20. Heat and Temperature

Advanced Calorimetry:Equilibrium Temperature with Phase Changes

Advanced Calorimetry: Equilibrium Temperature with Phase Changes

Equilibrium temperature of a mixture of two substances at different temperatures

Calculating Equilibrium Temperature in Calorimetry Problems with Phase Changes

1-85 Thermal equilibrium with phase change

Calculating equilibrium temperature that includes a phase change: Chemistry sample problem

Calculating final temperature through heat exchange in thermal equilibrium

A copper calorimeter can with mass 0.100 kg contains 0.160 kg of water and 0.0180 kg of ice in thermal equilibrium at atmospheric pressure. If 0.750 kg of lead at 255°C is dropped into the calorimeter can, what is the final temperature? Assume that no heat is lost to the surroundings.

A copper pot with a mass of 0.500 kg contains 0.170 kg of water, and both are at 20.0°C. A 0.250-kg block of iron at 85.0°C is dropped into the pot. Find the final temperature of the system, assuming no heat loss to the surroundings.

Sample Problem on Thermal Equilibrium Involving Phase Change

A blacksmith cools a 1.20-kg chunk of iron, initially at 650.0°C, by trickling 15.0°C water over it. All of the water boils away, and the iron ends up at 120.0°C. How much water did the blacksmith trickle over the iron?

Heat and phase changes

Equilibrium with Phase Change

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