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Problem- 1) What is molar solubility of BaF2 in a solution containing 0.150 M Ba(NO3)2
2) A 1.00 L buffer solution is 0.125 M in HC2H3O2 and 0.115 in NaC2H3O2. Calculate the pH of the solution after the addition of 100. mL of 1.00 M NaOH. The Ka for HC2H3O2 is 1.8*10^-5
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Question- Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 1.20 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C? Use ..
There are several reagents that can be used to effect addition to a double bond including: acid and water, oxymercuration-demercuration reagents, and hydroboration-oxidation reagents
Based upon the intermolecular forces present, rank the following substances according to the expected boiling point for the substance.
In order for a nuclear reaction to be supercritical with fissile nuclei, what must be true of the multiplication factor
assume that a particular process evolves 224 kj of heat and that 35 kj of pv work is done on the system at constant
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In a gas mixture, the partial pressures are nitrogen 420 torr , oxygen 125 torr , and helium 245 torr. What is the total pressure (torr) exerted by the gas mixture?
What is the maximum fermenter diameter that can support heat removal from a culture growing at 16 degrees Celcius with an oxygen uptake rate (OUR) of 200 mM/L/hr when cooling water
Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states.
Discuss the breakdown of glycogen. List all the enzymes and their roles. In addition, explain the regulation of the reaction of glycogen breakdown.
Identify the following compound from its IR and proton NMR spectra. C4H6O: NMR: ? 2.43 (1H, t, J = 2 Hz); ? 3.41 (3H, s); ? 4.10 (2H, d, J = 2 Hz) IR: 2125, 3300 cm-1 The C4H6O compound liberates a gas when treated with C2H5MgBr.
What two things can you say about a water-toluene mixture that cannot be said about the boiling point and other physical characteristics of a benzene-toluene mixture
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