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SCUBA divers breathe a mixture of helium as well as oxygen gasses for divers in excess of 150 ft. If 15.68 grams of oxygen gas as well as 7.60 grams of helium gas are both added to a 5.00 L SCUBA tank at room temperature, explain what will be the total pressure in the tank assuming ideal behavior?
Describe the intermolecular force that must be overcome in converting the following from a liquid to a gas.
Calculate the percent of a strontium sample left after 100 years. The half-life of strontium-90 is 28.1 years.
question a mixture of .148 moles of c is reacted with .117 moles of o2 in a sealed 10l container at 500k producing co
What is the mass of a square piece of aluminum foil 100 micrometers thick and 10 cm wide? (Aluminum=2.7 g/cm^3)
The vapor pressure of pure ethanol at 60°C is 349 torr. A solution is prepared by dissolving 10.0 mmol naphthalene (nonvolatile) in 90.0 mmol ethanol. Raoult's law predicts what vapor pressure in torr at 60°C
The specific heat of aluminum is 0.21 cal g°C. How much heat is released when a 10 gram piece of aluminum foil is taken out of the oven and cools from 50 to 10 °C?
what is the energy of a mole of photons associated with light of frequency 6.65x10^14 Hz? Can you show all steps please.
Find the voltage developed by a cell consisting of Tl metal dipping in an aqueous solution that is 0.32 M in Tl+, connected by a porous bridge to a 0.69 M aqueous solution of HCl in contact with a Pt electrode over which H2 gas is bubbling at p = ..
Suppose that one needs 17.65mL of 0.1146M NaOH to titrate 25.00mL of acetic acid, a weak acid, to the equivalent point. Calculate [HAc]
Write the charge-balance as well as the mass-balance equations for the system (let s represent the solubility of the calcium fluoride). And solve the equilibrium problem to determine the solubility of the CaF2
What is the molality of a solution in which 25 g of sodium chloride is dissolved in 2.0 kg of water
Water is added to 25.0 mL of a 0.776 M KNO3 solution until the volume of the solution is exactly 500 mL. What is the concentration of the final solution.
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