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What is the fischer projection for (2S,3R)-2-chloro-3-bromobutane? (the wedged dashed bond is for chloride and filled wedged bond is for bromide).
51.1 g of a substance X dissolves in enough water to make 0.754 L of a 0.579 M solution. Calculate the molar mass of X in g/mol
given the tabulated data what is the lattice energy of crystalline calcium chloride?heat of sublimation for calcium 178
Calculate the molar mass of the biomolecule. for carbon tetrachloride, the boiling-point constant is 5.03 degrees C x kg/mol, and the boiling point of pure carbon tetrachloride is 76.50 degrees C.
Electromagnetic radiation has an energy of 926 J. The wavelength of this radiation is 856 nm. How many photons are required to generate this energy?
The strength of a bottle of vinegar was determined by adding potassium carbonate to a 20 ml sample of vinegar until bubbling ceased. The amount potassium carbonate added at the point the bubbling ceased was 1.134 grams. What is the concentration o..
What is added to the 3' end of eukaryotic mRNA during RNA processing, and what is its function
Imagine a silica microsphere half of which is coated with a thin gold coating and having a trimethylammoniumpropanethiol molecule anchored to the gold.
For each metal complex, give the coordination number for the metal species. a. [M(CO)3F3 b. Na[Ag(CN)2] c. [Pt(en)Cl2]
If antique brass is 30.0% zinc and 70.0% copper, how many grams of antique brass can be made from 18.0 grams of zinc and 35.1 grams of copper
Calculate the pH of the titration mixture after 10.0, 20.0 and 30.0 mL of base have been added. (the ka for acetic acid is 1.76 x 10^-5).
A solution of ammonia and water contains 2.70×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution
The heat combustion of ch4 is 890.4 the heat capacity of h20 is 75.2. find the volume of methane measured at 298k and .690atm reauired to convert
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