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Question- The nuclear fusion of a lithium-7 nucleus and nuclide X releases two alpha particles and a neutron. Identify nuclide X.
When o-phthalaldehyde (1-2-benzenedicarbaldehyde) is treated with KOH, and the reaction mixture is acidified, a single neutral product, isomeric with the starting material
HEPES are synthetic amine compounds that are often used to make buffers for biochemical studies. What is the pH of a 1.0 L buffer solution that is 0.250M HEPES
The work function of copper is 437 kj/mol. Calculate the KE of the ejected electron if the frequency of light is 1.50*10^(15) Hz.
what is the equation for ninhydrin test of egg white?also for the ninhydrin test of aspartame? what is the chemical
What solute particles are present in an aqueous solution of NH4Cl? Express your answer as a chemical formula. If there is more than one answer, separate them by a comma. Include charges where necessary.
Calcule the platinum electrode potential (vs. NHE), immersed in solution containing 0.50 M Br2 KBrO3 0.20 M at pH = 2.5
A 0.250 gram chunk of sodium metal is cautiously dropped into a mixture of 50.0 grams of water and 50.0 grams of ice, both at 0 degrees Celsius. The reaction is 2Na(s)+2H2O(l) yields 2NaOH(aq)+H2(g) enthalpy=-368 KJ. Will the ice melt? Assuming th..
The salts of calcium sulfate, magnesium carbonate, lead (II) bromide, calcium chloride and silver nitrate are all added to a beaker. Pure water is added and the mixture is stirred well as well as allowed to settle. Four solids are now present in ..
carried through the analysis, the error in determining the analyte is +6.3%. (a) Determine the appartent recovery for the analyte if R1=0. (b) deter,ome the apparent recovery for the interferent if Ra=1.
Predict the IR bands and the NMR signals which are expected to be useful in assigning the molecular structure. List only the most important IR bands expected.In anticipating the NMR spectrum, predict the approximate chemical shift
lab handout - the chemistry of winemaking the biosynthesis of ethanol.1. by using yeast can glucose and fructose be
Galvanic cell consists from CO/CO2+ standard electr0de and NI/NI2+ ELECTRODE. At what concentration of nicle electrolyte the theoretical
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