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Draw the ideal distillation curve for a 50:50 mixture of two miscible liquids. How do you achieve ideal distillation
If a 1000 kilogram sample of rock is 0.021% gold by mass, how much zinc is needed to react with the gold extracted from the rock? Assume that the reaction is 100% efficient.
They will dilute the 0.5 M solution to obtain 100 mL of 0.15M solution and dilute the 0.5m solution to obtain 10,000 ppm per mass. What is the molarity, molality, mass fraction and mole fraction
Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6H5COOH is 6.1×10?2 M.
an ice cube contains 925 grams of water. If the initial temperature is at 15 degrees celcius, how many kilojoules of heat are needed to cool and freeze the water at 0 degrees celcius.
Draw the reaction scheme (with arrows) of the Diels Alder rxn between maleic anhydride and furan. draw both the endo and exo adducts
A sample of drinking water collected from a suburban Boston municipal water system in 2002 contained 0.45 pCi/L of radon. Assume that this level of radioactivity was due to the decay
What is the density of lead if a rectangular bar measuring 0.500 in height, 1.55 in width, and 25.00 in length has a mass of 220.9g.
A solution of chloroform (CHCL3) in carbon tetrachloride (CCL4) is 1.87 molar chloroform and has a density of 2.93 grams/mL. Calculate
What mass of Ammonium sulfate is required to react with 60kg of Potasium nitrate to obtain
Calculate the change in free energy (Delta G) for the combustion of 1 mol of ethane C2H6 in oxygen gas. The products are carbon dioxide and water.
C2H4 is emitted by fruits and is responsible for their ripening. Explain why a bunch of bananas ripen faster when placed in a paper bag.
A particular reaction has a DH value of -114 kJ and DS of -296 J/mol K at 298 K. Assuming that DH and DS hardly change with temperatur, determine the temperature in C at which the spontaneity of this reaction changes.
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