PUT YOUR UNDERSTANDING TO WORK

Practice with purpose.

Choose your focus. Build understanding, one question at a time.

YOUR FOCUS

Topic 6.3 · Heat Transfer and Thermal Equilibrium

11 MCQ questions available in this scope.

CourseUnitTopic

Completed scores · My progress

Question 1 of 110 checked

Your first graded answer counts.

How scoring works

Selections are kept when you move between questions. Finish grades any remaining selections; unanswered questions count as incorrect. Retries help you learn without changing your first score. Finished results go to My progress; unfinished answers stay in this session.

AP Chemistry · Topic 6.3: Heat Transfer and Thermal EquilibriumOpen topic

Original PrepAtlas question. This is not an official College Board question.

A warm solid and a cooler solid are placed in thermal contact inside an insulated enclosure. Which particle-level account best explains the initial net heat-transfer direction?

AA substance called cold moves from the cooler solid into the warm solid.BInteractions between particles transfer energy statistically from the higher-temperature body to the lower-temperature body.CAll particles in the warmer body stop moving and release their entire energy at once.DThe two solids must react chemically before any energy can pass between them.

Back to AP ChemistryFRQs and mixed sessions are not available yet.

Practice with purpose.

Topic 6.3 · Heat Transfer and Thermal Equilibrium

Practice question