A 15-G Sample of Lithium Is Reacted with 15 G $\to$

question 4

Multiple Choice

A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride: 2Li + F₂ $\to$ 2LiF.After the reaction is complete,what will be present?

• A)2.16 moles lithium fluoride only
• B)0.789 moles lithium fluoride only
• C)2.16 moles lithium fluoride and 0.395 moles fluorine
• D)0.789 moles lithium fluoride and 1.37 moles lithium
• E)none of these

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Definitions:

Door-In-The-Face Technique

A compliance method whereby a large request is made knowing it will be refused so that a subsequent, smaller request is more likely to be accepted.

Large First Request

A persuasion technique where a more significant request is made initially, expected to be refused, followed by a smaller request, which seems more reasonable by comparison.

Social Norms

Unwritten rules that govern the behavior of individuals within a society or group, guiding what is considered acceptable or unacceptable behavior.

Cognitive Dissonance

The psychological discomfort experienced when holding two or more conflicting beliefs, values, or attitudes.