Consider the Reaction Shown

question 18

Multiple Choice

Consider the reaction shown:
452 kcal + 4 PCl₅(s) → P₄(s) + 10 Cl₂(g)
This reaction is ________ because the sign of ΔH is ________.

• A)endothermic;positive
• B)exothermic;positive
• C)endothermic;negative
• D)exothermic;negative
• E)exothermic;neither positive nor negative

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Definitions:

Direct Approach

A straightforward method of communication or action where intentions or requests are stated clearly and openly.

Routine Request

A standard or typical inquiry or petition for information, services, or action that follows a predictable pattern or format.

Tone

The attitude or emotional quality conveyed through the choice of words and style in communication.

Budget

An estimate of income and expenditure for a set period of time, outlining planned financial transactions and goals.