How Much Energy Is Required to Vaporize 158 G of Butane

question 47

Multiple Choice

How much energy is required to vaporize 158 g of butane (C₄H₁₀) at its boiling point if its Δ_vapH is 24.3 kJ mol^-1?

• A) 15.1 kJ
• B) 66.1 kJ
• C) 89.4 kJ
• D) 11.2 kJ
• E) 38.4 kJ

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Definitions:

Chi-squared Distribution

A distribution that arises from the sum of the squares of a number of independent random variables.

Multinomial

Related to outcomes or processes that can fall into more than two categories in statistical experiments.

Categories

Distinct groups or classes into which items or individuals can be sorted based on shared qualities or characteristics.

Proportion

A statistical measure that indicates the fraction of the total population that possesses a particular attribute or characteristic.