Is heating an aluminum pan a chemical or physical reaction​

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Determine type of reaction & predict the product c3h12+o2 =

A20 gram piece of metal is added to a sample of 100 grams of water inside a calorimeter. if the metal is at a temperature of 125° celsius and the water is at 20° celsius, which of the following best describes what will occur inside the calorimeter? (2 points)