Answer Happy

1.Which substance has the lowest standard molar entropy?
CH3CH2CH3(l)
CH4(l)
CH3CH2CH3(g)
CH3CH2CH2CH3(g)
2.Which statement is true for a non-spontaneous process?
The entropy of the universe always decreases.
The entropy of the universe always increases.
The entropy of the system always increases.
The entropy change of the system is equal and opposite to the
entropy change of the surroundings.
3.Which correctly distinguishes a voltaic cell from an
electrolytic cell?
Oxidation occurs at the anode in a voltaic cell but at the
cathode in an electrolytic cell.
Suniverse > 0 in a voltaic cell and
Suniverse < 0 in an electrolytic cell.
Reduction occurs at the anode in a voltaic cell but at the
cathode in an electrolytic cell.
Not enough information to answer correctly.