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Why is the catalyst Copper Chloride faster at the decomposition of hydrogen peroxide than Postassium Iodide and Lead Oxide
We are supposed to prepare a probable scheme to separate a mixture of 3 components: the first will be an acid (or base) organic compound, the second will be a neutral organic compound, and the third will be 1,4-dibromobenzene. I know how to separate the acid (or base) component. However, the remaining 2 neutral compounds in the dichloromethane solution I'm not sure how to deal with. For most of them, I know I can use fractional distillation, as their melting/boiling points are very different, but there is one possibility of the 1,4-dibromobenzene with benzil and the melting points are so close to each other that the fractional distillation may not be possible. Is there another way to separate and purify these? Please no copy/paste responses - they will not get the ratings. I need to know exactly how (and why).
What is the sequence of the peptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.
A solution made by dissolving 14.2 g of an unknown compound in 100.0 g of water has a freezing point of -0.771 °C. If the Kf for water is 1.86 °C/m
Arrange the molecules in order of decreasing boiling point Molecules are methane, dimethyl ether
How many products are formed in this reaction? Which of the products are triatomic molecules? How many of the substances involved in this reaction are compounds?
What is the temperature of the sample, in degree celsius? can you please show steps?
Consider a binary liquid mixture A and B, where A is volatile and B is nonvolatile. The composition of the solution in terms of mole fraction is xA = 0.045 and xB = 0.955
How many kilograms of sodium fluoride would be needed to treat a 8.00 x 10^7 gal reservoir
How much energy is needed to heat 69.0 grams of H20(s) by 24.0 celcius if specific heat is 2.087 J(g celcius)
Calculate the osmotic pressure( in atm) of each of the following aqueous solutions at 20.00 degree C: a. 1.59 M methanol (CH3OH)
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 2.5-cm rainfall of pH 2.00 over an area of 100 square kilometers?
Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).
The Clean Air Act mandates that certain metropolitan areas must add oxygenates to the gasoline that is sold in that area. What is the reason that oxygenates are added to gasoline?
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