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Benzene freezes at 5.45 oC. The Kf for benzene is - 5.07 oC/m. What would be the freezing point of a 0.210 m solution of octane in benzene?
Explanation of Ratios, In an unsymmetrical alkene, the boron atom adds predominantly to the least substituted carbon atom. For example, 2-methyl-2-butene gives the products shown below.
The half-life of Plutonium-239 is 24,000 years. If 10 gms are present now, how long will it take until only 10% of the original sample remains? Round your answer to the nearest 10,000th.
Suppose you have 0.001 M solution of a dye with pka of 7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
Calculate the resulting pH if 150 mL of 1.50 M HClO4 is mixed with 500 mL of 0.125 M Ba(OH)2.
Dehydrohalogenation Prepare styrene (C6H5CH=CH2) by dehydrohalogenation of either 1-bromo-2-phenylethane or 1-bromo-1phenylethane using KOH in ethanol.
A room contains 46 of air.How many kilowatt-hours of energy are necessary to heat the air in the house from 9 to 30? The heat capacity of air is 1.03.
Write a structural formula for two different isomers of [Co(H2O)2(en)2]Cl2. Indicate the oxidation state of the Co in each case.
The gas phase irreversible first-order reaction A----> 3B , is carried out in PFR where the feed is equal molar in A and inerts. the conversion under these circumstances is 50%.
Find out the exact significant figures for each of the values - Indicate the number of significant figures
How many liters of O2 are needed to react completely with 45.0L of H2S at STP? 2H2S(g) + 3O2(g) -> 2SO2(g) +2H20(g)
What is the concentration of OH- in a solution that contains 0.225g of NaOH in 0.250L of solutio.
The mixture of saltwater and ice around the ice cream bucket in the ice cream machine is at a temperature of -8.40C. What mass of sodium chloride would be found in 1,477 grams of this solution?
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