Explain why is the product of this reaction soluble
Write down a balanced equation for the reaction between sodium hydroxide and benzoic acid. Explain why is the product of this reaction soluble in the aqueous layer when benzoic acid is only very slightly soluble in water?
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Explain why does CH2Cl2 solvent (lower layer) have higher density than the water while non-chlorinated solvents like hexanes and ether have lower density than the water, i.e. what exactly is it about Cl that causes this difference?
Determine how much caffeine should be obtained when a mixture composed of 20 mL of water layer with the 25mg of caffeine in it before extraction and 2 x 6 mL for the CH2Cl2 layers.
When 50.00 mL of 0.100 M AgNO3 and 50.00 mL of HCl are mixed in a constant-pressure calorimeter, the temperature of the mixture increases from the 22.30 to 23.00degree Celsius, the temperature increase is caused by the following reaction :
Compound X has a methylene chloride/water distribution coefficient of 4.6/ explain how much of a 2.0g sample of X dissolved in the 30 mL of water will be extracted by 20 mL of methylene chloride?
Determine the probability that among seven randomly chosen graduates, at least one finds the job in his or her chosen field in a year of graduating.
Let words which only use letters A, B, C, D, E. How many 4-letter words can be made utilizing the letters? How many 4-letter words have exactly two vowels and two consonants?
Indicate the direction of the heat flow, in or out of the beaker, while the salt dissolves. After the salt dissolves and the water returns to room temperature, determine the value of q for the system?
Determine the approximate molar concentration of NaOH in the diluted solution when a 4-g mass of NaOH is dissolved in the 5mL of water. A 4-mL aliquot of this solution is diluted to 500mL of solution.
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