Water, H₂O,and Methane,C H₄ ,Have About the Same Mass and Differ

question 133

Multiple Choice

Water, H₂O,and methane,C H₄ ,have about the same mass and differ by only one type of atom.Why is the boiling point of water so much higher than that of methane?

• A)The water molecule is less symmetrical than is the methane molecule.
• B)The oxygen of a water molecule has two lone pairs of electrons.
• C)The electronegativity difference between oxygen and hydrogen is greater than the electronegativity difference between carbon and hydrogen.
• D)all of the above

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Definitions:

Profit Maximizing

The process of finding the level of output where a firm achieves the maximum possible profit.

Kinked Demand Curve Model

Oligopoly model in which each firm faces a demand curve kinked at the currently prevailing price: at higher prices demand is very elastic, whereas at lower prices it is inelastic.

Rivals' Price

The cost set by competing businesses for similar products or services in the market.

Marginal Cost

The additional cost associated with producing one more unit of output.