Why is the temperature in each trial different (cheeto lab)

What is happening when the water inside a kettle heats up and begins to boil

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction

The term gas is limited to those substances that exist in the gaseous state at