Based on Reference Table I, which change occurs when pellets of solid NaOH are added to water and stirred?

(1) The water temperature increases as chemical energy is converted to heat energy.

(2) The water temperature increases as heat energy is stored as chemical energy.

(3) The water temperature decreases as chemical energy is converted to heat energy.

(4) The water temperature decreases as heat energy is stored as chemical energy.

Question

Chemistry

Yazmin

28 October, 23:26

Based on Reference Table I, which change occurs when pellets of solid NaOH are added to water and stirred?

(1) The water temperature increases as chemical energy is converted to heat energy.

(2) The water temperature increases as heat energy is stored as chemical energy.

(3) The water temperature decreases as chemical energy is converted to heat energy.

(4) The water temperature decreases as heat energy is stored as chemical energy.

+3

Answers (1)

Know the Answer?

Josephine Boyer · Answer 1

The correct answer is option 1. When pellets of solid NaOH are added to water and stirred, the temperature of water increases because chemical energy is converted into heat energy. Dissolution of sodium hydroxide in water is an exothermic process where heat is dissipated.