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Chemistry, 11.02.2020 22:46 kawaiiiiiiii4715
18. Which of the following reactions are endothermic or exothermic? Explain your answers. A. When a certain amount of potassium nitrate is dissolved in water, the water temperature drops from 23°C to 18°C. B. Jack cooks himself a steak. C. When cold water is mixed with sulphuric acid, the mixture can rapidly reach the boiling point of water. D. A flare burns up slowly.
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18. Which of the following reactions are endothermic or exothermic? Explain your answers. A. When a...
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