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describe and explain the possible effects on your results of the following experimental errors or variations.
a) you were given the wrong unknown, instead of a bromobenzene you were given bromocyclohexane
b) acid was not added to the reaction mixture
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D
If I have hydrogen peroxide, molecular weight(g/mol) is 34.02, its density (g/ml) is 1.2, its concentration is 50% by weight and I have 2mL of it how many mols would I have
In a certain experiment, 2.00 g of NH3 reacts with 2.50 g of O2. a) How many grams of NO and of H2O form? b) how many grams of excess reactants remain after the limiting reactant is completely consumed
Several artificial nitrogenous bases, called base analogues, can be taken up by cells, converted to nucleotides, and incorporated into nucleic acids. They are often potent mutagens, and some are used in cancer chemotherapy.
Use the molarity of the EDTA solution and the average volume of EDTA added to calculate the average number of moles of EDTA required for the titration.
Carbon Monoxide at a pressure of 720 mmhg reacts completely with O2 at a pressure of 360 mmhg in a sealed vessel to produce
The volume of a manifold used to transfer gases is calibrated using Boyle's Law. A 0.251-dm3 flask at pressure of 697 Torr is attached and after system pumpdown,
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
Plaster of Paris, CsSO4 x XH2O, is a fractional hydrate; that is, one water molecule attaches to more than one formula unit. If a 2.002-g sample has a mass of 1.878 g after hearing, find the water of crystallizatioin (X), and write the formula for..
arrange the following alkenes in order of increasing heat of hydrogenation (That is, heat released when the compound is hydrogenated). 1 = lowest heat,...................5=highest heat
Calculate the average atomic made of boron which has 2 isotopes. Boron-10 has an abundance of 19.9% and boron-11 has an abundance of 80.1%.
If you didn't wipe away any frost or condensation formed during sublimation, how would your molar mass value be affected? Be specific please.
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