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The lattice energy of CsF is -744 kJ/mol, whereas that of BaO is -3029 kJ/mol. Explain the large difference in lattice energy. *Hint: use Columb's Law to show the approximate difference in magnitude.)
When 5.00 g of fructose, C6H12O6, (FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.
the reaction between c2h4 and hbr to form c2h5br is carried out in a continuous reactor. the product stream is analyzed
Starting with needed alkanes, alkenes and inorganic regrets, devise syntheses for the following compounds. Yout method should produce each compound in good yield and free of isomers.
A compound containing only C, H, and O, was extracted from the bark of the sassafras tree. the combustion of 88.5 mg produced 241 mg of CO2 and 49.2 mg of H2O. the molar mass of the compound was 162 g/mol.
Given a stock solution of a food dye having a concentration of 1.0 x 10-5 and an absorbance of 0.700. If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 44.4 mL of distilled water, what should the absorbance of the ..
Ammonium phosphate is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid with ammonia . What mass of ammonia is consumed by the reaction of of phosphoric acid? Round your answer to significant digits.
How many ATPs are synthesized for every cytoplasmic NADH that participates in the glycerophosphate shuttle in insect flight muscle?
A 20.94 g sample of an unknown metal is heated to 99.4 C in a hot water bath. The metal is quickly transferred to 100ml of water at 22.0 C in a coffee cup calorimeter.
machine a waspurchasedthreeyearsago for 10000 and had an estimated market valueof 1200 at the end ofits 10-year life.
A proton in a linear accelerator has a de Broglie wavelength of 144 rm pm. what is the speed of the proton?
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions.
A plumber's handbook states that you should not connect a copper pipe directly to a steel pipe because electrochemical reactions between the two metals will cause corrosion. What spontaneous redox reaction(s) might cause the corrosion
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