Given the Three Statements Below, Which Answer Is Correct

question 40

Multiple Choice

Given the three statements below, which answer is correct?
I. A thermochemical equation must include the physical state of all substances.
II. The coefficients in a thermochemical equation are interpreted as moles.
III. The sign of D H is negative for an endothermic reaction.

• A) I and II are true, III is false
• B) I and III are true, II is false
• C) I, II, and III are all true
• D) I, II, and III are all false
• E) II and III are true, I is false

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Definitions:

Message

A piece of information or communication sent from one person or entity to another, typically through verbal, written, or digital means.

Encoder

A device or process that converts information from one format or code to another, often for the purpose of standardization, speed, secrecy, or compressions.

Sublimation

Used unconsciously to express socially unacceptable instinctive drives or impulses in approved and acceptable ways.

Painful Situation

A distressing or discomforting circumstance that causes mental or physical pain.