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Question- What is the pH change of a 0.300M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.155M with no change in volume?
Please answer only if you are 100% confident
The temperature of the calorimeter and the water rises from 30.87 degree centigrade to 38.91 degree centigrade what is the heat of combustion per mole of nitrocaine
compute the number ofnbsp moles of h2o will be formed from the reaction 75.1g benzene?considering the given equation
Question- A pure gold ring and pure silver ring have a total mass of 16.0g . The two rings are heated to 64.9?C and dropped into a 14.5mL of water at 20.9?C. When equilibrium is reached, the temperature of the water is 22.9?C. What is the mass of ..
you decide to use gel filtration. this works brilliantly and you determine that your protein is 80kda at the same time.
The reaction that you will conduct in this experiment is known as a "haloform" reaction. When a methyl ketone is used as a substrate, what is it converted to in this reaction?
Its minimum angular momentum about that axis is h. In classical terms, how many revolutions per second do the H atoms make about the axis when in that state?
A trainee in a medical laboratory will be released to work on her own when her results agree with those of an experienced lab technician at the 95% confidence level. Following are the results from a blood urea level:
What type of glycosidic bond occur between a ketose and ketose would yield a non-reducing disaccharide.
dissolved in water to produce 25.0 mL of a solution with pH = 3.28. Determine the ionization constant of the acid.
Calculate the percent ionization of formic acid (HCO2H) in a solution that is 0.311 in formic acid and 0.189 M insodium formate (NaHCO2). Ka of formic acid is 1.77*10^-4
a 10.9 mol sample of argon gas is maintained in a 0.787 l container at 298 k. what is the pressure in atm calculated
If we assume that the volume change is due entirely to this density change (that is we neglect thermal expansion of the ice/water), what is the difference between the enthalpy change and the energy change during theis process? Is this a significan..
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