討論串[化學] 熱力學
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想問幾道題。. 1、在與外界隔離系統中,假設一塊溫度為100。C重量50g的銀(比熱=0.2350J/g。C),和溫度為0。C重量50g的鐵塊(比熱=0.4494J/g。C)放置接觸在一起,最後兩塊金屬的溫度為何?. (a)將高於50。c (b)將低於50。C (c)恰好為50。c (d)無法預測.
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1. A certain gas expand isothermally from 2L to 6L under room temperature. and then expand against a constant 2 atm pressure.. Calculate the following
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Consider the reaction as following:(C2H2:26.04 amu). C2H2(g) + 5/2 O2(g) ---> H2O(g) + 2CO2(g) ΔH = -1255.5 kJ. 1.Please calculate the PV work for the
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