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

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

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  1. (1) An incandescent light bulb shines on a sealed bottle containing only air from the room. We than add a small amount of water to the bottle, which evaporates, adding water vapor to the bottle. 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.

  2. (2) 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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