write down Boyle’s law. At constant temperature a gas is at a pressure of 1080 mm Hg. If the volume is decreased by 40 % , find the new pressure of the gas.
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RahulNair:
That's the wrong answer! It's 1800mm of Hg.
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Boyle's Law: P 1/V
It states that the pressure exerted by a gas (of a given mass, kept at a constant temperature) is inversely proportional to the volume occupied by it. In other words, the pressure and volume of a gas are inversely proportional to each other as long as the temperature and the quantity of gas are kept constant.
Numerical: 1800mm of Hg
If the starting volume is V, the new volume is 0.6V. So, according to the law,
The new pressure of the gas,
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