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Consider benzene (C6H6) in the gas phase. Write the reaction for breaking all the bonds in C6H6 using an enthalpy formation chart. And then write a reaction that corresponds to breaking all the carbon-carbon bonds in C6H6. By combining your answers and using the average bond enthalpy for C-H (413 kJ/mol) calculate the average bond enthalpy for the carbon-carbon bonds in C6H6, comment on your answer in comparison to the estimated values for a single C-C bond (348 kJ/mol) and a double C=C bond (1842 kJ/mol)
Calculate the mass of nitrogen dissolved at room temperature in an 77.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
calculate the mass (g) of the excess reactant after thereaction is complete e. calculate the theoretical yeild (g) of 2,2dibromopropane
Describe in 75 words the structure of the carbon atom. What types of bonds does carbon form and why?
How many stereoisomers are possible for 3-methyl-1,2-cyclopentanediol. (b) Name the stereoisomers formed by oxidation of (R)-3-methylcyclopentene with osmium tetroxide.
There are about 1,200,000 autos .each auto emits 3.1g NO2 and 1.6g CH4 per vehicle mile. Each auto travels 30 miles round trip per day. How much NO2 and CH4 in g/day is emmited in the air daily?
How many grams of sulfur (S) are needed to react completely with 326 g of mercury (Hg) to form HgS?
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Explain why it is not necessary to know the w..
The vapor pressure of a beaker of dilute aqueous solution of sucrose at 25 degree C is 3.111 kPa. Find the activity of water in this sucrose solution, given that the vapor pressure of pure water at 25 degree C is 3.167 kPa
How many grams of each of the following substances will dissolve in 100 mL of cold water. Consult a handbook or the Internet and cite your source.
what is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of v2o5 with 40.0 g of calcium
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
Calculate the pH of the solution when 20.00 mL of 0.10 M CH3CO2H (Ka= 1.76 x 10^-5) has been titrated
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