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Write Lewis structures that obey the octet rule for each of the following molecules and ions. (In each case the first atom listed is the central atom.) (Do this on paper. Your instructor may ask you to turn in this work.)
(a) POCl3, SO42-, XeO4, PO43-, ClO4-
(b) NF3, SO32-, PO33-, ClO3-
(c) ClO2-, SCl2, PCl2-
(d) Considering your answers to parts a, b, and c, what conclusions can you draw concerning the structures of species containing the same number of atoms and the same number of valence electrons?
calculate the percent yield based upon the amount of maleic anhydride used. use the molecular weight of one repeating monomer unit for the weight of the product.
For a given reaction the following half-life and initial concentration data was collected. Use this data to determine the reaction's order and rate constant.
What volume of hydrogen gas is produced when 68.4 g of iron reacts completely according to the following reaction at 25 C and 1 atm iron (s) + hydrochloric acid (aq)--------- iron(II) chloride (aq) + hydrogen (g)
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.496 M HNO2 (Ka for HNO2 = 4.0 × 10-4). What is the equilibrium concentration of NO2- ions?
What is the reaction order with respect to chloroform? What is the reaction order with respect to chlorine.
How many kilograms of sodium fluoride would be needed to treat an 8.25x10^7 gal reservior?
Suppose that 5193.0 J of heat energy is added to 7 g of ice initially at -10 C. (This could be done, for example, by electrical heating of ice in an insulated container.) What is the final temperature of the water
Write the two chemical equations that show the titration reactions of the carboxylic acid group and the amino group of glyclyglycine
write structural formulas for the following condensed structures and determine the functional group in each compound.
What mass of water (in grams) forms from the reaction of 2.49 L of hydrogen gas and 1.92 L of oxygen gas? Both gases are at 738 torr and 27.3 oC
Solid ammonium fluoride is slowly added to 125 mL of a magnesium sulfate solution until the concentration of fluoride ion is 0.0476 M. The maximum amount of magnesium ion remaining in solution is
Calculate the amount of heat in J required to heat 2.00 grams of ice from -12.0 C to 88.0 C. The heat of fusion of water is 6.02 kJ/mol the specific heat capacity of ice is 2.09 J/gC
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