Question

labeling the parts of a calorimeter. this part insulates the reaction chamber from the transfer of heat to or from the surrounding environment. b. this part contains a known amount of water, which is placed there before the experiment starts. this part is where the metal is placed at the beginning of the experiment. this part is used for measuring the initial and final temperatures of the water.

Explanation:

The thermometer (A) measures temperature. The outer - layer (B) insulates. The inner - chamber (C) holds water and metal.

Answer:

1. A is used for measuring the initial and final temperatures of the water.
2. B insulates the reaction chamber from the transfer of heat to or from the surrounding environment.
3. C contains a known amount of water and is where the metal is placed at the beginning of the experiment.