[化學] 一題題目
題目是這樣的(出自成大96化學系的普化)
you make 325g of a solid (mp:58度C,heat of fusion:345 J/g) and let it
melt in 755g of water. The water temperature decreases from its initial
temperature to 30度C. Calculate the initial temperature of the water.
請問這題該怎麼算= ="
我完全想不到該用什麼公式...
總覺得作考古題常讓自己很慌張....
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.216.174.25
推
06/27 17:07, , 1F
06/27 17:07, 1F
→
06/27 23:45, , 2F
06/27 23:45, 2F