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Saturated aqueous sodium chloride(d=1.2g/mL) is added to the following mixtures in order to dry the organic layer. Which layer is likely to be on the bottom in each case?a) Sodium chloride layer or layer containing a high density organic compound dissolved in methylene chloride(d=1.4g/mL).b) Sodium chloride layer or a layer containing a low density organic compound dissolved in methylene chloride(d=1.1g/mL)
Calculate the amount of heat required to completely sublime 68.0 g of solid dry ice CO_2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kj/mol.
A study of the system 4NH3(g)+7O2(g)--2N2O4(g)+6H2O(g), was carried out. A system was prepared with [NH3]=[O2]=3.60 M as the only components initially.
A 3.00-L flask is filled with gaseous ammonia,NH3 . The gas pressure measured at 20.0 deg C is 2.05 atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
Write the reaction which occurs when BH3 encounters water. Hint: a gas is evolved and boric acid is formed. How does acetone react with BH3?
A solution is prepared at 25 degrees Celsius between 150 mL of 0.15 M C6H5COOH and 12.5 grams of C6H5COONa. What is the resultion pH of the solution, assuming no volume change.
when 2.00 x 10 3 g of CaCo3 are heated the actual yield of Cao is 1.05 x 10 3 g. what is the percent yield?
Important information about Second Order Reaction, The reaction of CH3CH2NO2 + OH- --> H2O + CH3CHNO2 - is a second order and k at 273 K
if 2.3g of sodium reacted with 1.3g of water,what would be the total mass of sodium hydroxide and hydrogen produce?
determine the specific heat capacity of a metal that has a mas of 14 grams. As the metal cools from 400 degrees celcius to 200 degrees celcius, 364 joules of heat is released
Explain Coronary Artery Disease: Good and Bad Cholesterol, A middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.
A paint company mixes it's paint with water to create more paint per gallon. They currently have ten gallon jugs which contain 10% water.
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