若取金刚石和石墨混合物共1 mol在O2中完全燃烧,产生热量为Q kJ,则金刚石和石墨的物质的量之比为多少?设金刚石和石墨分别为a和1-a mol,燃烧时放出热量分别为395.41a kJ和393.51(1-a)kJQ = 395.41a + 393.
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![若取金刚石和石墨混合物共1 mol在O2中完全燃烧,产生热量为Q kJ,则金刚石和石墨的物质的量之比为多少?设金刚石和石墨分别为a和1-a mol,燃烧时放出热量分别为395.41a kJ和393.51(1-a)kJQ = 395.41a + 393.](/uploads/image/z/4543510-22-0.jpg?t=%E8%8B%A5%E5%8F%96%E9%87%91%E5%88%9A%E7%9F%B3%E5%92%8C%E7%9F%B3%E5%A2%A8%E6%B7%B7%E5%90%88%E7%89%A9%E5%85%B11+mol%E5%9C%A8O2%E4%B8%AD%E5%AE%8C%E5%85%A8%E7%87%83%E7%83%A7%2C%E4%BA%A7%E7%94%9F%E7%83%AD%E9%87%8F%E4%B8%BAQ+kJ%2C%E5%88%99%E9%87%91%E5%88%9A%E7%9F%B3%E5%92%8C%E7%9F%B3%E5%A2%A8%E7%9A%84%E7%89%A9%E8%B4%A8%E7%9A%84%E9%87%8F%E4%B9%8B%E6%AF%94%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%E8%AE%BE%E9%87%91%E5%88%9A%E7%9F%B3%E5%92%8C%E7%9F%B3%E5%A2%A8%E5%88%86%E5%88%AB%E4%B8%BAa%E5%92%8C1-a+mol%2C%E7%87%83%E7%83%A7%E6%97%B6%E6%94%BE%E5%87%BA%E7%83%AD%E9%87%8F%E5%88%86%E5%88%AB%E4%B8%BA395.41a+kJ%E5%92%8C393.51%281-a%29kJQ+%3D+395.41a+%2B+393.)
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