2023安徽合肥市肥东县综合高中高三一模数学答案

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6.C【解析】标准状况下,22.4L氮气的物质的量为1mol,ImolN2中含有14NA个质子,A错误;10.100mol·L的Na2CO3溶液屮,Na2CO3的物质的量为0.100mol,溶液中的阴离子除碳酸根离子外还有氢氧根离子故阴离子数大于0100NA,B错误;12g石墨烯和12g金刚石均含1mol碳原子故含有NA个碳原子,C正确;铁在氧气中燃烧生成四氧化三铁,故0.1molFe在足量氧气中燃烧,转移电子数为,NAD错误。故选C。

11.B【解析】未指明温度,∧错误;根据电荷守恒和物料守恒可得质子守恒B正确;根据Kw的计算公式可知(OH-)增大.C错误;Na2S是能水解的盐.能促进水的电离,D错误。故选B

I looked at what the second man had dropped; it was jewellery. It all happened too quickly,but I soon realized what had happened. They were burglars. My friend Jeremy, who was waitingfor me, quickly ran out. when hearing unusual noises. We called the police and they were there 5minutes later. I gave the police officer descriptions of the thieves and told them the names theyhad called outYou were brave for trying stop them, "said the officer: We should be able to catch themwith your information. " Jeremy told the officer the owners of the house were on holiday and gavehim a phone number. When the officer left, I told Jeremy about the mistake with the doornumbers. I hadn, t really been brave at all, but my mix-up had stopped the burglars getting awaywith the jewelry. Jeremy's neighbor thanked me a lot when they came back. Actually I have been

12.消除天然气中的H2S是能源领域的热点,常温下利用 CuNeo表面吸附H2S,研究表明氧化时有两种途径,如图所示途径1化剂吸附粒子HSH5过渡态H“+HS“过渡态2H“S“过渡态H4OH+SHO“+S吸附历程下列说法错误的是A.该反应历程中只有极性键的断裂和生成B.途径1和途径2的化学平衡常数相同C.途径2:HS+H△H=+430kJ·molD.化学反应速率:途径12023安徽合肥市肥东县综合高中高三一模数学答案