Two Solutions (The System), Each of 25

question 17

Multiple Choice

Two solutions (the system) , each of 25.0 mL volume and at 25.0°C, are mixed in a beaker. A reaction occurs between them, and the temperature rises to 35.0°C. After the products have equilibrated with the surroundings, the temperature is again 25.0°C and the total volume is 50.0 mL. No gases are involved in the reaction. Which one of the following relationships concerning the change from initial to final states (both at 25.0°C) is correct?

• A) .  E = 0
• B) .  H = 0
• C) .  E > 0
• D) q = 0
• E) w = 0

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Definitions:

Affective Aggression

Aggression resulting from aversive affect (negative emotion that people seek to reduce or eliminate). More common among persons who believe that acting aggressively will make them feel better.

Shouts

Vocal expressions that are loud and often convey strong emotion or are used to attract attention.

Angry

An emotional state characterized by feelings of displeasure, irritation, or hostility.

Target Influence

The act of directing persuasive efforts towards a specific individual or group in order to change their beliefs or behaviors.