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(a) Using standard enthalpies of formation, calculate the change in enthalpy for the following reaction: 2C6H6 + 15O2 = 12CO2 + 6H2O.
(b) How many grams of C6H6 must be combusted in the above reaction to produce 2570 kJ of heat energy?
When an enzyme is purified from a complex mixture of proteins what usually happens to the total amount of protein and the specific activity during the purification process
Assuming that a chemical reactions doubles in rate for each 10 C Temperature increase, by what factor would the rate increase
Calculate the amount of heat needed to change 1.0 g ice at 0 degrees C to water vapor
Health Canada recommends a an upper level intake of Na to be 2300 mg. How many ounces (oz) of the meat must be ingested for a person to meet this level?
compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen
What is the heat of vaporization(kJ/mol) if it takes 3,452 J of heat to completely vaporize 2.68 moles of the liquid at its boiling point?
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
compound noradrenaline contains 56.79% C, 6.56% H, 28.37% O, and 8.28% N by mass. What is the empirical formula for noradrenaline?
The pH of a 0.010 mol L-1 solution of a weak monoprotic acid is 2.09 at 25oC. What is the pKa for this acid
1. what possible precipitate might form by mixing 50.0 ml of 1.010-4 m nacl with 50.0 ml of 1.010-6m agno3? will it
Compute the activation energy for this reaction when The half-lives were found to be 161 min at 199 Celsius and 12.5 min at 230 celsius? The isomerization of methyl isocynide follows first order kinetics.
what is the rate constant for this reaction at 398 K ? I know that the answer is 1.2 s-1 but I don't know how to get it . Can anyone explain it to me please?
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