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The density of helium gas at 273K and 1.00 atm is 1.76E-4 g/mL. What is the volume (in L) of a balloon containing 9.24 g of helium under the same conditions?
What is the mass of one mole of the gas when the density of a gas is 0.0151 g/mL at 150 degrees Celsius and 1.50 atmospheres?
Compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
A 370. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 49°C.
A scuba diver with a lung capacity of 5.2 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface (where the pressure is 1.0 atm) while holding her breath.
Determine the phase composition and temperature when equilibrium is reestablished?
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
When 0.069 mol of aluminum sulfate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of aluminum ions?
What is the concentrationof lead ions and sulfide ions in a saturated solution of lead sulfide (PbS) soltution at 25 degree celcius(Ksp=3.0x10-28).
3CuSO4 + 2Fe --> 3 Cu + Fe2(SO4)3 If you place .092 mol of iron filling in a solution containing .158 mol of CuSO4, what is the limiting reactant? How many moles of Cu will be formed.
Why does the same amount of liquid when left in a wider and flatter container evaporate quicker than when left in a narrower and deeper container?
An injection containing 10.0pg 10 5 B was injected into a patient suffering from a brain tumor. The patient was irradiated by a neutron gun at the site of the tumor.
0.75g of hydrogen chloride is dissolved in water to make 2.5L of solution. What is the pH of the resulting hydrochloric acid solution.
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