ΔH = +572 KJ for the Decomposition of Water by the Reaction

question 42

Multiple Choice

ΔH = +572 kJ for the decomposition of water by the reaction 2 H₂O( ) → 2 H₂(g) + O₂(g) .How many grams of water can be decomposed by 5.00 × 10³ kJ of energy?

• A)157 g
• B)315 g
• C)0.0629 g
• D)2.57 × 10⁷ g
• E)5.15 × 10⁷ g

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Definitions:

Behavioral Learning

A theory that explains how people learn new behaviors through conditioning, either by associating two stimuli or by rewards and punishments.

Cue

A signal or stimulus that triggers a specific response or action, often used in behavior and perception.

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An internal state that motivates an individual to satisfy needs or achieve goals.

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In the feedback loop, the impact the message had on the receiver’s knowledge, attitudes, or behaviors during the communication process.