ä¹ é¢åè
1.å¸æ¶è½éï¼æ¾åºè½éï¼ååºç©æ»è½éä¸çæç©æ»è½éçç¸å¯¹å¤§å°ã
2.çéï¼æ¾åºã
3. CãHå
ç´ ï¼CO2ãH2Oã
4. â¡â¢â£â¤â¥ï¼â ã
5.D
6.C
7.AD
8.(1)D(2)C
9.ååºç©ä¸åå¦é®æè£éè¦å¸æ¶è½éï¼çæç©ä¸åå¦é®å½¢æåè¦æ¾åºè½éï¼å½æé®æ¾åºçè½é大äºæé®å¸æ¶çè½éæ¶ï¼ååºæç»æ¾åºè½éï¼è¿é¨åè½é以ççå½¢å¼æ¾åºå°±æ¯çè½ãå¸çååºæå¸æ¶ççé被ç¨äºç ´åååºç©ä¸çåå¦é®ã
10.åæä¹åå¦ç说æ³ãå 为æ¾çååºæ¯æé®æ¾åºçè½é大äºæé®å¸æ¶çè½éï¼ä½åå¦ååºé¦å
éè¦è½éæ¥æé®ã
ç»è®ºï¼ï¼1ï¼ä¸ä¸ªåå¦ååºå
¶æ£éååºçè½éååï¼å¨æ°å¼ä¸ç¸çï¼å¸æ¶ä¸æ¾åºç¸åï¼ï¼2ï¼ä¸ä¸ªåå¦ååºè½éååéä¸å
¶ååºç©çéæå
³ï¼ææ£æ¯ä¾ï¼
ï¼3ï¼ä¸ä¸ªåå¦ååºçè½éä¸å
¶ååºç©ï¼çæç©çç¶æï¼åºæ¶²æ°ï¼æå
³
12.(1)解1ç«æ¹ç±³=1000ç«æ³åç±³=1000åï¼æ以Q=N*890=1*103/22.4*890=39732.14KJ
(2)3.97*104*(1-20%)/4.18(100ææ°åº¦-25ææ°åº¦ï¼=101Kg
温馨提示:答案为网友推荐,仅供参考