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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 C-O or C-halogen single bond stretching vibrations are in the finger print region at significantly lower frequency.
if 2.29 moles of argon gas are added to 3.5L of a 6.58 mole sample of argon gas what is the final volume
For the following reaction: Fe(OH)2 + H3PO4 ----> Fe3(PO4)2 + H2O [Unbalanced] In a reaction, 3.20 g of Fe(OH)2 is treated with 2.50g H3PO4. If 3.62g of Fe3(PO4)2 is produced in the reaction, what is the percent yield for the reaction?
Calcium nitrate will react with ammonium chloride at slightly elevated temperatures, as represented in the equation Ca(NO3)2(s) + 2NH4Cl(s) ? 2N2O(g) + CaCl2(s) + 4H2O(g). What is the maximum volume of N2O at STP that could be produced using a 2.4..
When NH4NO3 dissolves in H2O, would you predict that the energy needed to break the ionic bonds and separate the water molecules (H1 and H2) to be greater or less in absolute value than the energy released (H3) when the water-ion interactions o..
The polyyne molecules CkH2 with alternating triple and single carbon-carbon bonds represent potential nanowires for molecular electronics. They can be modelled as linear 1D-boxes with 2k
When 85.00 mL of 0.250 M Ca(OH)2 (aq) and 15.00 mL of 0.750 M Pb(NO3) (aq) are mixed together in a beaker a yellow precipitate is formed. Assume all heavy metal hydroxides are insoluable
What is the mass percent of ethylene glycol (C2H6O2) in a solution of ethylene glycol in water that has a freezing point of -15C? (Kf for water is 1.858C/m.)
Calculate the energy in kJ/mol needed to remove the electron from n=1 in a mole of hydrogen atoms. what is this energy called?
After the washing in this preparation, the 1-bromobutane was treated with anhydrous sodium sulfate
The combined flow to the two tanks is .1 m^3/s. the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
Draw the valence electron structures (Lewis structures) for the following atoms: Magnesium, Carbon, Bromine, Neon.
what concentration of aqueous nh3 is necessary to just start precipitation of mnoh2 from a 0.020 m solution of mnso4?
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