🟧 Intermediate – STUDIA.app

🟧 Intermediate

Cup of Coffee!

Abel Ortiz2024-02-25T21:47:09-05:00Key Concepts: Entropy, Second Law of Thermodynamics, Specific heat, Thermal equilibrium|Difficulty: 🟧 Intermediate|

Calculate the entropy change of the water while it cools down.

🟧 Intermediate

Ice Block on a Hill!

Abel Ortiz2024-02-25T21:12:04-05:00Key Concepts: Inclined plane, Kinetic friction, Latent heat, Phase Change, Work done by friction|Difficulty: 🟧 Intermediate|

If all the friction work is dissipated as heat, calculate the fraction of ice that melts.

🟧 Intermediate

Jacuzzi!

Abel Ortiz2024-02-25T21:11:47-05:00Key Concepts: Calculus-based, Entropy, Second Law of Thermodynamics, Thermal equilibrium|Difficulty: 🟧 Intermediate|

How much does the entropy of the water and the surrounding air change?

🟧 Intermediate

Piston at Equilibrium!

Abel Ortiz2024-02-25T21:45:06-05:00Key Concepts: Constant volume, Equilibrium, Ideal gas|Difficulty: 🟧 Intermediate|

Calculate the temperature of the box such that the brick is at equilibrium.

🟧 Intermediate

Fitting a Steel Cable!

Abel Ortiz2024-09-01T01:52:02-04:00Key Concepts: Linear Thermal Expansion, Specific heat|Difficulty: 🟧 Intermediate|

How much should the engineer adjust the temperature so that the cable slides through the hole?

Bloque de hielo en una colina

Abel Ortiz2024-02-25T20:48:19-05:00Key Concepts: Calor latente, Cambio de fase, Fricción dinámica, Fricción dinámica, Plano inclinado, Plano inclinado, Trabajo realizado por la fricción|Difficulty: 🟧 Intermediate|

Si todo el trabajo de fricción se disipa en forma de calor, calcule la fracción del hielo que se derrite.