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Explain the differences in boiling point of a five carbon alkene, alkyl bromide, and alcohol. What intermolecular forces are involved in holding the molecules in the liquid form?
Calculate the activities of Ca2+ and F- in the solution of flourite (CaF2) in pure water at 25C without regard to possible hydrolysis.
A 0.1375 M solution of potassium hydroxide is used to titrate 35.00 mL of 0.257 M hydrobromic acid. Assume volumes are additive. What is the pH of the solution halfway to the equivalence point
Question- You need to make an aqueous solution of 0.213 M manganese(II) sulfate for an experiment in lab, using a 500 mL volumetric flask. How much solid manganese(II) sulfate should you add. answer in grams
Small amounts of hydrogen gas are often produced by reaction of zinc with HCl; Zn(s) + 2 HCl(aq) ® H2(g) + ZnCl2(aq) How many liters of H2 gas, collected over water at a pressure of 176.6 mm Hg and temperature of 22.00 °C
A standard five-day BOD test is run using a mix consisting of four parts distilled water and one part wastewater (no seed). The initial DO of the mix is 9.0 mg/L, and the DO after five days is determined to be 1.0 mg/L
A 1.0 ounce piece of chocolate contains 15mg of caffeine, and a 6.0 ounce cup of regular coffee contains 105mg of caffeine. How much chocolate would you have to consume to get as much caffeine as you would from 2.0 cups of coffee.
Draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with NaI.
Provide a structure for the following compound: UV spectrum: ?max = 272 nm (? = 39,500); EI mass spectrum: m/z = 129 (molecular ion and base peak); IR: 2200, 970 cm-1;
What is the density of a rock that weighs 10 grams and displaces water in a graduated cylinder from 100 to 120 mL.
the concentration of carbon in an iron-carbon alloy is 0.12 wt. given that the densities of c and fe are 2.25 and 7.87
Identify each of the following as a substance that is part of the citric acid cycle, electron transport, or both:
Determine the initial quality and temperature of the fluid mixture prior to heating. [quality x1 = 0.182, T1 = 113.3°C] b) Determine the final volume of the steam after heating. [0.546 m3 (546 liters)] Note: 1000 liters - 1 m3
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