True/ False
A. _____The emf of a voltaic cell can change withtemperature.
B. _____A reaction with a negative value of ï„S and a positivevalue of ï„H at a given temperature is not spontaneous at thattemperature.
C. _____The change in entropy is positive when a piece of tablesugar dissolves in water.
D. _____A ligand is always a Lewis base.
E. _____A hydrogen fuel cell requires oxygen to operate.
F. _____When the temperature of a ferromagnetic material israised to a high enough level, it becomes diamagnetic.
G. _____The solubility of barium hydroxide is higher in purewater than it is in 1.0M hydrochloric acid.
H. _____In any reversible process, the entropy remainsconstant.
I. _____If two molecules are isomers of each other, they alwayshave the same chemical formula.
J. _____A square planar molecule can never be chiral.
K. _____The entropy of an element in its standard state iszero.
L. _____At equilibrium, the change in free energy for a givenreaction is zero.
