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C6H6 burns in air to produce CO2 and H20. Calculate the heat release in KJ/g of the compound reacted w/ oxygen. The standard enthalpy of formation of C6H6 is 49.04 KJ/mol.
A beaker with 145mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M
A sample of gas with an initial volume of 27.6L at a pressure of 735 mmHg and a temperature of 309 K is compressed to a volume of 15.8 L and warmed to a temperature of 374 K.
Suppose a sample of solid hydrogen is held under an external pressure of 0.030 atm and heated from 5 to 300 K. What phase change(s), if any, will occur?
Calculate the NET ATP formed in the catabolism of Oleic Acid, a 20 Carbon Molecule. label the parts of the equation to show the relative contributions of Beta Oxidation,
Calculate the wavelength of light that would be required to excite an electron from the HOMO to the LUMO. Hint: Recall that (triangle)E=hv=hc/lambda, and that 1 eV=1.602 x 10^-19 Joules.
A chemist is trying to come up with a new solution-based battery for use in a new car. He chooses iron and zinc as the metals for his research and .
Calculate the volume occupied by 1.00 mol N2 using the van der Waals equation in the form of a virial expansion at its Boyle temperature. Assume that the pressure is 10 atm throughout.
What is the theoretical yield of PH3, when 150 g of Na3P is mixed with 250 grams of water? If the actual yield is 30 g, what is the % yield?
A chemist titrates 100 ml. of .020 M aqueous ammonia solution with .10 M HCl at 25 degrees C. What is the pH of the solution after 20 ml of HCl have been added to the solution?
Will the temperature of the water be greater than or less than 20 C when thermal equilibrium is reached? Calculate the final temperature
acid catalyzed hydrolysis of esters is usually better than base catalyzed hydrolysis. True or False.............2. Borane selectively reduces a carboxylic acid while it leaves an ester alone.
determine the value Keq at 400K for the decomposition of phosphorus trichloride of [PCl5]=0.135 mol/L, [PCl3]=0.550mol/L.. and [Cl2]=0.550mol/L the equation for the reaction.
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