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1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

1. Intro to General Chemistry

Temperature

General Chemistry

1. Intro to General Chemistry

Temperature

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Multiple Choice

Which of the following containers would have the greatest flow of thermal energy in the form of heat?

Beaker with 40 g of water at 50°C, illustrating thermal energy flow.

Beaker with 120 g of water at 50°C, illustrating thermal energy flow.

Beaker with 30 g of water at 50°C, illustrating thermal energy flow.

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Verified step by step guidance

Identify the formula for calculating the heat flow, which is q = m * c * ΔT, where q is the heat flow, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.

Recognize that all containers have water at the same initial temperature (50°C) and will likely cool to the same final temperature, so ΔT will be the same for all.

Note that the specific heat capacity (c) of water is a constant value, approximately 4.18 J/g°C.

Understand that since ΔT and c are constant for all containers, the heat flow (q) is directly proportional to the mass (m) of the water.

Compare the masses of water in each container: 30 g, 40 g, and 120 g. The container with the greatest mass (120 g) will have the greatest flow of thermal energy in the form of heat.