If the letter -p is replaced by -m in the word "clip", as indicated by "clim", the meaning of the original word has changed, therefore, the two letters are regarded as different phonemes.
【简答题】在 1000K 温度下,乙烷脱氢制乙炔分两步进行 C 2 H 6 (g) == C 2 H 4 (g) + H 2 (g) C 2 H 4 (g) == C 2 H 2 (g) + H 2 (g) 已知 C 2 H 6 (g) 和 C 2 H 2 (g) 1000 K 时的标准摩尔生成吉布斯函数分别为 114.223 kJ · mol -1 和 169.912 kJ · mol -1 ,则反应 C...