The rusting of the sheet metal of a car is an example of:  

Which of the following is a true statement about a redox reaction.  

A salt bridge between half-reactions maintains the electrical balance of a galvanic cell. This bridge is filled with:  

Single use, non-rechargeable batteries are referred to as secondary cells.

Calculate the cell potential (E0) for a galvanic cell formed from the following two half-reactions?   Ni2+(aq) + 2 e− Ni(s) E0 = −0.25 V   Mn2+(aq) + 2 e− Mn(s) E0 = −1.18 V  

The cathode is represented as being the substance that:   

Which of the following species undergoes reduction in the formation of iron (III) oxide?4Fe(s) + 3O2 (g) → 2Fe+3 + 3O2-(aq)  

The species undergoing oxidation is referred to as an reducing agent.

If a 5.0 L flask holds 0.125 moles of nitrogen at STP, what happens to the entropy of the system upon cooling the gas to -75 °C?  

According to the second law of thermodynamics, the entropy of the universe must ____ for a spontaneous process.