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Consider the following solutes and the composition of their aqueous solutions. In which of the following is the composition of the aqueous solution of the solute given?
0.10 M NaOH, [OH?] < 0.10 M0.10 M NH3, [OH?] = 0.10 M0.10 M HNO3, [H3O+] < 0.10 M0.10 M HF, [H3O+] < 0.10 M
If a typical antacid tablet contains 2.0 g of sodium hydrogen carbonate, how many moles of carbon dioxide should one tablet yield?
Treatment of either C or D with periodic acid yields the same dicarbonyl compound shown. Finally, treatment of A and B with methylmagnesium bromide followed by acidic workup yields two different compounds, E and F, which are also related by their ..
Determine the empirical and molecular formula and draw the Lewis structure for a compound
If 0.088 moles of sulfuric acid is mixed with water to make 411 mililiter of solution, what is the molarity of H+.
The temperature of the solution drops by 22.4 degrees Celsius. If the specific heat of the solution is 4.18J/g degrees C, calculate the enthalpy of the solution of ammonium nitrate.
A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is
Vapor pressure measurements at several different temperatures are shown below for mercury. Determine graphically the molar heat of vaporization for mercury.
A bankrupt chemical firm has been taken over by new management. On the property they found a 20,000 m3 brine pond containing 25,000 mg/L of salt
flask of nitrogen is collected over water at a total pressure 765.0 mm Hg. If the partial pressure of the water vapor is 25.0 mm Hg, what is the pressure exerted by the nitrogen?
Use a spreadsheet to calculate the composition of dry air at 5400K and 1 bar. Take the initial composition as .78 mol N2, .21 mol O2 and .01 mol Ar. Neglect the ionization of NO.
What is the complete ionic and net ionic equation for : Pb (NO3)2 + K2CrO4 = KNO3 + PbCrO4
What is the chemical balance equation and what causes the color and precipitation?
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