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5 grams of compound A is dissolved in water. The partition coefficient for compound A between chloroform and water is 5.9. Explain how much of compound A will be in the combined organic layers if you extract it from the water with 3 X 30 ml extractions of chloroform?
What is the effect of raising the temperature or increasing the carrier gas flow rate on the ability to resolve two closely
a united nations toxicologist studying the properties of mustard gas sch2ch2cl2 a blistering agent used in warfare
A solution of 0.0385 M hypochlorous acid, HOCl, has a pH of 4.47. Calculate the acid dissociation constant Ka.
Calculate the theoretical yield of iron in the reaction of 254 g of iron (III) oxide with 25.0 g of carbon, according to the equation 2Fe2O3(s) + 3C(s)> 4Fe(s) +3CO2(g)
How much energy is required to boil 45.5g of water at 100 degrees C at sea level? The molar heat of vaporization of water is 40.6 kJ/mol.
explain why the standard cell potential for a cell made using cucu2 in both half cells is zero. explain how it is
A common reaction is when two polyatomic ions or compounds of the same element in water combine to form a single chemical with an intermediate oxidation state - this called a comportionation reaction.
transferred from an oven (183°C) to 189 g of water at 23.2°C, into which it is immersed. The water and steel together reach a temperature of 27.9°C. What is the mass of the steel in grams
a flexible vessel maintains constant pressure of 300kpa during acombustion process. the vessel has an initial volume of
Hydrazine is used as a rocket fuel. when 1.5 g of hydrazine N2H4, was burned in a bomb calorimeter, temp increased from 23.57 degrees celcius to 28.84 degrees celcius. The heat capacity of the calorimeter was 5.510 kJ/degree celcius. Determine the..
A particular element M has a heat capacity of 0.36 JgK and it forms an oxide that contains 2.9 grams of M per gram of oxygen What is the molar mass of the metal
Define the precipitate produced by mixing Cu(NO3)2 with NaOH solution. State the full and net ionic equation
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