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✨ Best Answer ✨

画像参照🙇
1の107kJ/mol

3C+4H2=C3H8+QkJ

Q=左辺の燃焼熱合計-右辺燃焼熱合計
 =3❌394+4❌286-2219
 =107kJ/mol 🙇

しゅう

そうやって解くんですね!
ありがとうございます!

🍇こつぶ🐡

いえいえ🙇

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