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Explain why C-H single bond stretching is observed in the functional group (higher energy) region of the IR, but the absorptions corresponding to other single bond stretching vibrations (C-C, C-O, or C-halogen) are all significantly lower frequency.
A radioactive sample contains 2.50g of an isotope with a half-life of 3.8 days. How much of the isotope in grams will remain after 14.2 days
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
Calculate the number of carbon atoms in 4.56 grams of ethanol (CH3CH2OH).
How much HCl gas can be produced at STP by reacting 198 g of NaCl with excess H2SO4?NaCl + H2SO4 ! NaHSO4 + HCl.
The ball is whirled at a constant rate of three revolutions per second and is released on the upward part of the circular motion when it is 0.75 m above the ground. The ball travels straight upward. In the absence of air resistance, to what maximu..
the standard electrode potentials calculate the standard free energy (kJ) for the given reaction.
How high will a hot air balloon rise if the temperature inside is maintained at 330 K? Assume that the ambient temperature is 300 K. Assume that the pressure inside and outside are the same, but the density inside is reduced by heating
Calculate the pH for 5 x 10-10 M HClO4. Please show work. The answer should come out to pH7 when auto-ionization of water is factored
what would be the volume of an ideal gas at absolute zero? what happens to real gases before they reach absolute zero?
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115 M HC2H3O2 - 0.495 M NaC2H3O2? For MnS, K_{spa}=3*10^7.
What is the electron configuration for Cuprous and Cupric, and since this is an exception to Aufbau, where are we removing electrons
what is tert-butyl capxylate? how 'bout its molecular structure?
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