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A diprotic acid is titrated with NaOH as well as the first equivalence point volume occurs at 14.32mL. Define at what volume will the second equivalence point occur? why?
when 24.0 g of glucose a nonelectrolyte are dissolved in 500. gof water the solution has a freezing point of
Calculate SO (universe) for the formation of 1.00 mol of HCl (g) from gaseous hydrogen and chlorine at 25 OC. Is the reaction spontaneous at that temperature
Explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
Camphor (C10H16O) melts at 178.4 degrees C and has Kf=37.7 K/m. A sample of unknown substance that weighs .840g lowers the freezing point of 25g of camphor to 170.8 degrees C. What is the molar mass of unknown substance
the vapor pressure of liquid benzene at a given temperaturecan be computer from the following empirical formula.
The solubility-product constant for Ce(IO3)3 is 3.2e-10. What is the concentration in a solution prepared by mixing 50 mL of O.0250 M Ce with 50 mL of a) 0.040 M IO3 b) 0.250 M IO3 c)0.150 M IO3
Which of the following statements is true? a. The critical temperature must be reached to change liquid to gas. b. To melt a solid at constant pressure, the temperature must be above the triple point.
A student found that a brand B tablet would neutralize 0.011 moles of HCl per tablet. Which is the better buy, brand A or brand B? Why?
Does the octet rule mean that a diatomic molecule has 16 valence electrons? Select from the following:
Identify the original liquid and write a structure for the solid derivative. After identifying the unknown liquid, can you indicate what the structure of the precipitate obtained on reaction with bromine might be?
The reaction of CrCl3 with liquid NH3 to give yellow [Cr(NH3)6]Cl3 often has a low yield, since the reaction tends to stop with the production of pink [Cr(NH3)5Cl]Cl2
calculate the amount of cobalt(II) nitrate hexahydrate [Co(NO3)2 * 6H2O] needed to prepare 50 mL of a 0.15 M cobat(II) nitrate stock
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