Although Coal Is a Complex Mixture of Substances,its Elemental Composition

question 46

Multiple Choice

Although coal is a complex mixture of substances,its elemental composition can be approximated by the formula C₁₃₅H₉₆O₉NS.Using this formula,predict the amount of CO₂ released from the combustion of 1.00 × 10⁶ metric tons of coal (about the annual average for a coal-fired power plant) .1 metric ton = 1 × 10³ kg

• A)3.66 × 10⁹ kg
• B)3.11 × 10⁹ kg
• C)8.50 × 10⁸ kg
• D)3.11 × 10⁵ kg

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Definitions:

Power of a Test

The probability that a statistical test will correctly reject a false null hypothesis; a measure of a test's ability to detect an effect when there is one.

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect, and any observed difference is due to sampling or experimental error.

Probability

A gauge for predicting the chance that an event will happen, expressed in numbers that fall within 0 and 1.

Power Consumption

The amount of energy consumed by a device or system in a given period.