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How many moles of sodium chloride (NaCl molar mass 58.44 g/mol) are contained in a 1 lb box of table salt?
How much energy is required to vaporize 145g of butane at its boiling point? The heat of vaporization for butane is 23.1 kJ/mol
Describe the two methods for determing the volume of the vapor In a Molar Mass of a Volatile Liquid experiment? Which method is likely to give more precise results? Why?
A solution was prepared by dissolving 0.450 g MgSO4 (FW=120.363g/mol) in 0.500L of water. A 50.0 mL aliquot of this solution consumed 37.60 mL of EDTA solution in a titration.
a metal container holding xenon gas xe has a pressure of 458 torr at 20 degrees celcius. at what temperature will the
Draw the first mechanistic step( one intermolecular arrow and any subsequent intramolecular arrows needed to finish the mechanistic step) between caffeine and hydrochloric acid.
A solution is prepared by dissolving 285 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
The pressure of a gas is 817 torr at 55°C. The quantity of the gas is fixed and the volume remains constant as the pressure is adjusted to 102 torr. What is the resulting temperature of the gas?
consider the results of an experiment in which nitrogen dioxide reacts with ozone at 2 different temperatures, 13 degrees Celsius and 29 degrees Celsius. If the activation energy is 29 kI/mol, but what factor does the rate constant increase with t..
The initial concentrations of Pb2+ and Ag+ are 0.05M and for Cl- 1.5M. Assume all the present Pb2+ and Ag+ precipitate out of solution. Use the remaining Cl- concentration and the Ksp and Kf reactions for AgCl and AgCl2-, respectively, to determin..
What type of radioactive decay would be expected for the unstable nuclide
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 13.6 torr at 35°C.
Solid aluminum metal and diatomic chlorine gas react spontaneously to form a solid product. Give the balanced chemical equation (including phases) that describes this reaction.
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