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Given the information below, calculate the heat provided by combustion of 66.1g of propane (C3H8). ?Hf° (C3H8(g)) = -103.85 kJ ?Hf° (CO2(g)) = -393.5 kJ ?Hf° (H2O(?)) = -285.8 kJ Can Someone explain this in detail?
starting with toluene as the only organic starting material and utilizing an organocopper coupling method
What is the value of the equilibrium constant for Haber process at 298K if the equilibrium concentration are as follows:
The titration of a 0.1000 M HOCl (hypochlorous acid) is done using 0.1003 M NaOH. If a 25.00 mL aliquot of acid is used, determine the volume of NaOH required to reach the equivalence point
calculate the individual masses of C, H, and O in the 0.7549 g sample.
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
For caffeine, the partition coefficient between methylene chloride and water is approximately 8. If you add the following to a separatory funnel - 10 g caffeine,
What is the molarity of the prepared naoh solution as determined in the titration? How many moles of OH are present when the end point is reached? What color should the solution appear at end point?
what concentration of NH4+ must be present in a 0.20M aqueous ammonia solution to prevent the percipitation of Mg(OH)2 if the ammonia solution
Will the temperature of the water be greater than or less than 20 C when thermal equilibrium is reached? Calculate the final temperature
The compound KB5O8·X H2O was analyzed and found to contain 24.6% of water. If the formula weight of this compound is 293.15 g/mol, what is the number of water molecules (X) in the formula?
what is the density of a block of marble that occupies 306 cm3 and has a mass of 804 g? answer in units of g/cm3.
It takes 48.0 to raise the temperature of an 9.10 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
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