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Question - When trying to separate benzoin and 1,4-dibromobenzene we used hot methanol as the solvent. When the solid had dissolved, it was cooled in an ice bath until precipitate formed and then centrifuged in a craig tube. Would the 1,4-dibromobenzene precipitate out or remain in the liquid and pass out of the craig tube during centrifugation?
Which reaction below could not be used to create C-C bonds?
explain the earodynamics characteristics of margarine firmness and coefficient of friction important in agricultural engineering research and development.
A metal sulfide, M_2(CO_3)_3, has a K_sp of 5.35*10^-42. What is the molar solubility of this sulfide in water. Assume the sulfide behaves ideally
A molecule in which centers of positive and negative charge do not coincide must be.
Throughout the addition of bromine to trans-cinnamic acid, the following amounts were used: 10.0 mmol trans-cinnamic acid, 6.0 ml glacial acid, and 10 ml 1.0 M solution of bromine in acetic acid.
Draw the mechanism of the addition of HBr to cyclohexene. Identify each step, indicate intermediates.
How many grams of Cl2 can be prepared from the reaction of 15.0g of MnO2 and 30.0g of HCl according to MnO2 + 4HCl >> MnCl2 + Cl2 + 2H2O
The heat of fusion of sodium metal is 630 cal/mol. How much heat (in kilocalories) is required to melt 179 grams of sodium
An unknown substance is empirically determined to be 40.00 percent carbon by weight, 6.67 percent hydrogen, and 53.33 percent oxygen. its molecular weight is roughly 55g/mol. determine the molecular formula and its correct molecular weight.
Light travels extremely rapidly (c = 3.00×108 ). Suppose you had to travel 20 miles to work every day. If you traveled at the speed of light for the entire trip, how long would it take you to get to work (in seconds)? [1 mile = 1.61]
Explain A 150ml solution of 0.0100M CaCl2 is mixed with 50mL of a 0.0100M KOH. Define what is the solubility of calcium in the mixture
The density of the metal is 8.785 g/cm3 and the specific heat of the metal is 0.425 J / g oC. If the metal foil absorbs 864.7 J of heat as its temperature changes from 21.32 oC to 34.80 oC, calculate the thickness of the metal foil in mm.
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