Benzene Is a Starting Material in the Synthesis of Nylon $\degree$

question 32

Multiple Choice

Benzene is a starting material in the synthesis of nylon fibers and polystyrene (styrofoam) . Its specific heat capacity is 1.74 J/(g ? K) . If 16.7 kJ of energy is absorbed by a 225-g sample of benzene at 20.0 $\degree$ C, what is its final temperature?

• A) -22.7\(\degree\)C
• B) 36.7\(\degree\)C
• C) 42.7\(\degree\)C
• D) 62.7\(\degree\)C
• E) None of these choices is correct.

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Definitions:

Protective Factors

Events or circumstances that help to offset, or buffer, risk factors. Anything that lessens the likelihood of disease. For example, exercise is thought to be a protective factor for cardiovascular disease.

Risk Factors

Events or circumstances that increase the likelihood of later pathology.

Psychopathology

Both the scientific study of psychological abnormality and the problems faced by people who suffer from such disorders.

Resilience

The capacity of people to “bounce back” and cope with stress and catastrophe.