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If the formation of a Grignard reagent does not begin spontaneously when Mg metal and a solution of an alkyl halide in ether are mixed, one sometimes adds a small amount of iodine to the flask. What substance is formed from the reaction of iodine with magnesium?
Oxygen, O2, can acquire one or two electrons to give o2-(superoxide ion) or o2^2-(peroxide ion) write the electron configuration for the following in molecular orbital terms: 1. o2 2. o2- 3. o2^2- also compare the o2 molecule on a)magnetic charact..
For the reaction below, Kc=4.50x10^11 at 25oC. A(g) + 2B(g) C(g) In an experiment, 1.00 mol A and 1.00 mol B are combined in a 1.0L reaction vessel. What are the equilibrium concentrations of A, B and C
To the alchemists, gold was the material representation of purity. It is a very soft metal that can be hammered into extremely thin sheets. If a 1.54 g piece of gold is hammered into a sheet whose area is 34.4 ft2, what is the average thickness of..
determine the binding energy of an F-19 nucleus. the F-19 nucleus has a mass of 18.99849325 amu. a proton has a mass of 1.00728 amu and neutron has a mass of
Calculate Delta G and Delta A for the vaporization of 1.00 mol H2O at 1.00 atm and 100 ?C. Consider the process reversible. The density of H2O(l) at 100 ?C and 1 atm is 0.958 g/cm3.
0.50g of Cu 2+ is dissolved in 4.0ml of 16 M HNO3. how much 3.0 M NaOH must be added to precipitate the Cu 2+ as Cu(OH)2
Assuming that gasoline is 100% isooctane and that the density of isooctane is 0.792 g/mL, what mass of CO2(in kilograms) is produced each year by the annual US. gasoline consumption of 4.6 x 10^10L
How much heat (in kJ) is needed when 58.9 g of water warms and boils from 47.91 degrees C to 100 degrees C
What is the pH of a soft drink in which the major buffer ingredients are 6.5 g of NaH2PO4 and 8.5 g of Na2HPO4 per 355 mL of solution?
Two students prepare two cyclohexane solutions having the same freezing point. Student 1 uses 26.6 g of cyclohexane solvent, and student 2 uses 24.1 g of cyclohexane solvent. Which student has the greater number of moles of solute Show calculation..
Calculate the pH for an aqueous solution of acetic acid that contains 2.15x10^-3M hydronium ion.
a solution is prepared by adding 30.00 g of lactose milk sugar to 110.0 g of water at 55 degc. the partial pressure of
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