如果一个人在密闭环境中一个小时需要多少克液氧？
\u4e24\u9053\u9ad8\u4e00\u5316\u5b66\u9898?1.\u5728\u76f8\u540c\u72b6\u51b5\u4e0b\uff0c\u4e00\u4e2a\u7a7a\u74f6\uff0c\u82e5\u88c5\u6ee1\u6c27\u6c14\u79f0\u5176\u8d28\u91cf\u4e3a36\u514b\uff0c\u82e5\u88c5\u6ee1\u4e8c\u6c27\u5316\u78b3\u79f0\u5176\u8d28\u91cf\u4e3a42\u514b...1\u3001\u74f6\u91cdm\u514b
(36-m)/32=(42-m)/44
m=20\u514b
A\u5206\u5b50\u91cfn\uff1a
(36-20)/32=(52-20)/n
n=64
2\u30012CO + O2 = 2CO2
2H2 + O2 = 2H2O
\u53cd\u5e94\u6d88\u8017O2 7.5L\uff0c\u5219\u6c27\u6c14\u5269\u4f597.5L\u3002
(1)\u82e5\u5269\u4f59\u6c14\u4f5315L\uff0cCO2\u4f53\u79ef\uff1a7.5L\uff1b
\u5219V(CO)=_7.5__L\uff0cV(\u6c22\u6c14)=__2.5_L\u3002
(2)CO2\u4f53\u79ef\uff1aa-7.5L\uff1b
V(CO):V(\u6c22\u6c14)=_\uff08a-7.5\uff09\uff1a\uff0817.5-a\uff09\u3002
\u6807\u51c6\u72b6\u51b5\u4e0b,\u6c27\u6c14\u7684\u5bc6\u5ea6\u662f1.429 g/L\uff0c
\u90a3\u4e48\u542b16\u514b\u6c27\u6c14\u4f53\u79ef\u662f:16 / 1.429=11.20\u5347
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