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1) Explain the process by which an ionic compound attains equilibrium in an aqueous solution.
2) Determine whether a precipitate will form when 70.0 ml of a 0.0040M Ca(NO3)2 solution is mixed with a 30.0 ml of a 0.010 M Na2SO4 solution at 25 degrees C. Explain.
The initial rates at various substrate concentrations for an enzyme-catalyzed reaction are as follows.
A mixture of 0.162 moles of C is reacted with 0.117 moles of O2 in a seated, 10.0 L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO
Explain what is the pH of an acetate buffer in which the [CH3CHOOH]/[CH3COO-] ratio is 1:5? pKa acetic acid is 4.76
what is the difference between a 10% (v/v) methanol (CH3OH) solution and a 10%(m/m) methanol solution
What would you expect the structure of the dinitro ester to be? Consider the directing effects of the ester and the first nitro group upon the addition
The action of bacteria on meat and fish produces a poisonous compound called cadaverine. As its name and origin imply, it stinks!
A scuba diver with a lung capacity of 5.4 inhales a lungful of air at a depth of 48 and a pressure of 5.8. If the diver were to ascend to the surface (where the pressure is 1.0 ) while holding her breath, to what volume would the air in her lungs ..
a mixture of carbon monoxide co carbon dioxide co2 and oxygen o2 is contained within a 275 ml flask at the temperature
Explain why must the slit width of a prism monochromator be varied to provide constant effective bandwidths but a nearly constant slit width provides constant bandwidth with a grating monochromator
Explain why a compound with a phosphate group whose free energy of hydrolysis is more negative can transfer phosphate to another compound to make a phosphorylated product whose free energy of hydrolysis is less negative.
We will abbreviate malonic acid, CH2(CO2H) 2 as H2M. Find the pH and concentrations of H2M, HM-, and M2- for the following. (Ka values for malonic acid are Ka1 = 1.42 10-3 and Ka2 = 2.01 10-6.)
Write a balanced equation for each of the two steps of the reaction, namely: (1) the reaction between benzyltriphenylphosphonium chloride and sodium hydroxide
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