据估计,全国一年可产生城市生活垃圾约5.6×108t,焚烧生活垃圾释放

据估计,全国一年可产生城市生活垃圾约5.6×108t,焚烧生活垃圾释放的热量为我所用,是综合利用垃圾的一种方法。若燃烧1t生活垃圾可以放出1.176×1010J的热量,问:

11.176×1010J的热量相当于完全燃烧多少焦碳产生的热量?

21.176×1010J的热量可以在一个标准大气压下将多少体积的水由20℃加热到沸腾?

(ρ=1.0×103kgm3c=4.2×103J(kg·℃)q焦碳=3.0×107Jkg

答案

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