Suppose a Highway Curve Is Properly Banked to Eliminate Friction

question 11

Multiple Choice

Suppose a highway curve is properly banked to eliminate friction for a speed of 45 mph.If your tires were bald and you wanted to avoid sliding on the road,you would have to drive

• A) somewhat below 45 mph.
• B) somewhat above 45 mph.
• C) at exactly 45 mph.

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Definitions:

Delta G

The change in Gibbs free energy, predicting the direction of chemical reactions and their spontaneity.

Free Energy

A thermodynamic quantity that represents the amount of energy in a system that is available to do work.

Reactants

Substances initially present in a chemical reaction that are consumed during the reaction to create products.

Endergonic Reactions

Chemical reactions that require an input of energy to proceed and are characterized by a positive change in free energy.