For a Star of 10 Solar Masses, Its Main Sequence

question 38

Multiple Choice

For a star of 10 solar masses, its main sequence life span will be:

• A)ten times longer than our Sun's.
• B)about the same as the Sun's.
• C)only a tenth of the Sun's.
• D)about a hundred times less than the Sun's.
• E)only 1/1000th of the Sun.

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Definitions:

Oxidation-reduction

Chemical reactions involving the transfer of electrons from one substance to another, affecting the oxidation state of the involved species.

Precipitation Reaction

A precipitation reaction is a chemical reaction in which soluble ions in separate solutions react to form an insoluble compound that settles out of solution as a solid precipitate.

Limiting Reactant

The limiting reactant is the substance in a chemical reaction that is completely consumed first, thereby determining the maximum amount of product that can be formed.

Wax

A diverse class of organic compounds that are malleable at slightly higher temperatures than room temperature and mainly consist of hydrocarbons.