How many kilojoules of heat are released into your skin if your arm comes in contact with 23.0g of steam. Temp of arm 37 c?
回答 (1)
2016-12-16 3:06 am
✔ 最佳答案
Supposing the steam is at 100°C:(2257 J/g) x (23.0 g) = 51911 J from the condensing steam
(4.184 J/g·°C) x (23.0 g) x (100 - 37)°C = 6062.616 J from the condensed steam cooling to 37°C
51911 J + 6062.616 J = 57974 J = 58.0 kJ total
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