题目内容

China has a population _________ than anyother country in Asia.

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The weather of Harbin in winter is _________ than that of Beijing.

He ran a fever yesterday but feels far __________ today.

下列纯态单质中,哪些单质的标准摩尔生成焓不等于零()

A. 金刚石
B. Fe(s)
C. O3
D. Hg(g)
E. Br2(l)
F. 石墨

已知298.15K、100kPa下,反应N2(g)+2O2(g)→2NO2(g)的△rHmy=66.36kJ·mol-1,则NO2(g)的标准摩尔生成焓为( )kJ·mol-1

A. -66.36
B. 33.18
C. -33.18
D. 66.36

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