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Explain three organic compounds an acid, base and a neutral. Benzoic acid, p-nitroaniline and antharacene. All three of these compounds are soluble in dichloromethane (CH2Cl2) however only slightly soluble in cold water. Define how changing the pH will allow you to separate the three compounds from each other you will use both water and the dichloromethane.
Give the chemical formula and systematic name for aurous sulfide, which is named using the older nomenclature.
If the sample contains a combined total of 1.75 grams per mole and has a total mass of 51.0 grams, what are the percentages of CO2 and Ne in the sample by mole?
Experiments have shown that the average frequency of chirping by a snowy tree cricket depends on temperature as shown below.
The Ka for acetic acid, HC2H3O2, is 1.8 x 10-5. 1. What is the pH of 50.0 mL of 0.100M solution, if 0.00 mL of base has been added. 2. What is the pH when 20.0 mL of 0.100 M NaOH have been added.
a .900g sample of water is injected into a 10.0 liter flask at 55 degrees c. how much h2o l remains if any remains in
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a burning candle produces a luminous flame. What is the fuel for the burning candle. Why is the flame luminous
solution is needed to just neutralize excess acid after 20 mL of HCl was added to 1. g of the antacid, how many moles of acid can the antacid counteract per gram.
If you have 50 ml of a buffered solution of 0.15M HNO2 and 0.05M NaNO2, how many ml of 0.2M HCl can you add before the pH changes significantly
an automobile gasoline tank holds 21 kg of gasoline. When gasoline burs, 81 kg of oxygen is consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
A 2.55g sample of an unknown has a volume of 3.73 cm. what is the density of the unknown.
which of the following reaction mechanisms proceeds with inversion of configuration at a stereogenic center?a. sn2b.
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