas has an initial pressure of 0.2 atm. If the pressure increases to 0.9 atm, the volume is 35 L. What was the original volume? GIVING BRAINLIEST TO FIRST ONE WITH THE CORRECT ANSWER.

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Self-ionizes to form an equilibruium system in which [ h_{3} o^{+} ]=[ oh^{-} ]=10^{-7} m

For lesson: cameras, plant presses, newspaper, paper towels, clip boards, pencils, calculators, field guides, metric measuring tapes, paper, transect squares, colored pencils, ph meters, light meters, computers, etc.for extension: baggies for soil samples collecting, distilled water, hand shovels, beakers, boiled rice, microscopes, well microscope slides or regular microscope slides with cover slips