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A racemic product mixture is produced when (Z)-4-ethyl-4-octene is subjected to chlorohydrin formation conditions (Cl2, H2O). Draw both of the enantiomers that are formed.
Hydrogens are understood. When a chiral carbon contains a hydrogen, you should not show the hydrogen (nor the bond to the H). For the other 3 bonds you should use 2 stick bonds and either a wedge bond or dashed bond to establish stereochemistry.
a balloon is filled to a volume of 7.00 times 102 ml at a temperature of 20.0 degrees celcius. the balloon is then
How much energy in kJ is needed to heat 5.00g of ice from -10.0oC to 30.0oC? The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/(oK.mol) for ice and 75.3 J/(oK.mol) for liquid water.
Why do use slightly different amounts of acids (HCL and NaHSO4) from the amounts of base (NaOH). In what order should you mix the acid and base
How many grams of magnesium oxide are formed when 16.4 of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction
If atoms of element Z have a mass of 0.815 , what is the identity of Z?
13When heated in a flame, sodium atoms emit light with a frequency of 5.09 × 1014 s-1. What is the wavelength of this radiation in nm? [Data: c = 2.998 x 108 m/s ]
a solution is prepared by dissolving 15.2 g ammonium sulfate in enough water to make 100.0 ml of stock solution. a
For a radioactive decay (decomposition of a radioactive substance) the half-life is 6.0 h. How much radioactive substance remains after 22 h, in % (radioactive decay is a first-order process)
determine how many grams of copper sulphate are there in 219 grams of an aqeous solution that is 20.2 by weight of
A 5.00g sample of water vapor, initially at 155C is cooled at atmospheric pressure, producing ice at -55C. Calculate the amount of heat energy lost by the water sample in this process, in kJ.
A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?
certain first-order reaction () has a rate constant of 1.00×10-2 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
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