Gerald's science teacher mixed room temperature samples of hydrochloric acid and sodium hydroxide in a large beaker. the solution still looked clear like water, but when the students carefully touched the beaker one at a time, it felt warm to the touch. why did the beaker most likely feel warm? a. the two liquids were not soluble in water. b. the release of a gas heated the solution. c. the energy of mixing warmed the solution. d. a chemical reaction was producing a new substance.
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