The Boiling of Water Is a

question 35

Multiple Choice

The boiling of water is a

• A)physical change because the water merely disappears.
• B)chemical change because heat is needed for the process to occur.
• C)physical change because the gaseous water is chemically the same as the liquid.
• D)chemical and physical change.
• E)chemical change because a gas (steam)is given off.

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Definitions:

Product Life Cycle

The stages through which a product goes from its introduction to the market, growth, maturity, and eventually decline.

Network Effects

The phenomenon whereby a service becomes more valuable as more people use it, thereby encouraging even more users to join.

Capital Requirements

The total amount of capital needed for a business to carry out its operations, including costs for assets, staffing, and day-to-day expenses.

Economies of Scale

Cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.