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Dissolved carbon dioxide from the atmosphere will influence the determination of the equivalence point. Would you expect dissolved CO2 to cause the volume of NaOH necessary to reach the equivalence point to increase or decrease? Explain.
A solution of sodium acetate has a concentration of 0.1 M. Calculate the pH value when 0.0025 M of HCl has been added to the solution.
What is the structure of the precipitate that forms after the sulfuric acid
calamine lotion contains a mixture of both zinc and iron oxides. a 1.022 g sample of dried calamine was dissolved in
gave straight line relationship. It took 52.3 seconds for concentration of A to decrease from 0.667 M to 0.117 M. What is the half life of the reaciton when [A]o = 0.667 M?
thomas used equimolar amounts of diethylamine and alpha chloro-26-dimethylacetanilide in the preparation of lidocaine.
A collection of electrons is confined to an infinitely deep well or 1-D box having a 4 nm width. What wavelength photon in micrometers and nanometers when absorbed by an electron in a n=3 level will cause the electron to undergo a transition from ..
What is the mass percent of sucrose (C12H22O11, Mm=342 g/mol) in a 0.350-m sucrose solution?
What is the madelung constant. Why can the same Madelung constant be used for seemingly different substances
The standard enthalpies of formation are methyl hydrazine +54 kJ/mol dinitrogen tetroxide +9.2 kJ/mol water (g) -242 kJ/mol carbon dioxide -394 kJ/mol Find out the amount of heat generated by the shuttle, in kilojoules, if it is carrying 209.0 kg ..
Adenine is a purine base that is a component of several important molecules, including adenosine triphosphate (ATP), flavin adenine dinucleotide (FAD), DNA, and RNA. Draw adenine.
Calculate the lower heating value of the Brookeville Seam coal with the analysis given below with 10, 20, 30, 40, and 50% moisture contents . Comment on the percentage of the heat loss based on the gross or high heating value of the fuel in using ..
There is a one to one relationship between the number of moles of hydrogen gas evolved and the moles of Magnesium metal consumed in the reaction, therefore moles of H2 evolved = moles Mg consumed and the atomic weight of Mg = weight of Mg consumed..
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