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How would you prepare 1.000 L of a 1.000 mole L?1, pH 7.50 Tris-aka, tris(hydroxymethyl)aminomethane-buffer? You have pure Tris?HCl, {(HOCH2)3NH+,Cl?}, a pH meter, 1.00 M HCl and 1.00 M NaOH, and all of the pure water and glassware you need. Carefully go through all mathematical steps, and then describe in detail how you would make the buffer in the laboratory
Choose one of the following atmospheric issues: air pollution, global warming, ozone depletion, and acid deposition. Then, respond to the following,
How much energy (kJ) is required to convert a 25.0 g ice cube at -15.0oC to water vapor at 250oC?
What is the minimum amount of hydrogen gas in grams required to completely hydrogenate 12.5 Kg of 2-butene?
Calculate the radius of iridium (Ir) atom given that Ir has FCC crystal structure, a density of 22.4 g/cm³ and atomic weight of 192.2 g/mol
Separation of acidic, basic & neutral substances in solution, Draw a flow sheet to show how you would separate the components of a mixture containing and acid substance
The enthalpy of fusion of ethanol is 5.02 kJ/mol, and its enthalpy of vaporization is 38.56 kJ/mol.
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
Write a detailed mechanism for this reaction that accounts for the net retention of detailed mechanism for this reaction that accounts for the net retention of configuration when Ag+ and a low concentration of hydroxide are used.
If a sample of Al2(SO4)3 is found to contain 863 mol of Al3+ ions how many moles of Al2(SO4)3 formula units are present?
Consider the following equilibrium process at 686°C: CO2(g) + H2(g) CO(g) + H2O(g) The equilibrium concentrations of the reacting species are [CO] = 0.050 M, [H2] = 0.045 M, [CO2] = 0.086 M, and [H2O] = 0.040 M.
Calculate the heat that must be supplied to 10.8 g of Ne at .15 atm to raise its temperature from 28C to 51C at constant pressure. Assume that neon behaves as an ideal gas.
The titration of 0.7910 grams of an unknown weak acid requires 41.5 mL of 0.139 M NaOH in order to reach the equivalence point.
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