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How many sigma bonds and pi bonds are present in the acetylene molecule and why?
A flask of unknown volume was filled with air to a pressure of 3.23 atm. This flask was then attached to an evacuated flask with a known volume of 8.00 L, and the air was allowed to expand into the flask.
How many total moles of ions are released when the following sample dissolves completely in water? 0.382 mol K2HPO4 (Assume that the hydrogen phosphate ion remains intact in solution.)
How many grams of copper (lll) nitrate would be produced from 4.30 g of copper metal reacting with excess nitric acid
a balloon is filled to a volume of 7.00 x 102 ml at a temperature of 20.0 oc. the balloon is then cooled at constant
Draw the structures of both deprotonated isomers and explain how the difference in cis and trans arrangements allow the single-deprotonated form of maleic acid to form a hydrogen bond with itself but fumaric acid cannot form a similar hydrogen bon..
calculate the amounts of nacl that would need to be added to 100 ml of 0.001 m khp to give four ionic strengths between
Calculate your quantities of starting materials requaired in order to obtain a yield of 0.5 g of aspirin (acetylsalicylic acid). Reaction: Salicylic acid + Acetic anhydride --> acetylsalicylic acid + acetic acid
a compound consists of 93.75 carbon and 6.25 hydrogen. the substance dissolves in benzene and 6.14 g of it lowers the
In the simulation, set the temperature of the sample gas to 304 . Click on the "Run" button and observe how the number of moles of the gas varies with an increase in the gas's volume
A gas sample has an original volume of 680 ml when collected at 720mm and 28C. what will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 55C?
What is the solubility of nitrogen in the divers blood at the bottom of the dive? b: If you assume the mass of the divers blood is 5.0 kg, how many moles of nitrogen comes out of the divers blood when he comes to the surface?
Dibenzalacetone has two carbon-carbon double bonds. How many geometric isomers are possible? Draw all possible geometric isomers of the product and look up their melting points.
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