Which statement about the Beers Criteria is true?

Which of the following solids conducts electricity moderately due to a relatively small band gap, and increases conductivity as temperature increases?

Polonium is the only metal with a simple cubic unit cell structure.  How many atoms are in a unit cell of polonium metal?

Which statement best describes the relative average molecular velocity and the average kinetic energy when comparing samples of H2 and O2 gases?

Given that the following reaction begins at equilibrium, which of the following describes the reaction immediately after a small portion of reactant CO(g) is removed from the reaction container? CO(g)  +  H2O(g)

The molecular orbital diagram for a ground state hydrogen molecule or hydrogen diatomic ion is provided.  What is the bond order and the identity of that molecule or ion?

Consider the following endothermic reaction at equilibrium in a closed container:  CO(g) + 3H2(g)  

What is the conjugate acid formed when H2PO4

Which of the following processes occurs with an increase in entropy of the system (

Under which conditions is a reaction spontaneous in the reverse direction (nonspontaneous in the forward direction) at all temperatures?