A chemist is designing an experiment to investigate the effect of temperature on the rate of a chemical change. Suggest a suitable hypothesis for the experiment. Also, list the dependent, independent, and controlled variables that can exist in such an investigation.

Question

Brainster · Answer

Hypothesis: as temperature increases, the rate at which chemical change occurs increases.

Dependent variable: rate of chemical change

Independent variable: Temprature

Controlled variables: light exposure, exposure to any other substance, sterile or contaminated environment