In an electrolytic cell the electrode at which the electrons enter the solution is called the ______ ; thechemical change that occurs at this electrode is called _______. (a) anode, oxidation (b) anode, reduction (c) cathode, oxidation (d) cathode, reduction (e) cannot tell unless we know the species being oxidized and reduced. Read more

How many actual double bonds does the benzene ring possess? (a) None, carbon-carbon bonds in benzene are delocalized around the ring (b) 1 double bond (c) 2 double bonds (d) 3 double bonds (e) 4 double bonds Read more

A molecule with the formula C3H8 is a(n): (a) hexane (b) propane (c) decane (d) butane (e) ethane Read more

Which of the following statements regarding the Gibbs free energy change for a reaction is false? * a) The Gibbs free energy change is the proportion of the enthalpy change of a reaction that is used to increase the entropy. * b) If the Gibbs free energy change for a reaction is negative, the reaction happens spontaneously. * c) The ... Read more

Calculate Go for the reaction given the following information: 2SO2(g) + O2(g) = 2SO3(g) ΔGfo for SO2(g) = -300.4 kJ/mol; ΔGfo for SO3(g) = -370.4 kJ/mol (a) -70.0 kJ (b) +70.0 kJ (c) -670.8 kJ (d) -140.0 kJ (e) +140.0 kJ Read more

1- Which one of the following thermodynamic quantities is NOT a state function? (a) Gibbs free energy (b) Enthalpy (c) Entropy (d) Internal energy (e) Work Read more

Write a brief account of how to determine heat of solution of unknown salt. Read more

Write abrief account on the expriment of how determine number of Hyrated molecules. Read more

Write a short notes on how to seperate the mixtures? Read more

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