QUICK REVIEW
Quick Review — Heat, Specific Heat, and Calorimetry — Algebra-Based
Refresh the essential ideas and relationships for Heat, Specific Heat, and Calorimetry in just a few minutes.
TIME
5–10 minutes
BEST FOR
A rapid refresh
FINISH WITH
Key ideas refreshed
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Course Alignment
This Physics Sensei Unit Review is an independent learning resource. Use it to reinforce key concepts, prepare for homework, or review before a quiz or exam.
RESOURCE: Physics Sensei Unit Review | UNIT ID: THM-U03 | TOPIC: Heat, Specific Heat, and Calorimetry | COURSE LEVEL: Algebra-Based College Physics
BEST USED ✓ After learning the unit ✓ Before starting homework ✓ Before a quiz or exam
Your Review Plan
Complete these four stages to quickly refresh the essential ideas and confirm you're ready to continue.
4 Stages • Approximately 5–10 minutes.
Quick Recall
Let's quickly refresh what you already know. These short recall activities will help you bring the most important ideas back to mind before reviewing them.
QUICK RECALL
Recall Activity
Complete the three statements from memory before revealing the answer.
Write the two equations that organize this unit.
Reveal Answers
Q = mcΔT and ΣQ = 0 for an insulated calorimetry system.
Why it works: The first models each object; the second connects the objects.
Ready to refresh the essentials?
Great! Now let's review the most important ideas you'll want to remember.
Essential Idea
Take one last look at the most important concept from this unit. If you remember this idea, the rest will come back much more easily.
ESSENTIAL IDEA
Sensible Heat: Q = mcΔT
When a substance remains in one phase and c is approximately constant, the heat transfer associated with a temperature change is Q = mc(Tf − Ti). The sign is built into ΔT.
Q = mc(Tf − Ti)
Example: For 0.200 kg of water warmed 5.0 °C: Q = (0.200)(4186)(5.0) ≈ 4.19×10³ J.
Sensei note: Keep mass and specific-heat units compatible before substituting.
Ready to check your memory?
You've refreshed the essential idea. Now see how much you remember before moving on. Need a quick reminder?
Confidence Check
You've refreshed the essential ideas. Now answer this quick confidence check to confirm you're ready to move on.
CONFIDENCE CHECK
Solve for Heat
Answer all three without notes.
A 0.50 kg material with c = 800 J/(kg·°C) cools by 10 °C. Find Q.
Reveal Answers
Q = (0.50)(800)(−10) = −4000 J.
Why it works: The negative sign represents heat released.
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Next Step
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