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Problem- There are two benzylic bromides that give (E)-4,6-dimethyl-3-phenyl-3-heptene on E2 elimination. Draw them. Use wedge and dash bonds to indicate stereochemistry. Do not explicitly draw hydrogens.
Give reasons or calculations to sustain your answer.
NO and O2 are mixed in a container of fixed volume kept at 1000 K. Their initial concentrations are 0.0200 mol/L and 0.0300 mol/L, respectively
Initially, 0.60 mole of PCl5 is placed in a 1.00 L flask. At equilibrium, there is 0.16 mole of PCl3 in the flask. What are the equilibrium concentrations of the PCL5 and Cl2
A mixture of NaCl and NaBr has a mass of 2.08g and is found to contain 0.78 of Na.What is the Mass of NaBr in the mixture.
Problem- 1. Student Q prepared 50.00 mL of a buffer solution using 0.50 moles of HA and 0.50 moles of A- while Student S prepared 50.00 mL of a buffer solution using 0.25 moles of HA and 0.25 moles of A-.
Utilize the Born-Haber cycle as well as data to calculate the lattice energy of. You may require the subsequent data: electron affinity of oxygen, ionization energy of calcium,
What mass of sodium hydroxide must be added to 75.0 mL of 0.205 M acetic acid in order to create a buffer with a pH of 4.74? acetic acid Ka=1.8x10^-5
Question- For each of the following, give the electron configuration of the (i) metal; (ii) ion; (iii) a set of 4 quantum numbers representing a valence electron in for the metal ion.
a sample of argon gas has a volume of 765 ml at a pressure of 1.40 atm and a temperature of 144 degree c what is the
Why is it important to apply the sample to the column in the smallest amount of solvent possible? what would happen if you used to much
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
what mass of this substance must evaporate in order to freeze 190 of water initially at 24? the heat of fusion of water
divers often inflate heavy duty balloons attached to salvage items on the sea floor. if a balloon is filled to a volume
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