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Problem- The condensation of steam to water at 90 degrees Celsius causes the entropy of the steam to decrease. Why? What must be true of the process of steam condensation if the second law of thermodynamics is satisfied?
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Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
A compound has the empirical formula C5H12O. Upon controlled oxidation, it is converted into a compound of empirical formula C5H10O, which behaves as a ketone. Draw possible structures for the original compound and the final compound.
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A solution of a specific vitamin has ?max = 251nm and a concentration of 4.79x10^-7M. The absorbance of the solution at 251 nm is A = 0.175. What is the molar absorptivity of the vitamin at 251nm
Calculate the change in entropy (S) for reversible cooling 1 Mole of an ideal monatomic gas from 30 degrees C to 0 degrees C under:
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