What is the new pressure
A gas occupies a volume of 458 mL at a pressure of 1.01kPa abd temperature of 295 K. When the pressure is changed, the colume becomes 477 mL. If there had been no change in temperature, what is the new pressure?
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A gas occupies a volume of 458 mL at a pressure of 1.01kPa abd temperature of 295 K. When the pressure is changed, the colume becomes 477 mL.
Potassium weighing 3.91 grams was carefully placed in a 1 liter beaker filled with water. All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite.
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A Current firm's cost per unit (on a product) is $0.87, it will rise at the rate of 15% annually over 3yrs. Current selling unit price is $0.97 and is expected to rise at a 4% annual rate. If a manager expects to sell 5.5, 6.8, and 8 million units
Magnesium powder reacts with steam to form magnesium hydroxide and hydrogen gas. What is the pecentage yield of 10.1g Mg reacts with an excess of water abnd 21.0g Mg 9g (OH)2 is recovered?
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