In a Voltaic Cell

question 33

Multiple Choice

In a voltaic cell:

• A) oxidation occurs at the positive electrode.
• B) electrons flow through the external circuit from the negative to the positive electrode.
• C) the charge is carried through the solution by electrons and protons.
• D) electrical energy is consumed to cause a chemical change.
• E) none of these.

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Definitions:

Soybean Future

A standardized contract for the future sale or purchase of soybeans, traded on a commodities exchange.

Wheat Spot Price

The current market price at which wheat can be bought or sold for immediate delivery.

Profit

The financial benefit that is realized when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.

Contango

A situation in futures trading where the future price of a commodity is higher than the spot price, often indicating expectations of rising prices.