When a Substance Changes Phase,from Solid to Liquid or Liquid

question 26

Multiple Choice

When a substance changes phase,from solid to liquid or liquid to vapor and vice versa,there is no change in temperature,even though heat is being added or removed.Why is there no change in temperature?

• A)During a phase change,energy is used to break/establish the intermolecular bonds rather than stored as kinetic energy of the molecules.
• B)During a phase change,temperature is not well defined since there are two phases involved.
• C)During a phase change,energy is needed to overcome the gravitational pull.
• D)During a phase change,the temperature measured is the last temperature of the measuring device.
• E)none of the above

Recognize the social and humanitarian issues following WWII, including displaced populations and the establishment of the welfare state.

Analyze the impact of post-war trials on the perception and prosecution of war crimes and human rights.

Understand the foundational research methods used in psychology.

Comprehend the distinctions between various research methods and their applications.

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Definitions:

Commitment

The most successful outcome of a leader’s influence tactic: The person makes a full effort.

Majority Opinion

The viewpoint held or decision made by the greater number of individuals within a group or among a specific audience.

Collaboration

The process of two or more people or organizations working together to complete a task or achieve a goal.

Reporting Relationships

The formal lines of authority and communication between positions within an organization.