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Draw 4 confirmations of 1,2 dibromoethane as newman projections in order of increasing energy
Determine the number of bonding electrons and the number non-bonding electrons
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell
A gas occupies 678 ml at 0.935 atm and 70 F, what will its volume be at 1.078 atm and 70 C
Choose the stronger of each pair of acids, respectively, and explain why: a) HBrO3 or HBrO b) HBrO2 or HIO2 A. a) HBrO because Br has a lower oxidation state (fewer number of O atoms around it) in HBrO than in HBrO3
PCl5(g) --> PCl3(g) + Cl2(g)
In one experiment, 22 g NH3 was used to react with excessive O2 and produces 30.4 g of water, what is the percentage yield of this experiment?
How many grams of KHP are needed to exactly neutralize 27.4 mL of a 0.235 M potassium hydroxide solution ?
25.0mL of a 0.100M solution of NH3 is titrated with 0.150M HCl. After 10.0mL of the HCl has been added, the resultant solution is: a) basic and before the equivalence point
How much energy in kilojoules is required to convert 100 mL of water at its boiling point from liquid to vapor?
you are asked to go into the lab and prepare an acetic acid-sodium acetate buffer solution with a ph of 4.40 plusmn
Draw electron dot structure for the following molecules or ions notes En (electronegativity of Sb, Se, CL O are 1.9, 2.4, 3.0 respectively (a) SbCL3 (b) SeOCL2 (c) BF4- (d)C2H5CL
Calculate the molarity of a solution of glycerol made by dissolving 63.000 glycerol at 15 in enough water to make 300.00 of solution.
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