Please look at the first picture to answer key questions

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answerhappygod
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Please look at the first picture to answer key questions

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Please look at the first picture to answer key questions
Please Look At The First Picture To Answer Key Questions 1
Please Look At The First Picture To Answer Key Questions 1 (81.04 KiB) Viewed 24 times
Before 20.0 g H₂O T₁ = 20.0 °C After 20.0 g H₂O Tf=40.0 °C Case 1 beaker q=+1674 J ⇓ Case 2 40.0 g H₂O T₁ = 20.0 °C 40.0 g H₂O T₁=40.0 °C beaker q=+3348 J J Case 3 refrigerator -837 J 20.0 g H₂O T₁=20.0 °C 20.0 g H₂O Tf=10.0 °C ⇓
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