Calculate the Enthalpy of Solution for the Dissolution of Sodium

question 131

Multiple Choice

Calculate the enthalpy of solution for the dissolution of sodium chloride, NaCl, molar mass = 58.443 g mol^-1. When 6.93 g of NaCl is dissolved in a coffee cup calorimeter containing 100.0 mL of water the temperature dropped from 23.5 °C to 22.4 °C. The specific heat of water is 4.184 J g^-1 °C^-1, and assume the density of the solution is 1.00 g mL^-1.

• A) -2.8 kJ mol^-1
• B) 3.9 kJ mol^-1
• C) -6.4 kJ mol^-1
• D) 4.1 kJ mol^-1
• E) 6.3 kJ mol^-1

Understand the multifaceted roles of various brain structures and their impacts on behavior and personality.

Comprehend the mechanisms and effects of neurotransmitters and hormones on neurological and psychological processes.

Recognize the implications of brain damage or alterations on personality changes and cognitive functions.

Identify the historical and contemporary perspectives on personality and behavior, including the influence of bodily humors and hormonal theories.

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Definitions:

Laws Are Not Neutral

The perspective that legal systems and their enactments do not simply reflect unbiased justice, but can be influenced by social, political, and economical biases.

Main Contribution

The most significant impact or innovation provided by an individual, organization, or theory within a particular field or area of study.

Chivalry Hypothesis

The argument that women and girls accused of criminal activity are treated more leniently by law enforcement officials as a result of the latter’s traditional, chivalrous attitude toward women.

Women's Crime

Criminal acts committed by women, an area of study that examines the patterns, causes, and social impacts of female criminal behavior.