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Provide a structure for the following compound: UV spectrum: ?max = 272 nm (? = 39,500); EI mass spectrum: m/z = 129 (molecular ion and base peak); IR: 2200, 970 cm-1; 1H NMR: ? 5.85 (1H, d, J = 17 Hz); ? 7.35 (1H, d, J = 17 Hz); ? 7.4 (5H, apparent s).
how many grams of sulfuric acid are produced?
write the Nernst equation for the reduction of Fe2O3 (s) according to the reaction listed below, write the equation in terms of pH.
What is the molar solubility of SrSO4 in pure water at 25ºC?
The buret continues to drain, slowing gradually until coming to a complete stop, as depicted on the right side. At that moment, the total pressure of the gases inside the flask just equals the total pressure of the atmosphere plus the additional p..
In a typical mass spectrum, a smaller signal is observed at a mass 1 amu higher than the molecular ion peak. Why? A) Due to small impurities in the sample
electrons as dots and showing all non bonding electrons for C2Cl4 tetrachloroethylene and CO2 carbon dioxide
You want to produce a mixture containing 19 wt% NaCl. Find the volume of the second feed solution.
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
A single atom of an unknown element travels at 15% the speed of light. The de Broglie wavelength of the atom is 1.06x10^-16m. What element is this
If a gas system at 25oC has a pressure of 23.0 atm, what pressure will the system change to if the temperature rises to 35.0oC?
How many moles of Na2SO3 were added to the calorimeter cup if 30.0mL 0.50 M NaOCl and 70.0mL 0.50 M Na2SO3 were combined?
understand that covalent-network solids are hard and have high melting points and that molecular solids are soft and have low melting points, but how do I determine the difference if given an chemical formula?
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