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Draw the Fischer projection formula for 2R,4R-pentanediol. State how many stereoisomer of this compound. Also draw any two stereoisomers of 2R,4R-pentanediol, label the configurations of their steroecenters and indicate their relationship to 2R,4R-pentanediol
How many grams of water can be cooled from 34°C to 11°C by the evaporation of 85 g of water? (The heat of vaporization of water in this temperature range is 2.4 kJ/g. The specific heat of water is 4.18 J/g-K.)
describe the change in conductivity as the concentration of the NaCl solution was increased by the addition of NaCl drops
For 2,5-dimethylhexane, draw a Newman projection (looking down the C3-C4 bond) representing the most stable conformation, least conformation and a gauche conformer
Write equations showing how each of the following weak bases ionizes water to form OH- a) HCO3- b) CH3NH2 Identify all of the phases
What is the empirical formula of this compound. If, for example, the compound was C2Cl3F, then one would input `C2Cl3F' - no spaces, no commas, proper case for the letters in the atomic symbols, and alphabetical order of the elements is required h..
a portable water heater transfers 225 watts of power to 5.5 l of water. how much time will it take the water heater to
If the water in your well has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form
What is the charge on magnesium iodide? What does the charge on the magnesium ion have to do with the number of valence electrons that an atom of magnesium has?
A compound is found to be 74.03% C, 8.70% H, and 17.27% N. The molar mass of the compound is 162.23 g/mol. Find the empirical formula and the molecular formula of the compound?
Calculate the fraction of atoms in a sample of argon gas at 360. K that have an energy of 14.0 kJ or greater.
What concentration of SO32- is in equilibrium with Ag2SO3(s) and 7.10 × 10-3 M Ag. The Ksp of Ag2SO3 can be found here.
For the equilibrium PCl5(g) PCl3(g) + Cl2(g), Kc = 2.0 × 101 at 240°C. If pure PCl5 is placed in a 1.00-L container and allowed to come to equilibrium, and the equilibrium concentration of PCl3(g) is 0.13 M, what is the equilibrium concentration o..
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