What is the volume of balloon when it reaches the surface
Divers often inflate heavy duty balloons attached to salvage items on the sea floor. If a balloon is filled to a volume of 3.00 L at a pressure of 2.50 atm, what is the volume of the balloon when it reaches the surface?
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When 0.629 g of Na3PO4*12H2O (molar mass = 380.12g/mol) and 0.527g of BaCl2*2H2O (molar mass = 244.30g/mol) are mixed with water forming 500ml of solution, how many grams of Ba3(PO4)2 (molar mass = 601.96g/mol) precipitates?
The initial volume of a gas cylinder is 750.0 mL. If the pressure of a gas inside the cylinder changes from 840.0 mmhg to 360 mm hg , what is the final volume the gas occupies?
If a particular heliox mixture to be carried by a scuba diver is at a pressure of 7.00 atm, what should be the partial pressure due to helium in order to maintain the pressure due to oxygen at 0.21 atm?
If an excess of 2.45 M HCL is used with 12.75 g of sodium bicarbonate at 732 torr and 38 C, what volume of carbon dioxide is obtained?
Covalent modification of enzymes is an important means of regulation. Explain the steps by which phosphorylation decreases the rate of formation of pyruvate from phosphoenolpyruvate in the Liver.
A certain first-order reaction has a rate constant of 2.75 x 10-2s-1 at 20oC. What is the value of k at 60oC if E = 105 kJ/mol?
Air initially occupying 1 m3 at 150 kPa, 20°C undergoes an internally reversible compression during which PV^n = constant to a final state where the pressure is 600 kPa and the temperature is 120 C determine the value of n.
A weather balloon is filled with 15.0 liters of helium at 27 degree Celsius and 0.99 atm. What volume does the balloon have when it has risen to a point in the atmosphere where the pressure is 45 torr and the temperature is -125 degree Celsius?
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