Chemistry, 03.02.2021 01:40 devbar3416
1. Where does the heat used to re-inflate a balloon come from?
2.When a cup of hot coffee cools down, where does the heat go?
3. How can you keep a cup of coffee warm?
Answers: 2
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1. Where does the heat used to re-inflate a balloon come from?
2.When a cup of hot coffee cools dow...
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