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Chemistry, 21.05.2020 22:00 SavgeKid7578

A blacksmith heated an iron bar to 1445 °C. The blacksmith then tempered the metal by
dropping it into 42 800 cm of water that had a temperature of 22 °C. The final temperature of
the system was 45 °C. What was the mass of the bar?

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A blacksmith heated an iron bar to 1445 °C. The blacksmith then tempered the metal by
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