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Warmer than before. Cooler than before. About the same temperature as before.

This experiment explores the temperature dynamics within a sealed bottle that contains air and water. When antacid tablets are added, they react with the water, producing carbon dioxide (CO2) gas. Observations are made after the reaction stabilizes to determine whether the temperature inside the bottle is warmer, cooler, or the same as before the reaction. This exercise highlights the interaction between chemical reactions and temperature changes in a closed system.

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Warmer than before. Cooler than before. About the same temperature as before.

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Presentation Transcript

  1. A light bulb shines on a sealed bottle containing air from the room plus some liquid water. We than add antacid tablets, which produce CO2 gas when dissolved in water. After a while, when the temperature inside the bottle becomes steady again, what will its temperature be like? Warmer than before. Cooler than before. About the same temperature as before.

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