What Is the Boiling-Point Change for a Solution Containing 0

question 74

Multiple Choice

What is the boiling-point change for a solution containing 0.251 mol of naphthalene (a nonvolatile,nonionizing compound) in 250.g of liquid benzene? (K_bp = 2.53°C/m for benzene)

• A) 2.54 °C
• B) 10.08 °C
• C) 0.159 °C
• D) 2.52 °C
• E) 0.635 °C

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Definitions:

Imprinting

(1) The expression of a gene based on its parental origin; also called genomic imprinting or parental imprinting. (2) A type of learning by which a young bird or mammal forms a strong social attachment to an individual (usually a parent) or object within a few hours after hatching or birth.

Circadian Rhythm

The internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.

Environmental Stimulus

A change in the environment that elicits a response from an organism.

Sign Stimulus

Any stimulus that elicits a fixed action pattern in an animal.