有请物理大虾来,要NB 的,懂英语哦!

来源:百度知道 编辑:UC知道 时间:2024/07/02 13:52:17
几个题目:
1.Peter want to identifies the rock. He task of determining rock's composition. After carefully mwasures the fragment at 163g, he drills a 0.5mm diameter 2mm deep hole and embed a thermocouple in sample. Peter adds 3.888E3 Joules to the sample. The thermocouple records an internal temperature change rrom 22 degree C to 75 degree C. What does Peter conclude the result? and why? What other non-destructive testing could Peter do on the sample to determine its composition?
2.How much heat must a cryogenic chamber extract reom 30g of steam at 180 degeree C to convert the stram tice at 243 Kelvin?
3.120g of ice at -40 degree C is placed in 800ml of water at 90 degree C. There is no heat loss from the mixture.Find the equilibrium temperature of the mixture.
答案请详细解答下哦,谢谢了,感激^^
还是不会啊~谁来99???

这种问题应该提在美国~我帮你翻译答案就好了,哈哈~

第三题是这样翻译的:120克冰放在-40度到90度的800毫升水里,热量没有来自混合的损失,求混合的平衡温度.