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At the normal boiling point of o-xylene, ΔH°vap = 36.2 kJ/mol and ΔS°vap = 86.7 J/(mol • K). What is the normal boiling point of o-xylene?
Draw the best Lewis structure of CO32-. In this compound, the C atom is attached to three O atoms, and there are no O-O bonds
If the molarity of stomach acid is 0.1 M (assumed to be HCl), how many grams of stomach acid will be "consumed" (i.e; neutralized) per gram of the antacid Ca(OH)2. Assume the denisty of stomach acid is 1.02 g/mL
Carotene is a tetraterpenoid consisting of eight isoprene units bonded in head-to-tail as well as tail-to-tail fashion and cross-linked to form six-member rings at either end. Desire the bond formed by tail-to-tail linkage of the isoprene units.
Calculate the solubility of MgCO3 in pure water, ksp = 3.5 E=8. Then calculate the solubility of the same MgCO3 in a .010 M Al(NO3)3 solution. Assume there is no other interaction between any of the components of the 2 molecules.
Draw the mechanism for the reaction of Cl2 and 3-ethylpentane with light (there should be three different chloroalkane products in addition to HCl).
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.490M NaC2H3O2 ? For MnS, Kspa=3x10^7
Problem- The pH of an acid solution is 5.52. Calculate the ka for a monoprotic acid. The initial acid concentration is 0.010M. Enter your answer in scientific notation.
how can their efficiency be less than 100 and the law of conservation of energy still be valid? 9. an incandescent
What volume of 0.1M NaOH is required to fully neutralize 20 mL of 0.1M acetic acid? of 50 mL of 0.04M Phosphoric acid
you have two water samples. sample x has a volume of 750 ml and a temperature of 42c. sample y has a volume of 380 ml
Draw the lowest energy conformation of 3-ethyl-2,4,4-trimethylheptane, depicting the C3-C4 bond on a sawhorse.
If the pH of a 1.00-in. rainfall over 1600 miles^2 is 3.30, how many kilograms of sulfuric acid, H2SO4, are present, assuming that it is the only acid contributing to the pH. For sulfuric acid, Ka1 is very large and Ka2 is 0.012.
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