Assessment: Heat and Thermal Phenomena

Which statement correctly distinguishes heat from internal energy?

Why does temperature remain constant while a substance melts or boils?

What is the key difference between thermal capacity and specific heat capacity?

Find the heat energy needed to raise 3 kg of water by 15°C (c = 4200 J/(kg·°C)).

Find the heat energy needed to vaporize 0.1 kg of water at its boiling point (Lᵥ = 2,260,000 J/kg).

0.25 kg of water at 95°C is mixed with 0.75 kg of water at 15°C (same c). Find the final temperature.

How much ice (in kg) can be melted by 668,000 J of heat energy (Lf = 334,000 J/kg)?

Why do coastal regions typically have milder, more stable temperatures than inland regions?

Why does water boil at a lower temperature on a high mountain?

Why are steam burns typically more severe than burns from an equal mass of boiling water, even though both are at 100°C?