Show all your work A sample of hydrogen occupies a volume of 3.20L at a pressure of 425 kPa. If the temperature of the gas kept constant, what would be the new volume of the gas at
615 kPa?

about what?
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Answerchemical energy;

Aquantity of that isotope to decay to 1/2 of  its original value

Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source: