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Compute the mass of one atom of helium atomic mass = 1.01 amu. Compute the wavelength of this atom if it is traveling at 0.8c
How many liters of ammonia gas can be formed from the reaction of 150 L of hydrogen gas? Assume that there is complete reaction of hydrogen gas with nitrogen gas and that all measurements are made at the same temperature and pressure.
If 100.0 ml of 0.20 M CaCl2 is mixed with 200.0 ml of 0.50 M NaCl soultion, calculate the final concentration of [Cl-] of the solution. If 300.00 ml of water is added to the above solution, what is the concentration of Cl- of the diluted solution
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution.
Given that Delta H (fusion) of water is 6025 J/mol, Cp(ice) = 37.7 J/K mol, and Cp(water,liquid) = 75.3 J/K mol, calculate Delta G (in J) for the freezing of 54 moles of water at 1 atm pressure and the constant temperature T =13.1 C.
determine the molar ratio of nabh4 to benzophenone that you actually used in the experiment. why do you think that it
A solution is composed of 1.30 mol cyclohexane (Pcy=97.6 torr) and 2.50 mol acetone (Pac=229.5 torr). what is the total vapor pressure Ptotal above this solution
solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?
How many grams of cobalt metal will be deposited when a solution of cobalt(II) chloride is electrolyzed with a current of 10. amperes for 109 mintues?
During a strenuous workout, an athlete generates 2200.0 kJ of heat energy. What mass of water would have to evaporate from the athlete's
A 2.5 g sample of a gas fills a 5 liter container. If the pressure in the container is 1.2 atm at a temp of 27 C, what is the molecular weight of the gas in g/mol
Using the data shown in the table, calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 3.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation
A 50-ml transfer pipet and a 200-ml volumetric flask (To Contain) is used to make 0.500 M and 0.125 M solutions from a stock solution of 2.000±0.005 M. Calculate the percent relative error for the three solutions if perfect technique is used. Repo..
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