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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)
Hydrogen gas can be produced in the labratory through the reaction of magnesium metal with hydrolic acid: Mg (s) + 2HCl (aq) ---> MgCl2 (aq) +H2 (g). What is the volume, in liters, of H2 gas produced at 26C and 770mmHg from the reaction of 13.0g o..
-Determining the molar enthalpy/heat of a reaction, and then how much heat was actually given off in a specific reaction -Finding the increase in temperature of a substance given its gain or loss of heat energy
give explanation why it is not practical to evaluate the solubility of the two salts ax and by2 by simply comparing the
barium metal crystallizes in a body-centered cubic lattic. The unit cell edge length is 502 pm, and the density of the metal is 3.50 g/cm3. Using this information.
Following the instruction for the standardization of sodium hydroxide a student took 3.5 gms of KHP (MWt 204.2g/mol) and titrated the solution formed with the given sodium hydroxide solution.
1. In a Lineweaver-Burk plot of 1/v versus 1/[S} what are the units for the slope. 2. In a Lineweaver-Burk plot of 1/v versus 1/[S} what are the units for the y intercept
Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Grignard reagent containing less carbon atoms with th..
Told ball had a wavelength of 5*10-26nm velocity of 60mph what would be the mass of the ball
A 88.0-L sample of dry air is cooled from 135.9°C to 45.4°C while the pressure is maintained at 2.85 atm. What is the final volume in L. (Do not type the units.) the answer is 68.5 but using the charles law doesnt work. can someone explain it to m..
How many grams of water at 0 degrees C could be frozen to ice at 0 degrees C by the evaporation of 58.82 mol NH3?
Derive the appropriate expression of the internal pressure piT for the berthelot gas. Should the internal pressure piT of the berthelot gas be greater than equal to or less than zero? Explain your choice(s)
a soft drink contains 35 mg. of sodium in 315g. of h2o. what is the concentration of sodium in the soft drink in mass
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