When 4.0 g of solid NaOH is dissolved in 100 mL of water
CHEMISTRY · Subjective · AP · Chemistry · Chemical Reactions · Chemical Reactions
Problem
When 4.0 g of solid NaOH is dissolved in 100 mL of water, the temperature of the solution rises from 22 °C to 35 °C. Identify the piece of evidence that indicates whether a chemical change has occurred and state the inference that follows about the nature of the process.