最近30从www.hoelymoley.com 2023 - 04 - 12 - t03:02:41z //www.hoelymoley.com/feeds/question/24168 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/24168 1 Elhammo //www.hoelymoley.com/users/26907 2022 - 08 - 15 - t18:34:57z 2022 - 08 - 16 - t15:16:01z

< p >出于某种原因,我只能在ppm找到答案,我不知道如何做这个转换。< / p >

//www.hoelymoley.com/questions/24168/what-is-the-current-atmospheric-concentration-of-small-sfco-2-in-the-atmosp/24172 # 24172 3 弗雷德 //www.hoelymoley.com/users/2470 2022 - 08 - 16 - t01:35:23z 2022 - 08 - 16 - t01:35:23z

< p >我认为你要求的是< a href = " https://en.wikipedia.org/wiki/Partial_pressure " rel = " nofollow noreferrer " > < / >分压的二氧化碳在大气中。< / p > < p >二氧化碳的分压可以确定,,< / p > < p > <跨类= " math-container " >美元P_{二氧化碳}\ = \间{二氧化碳}\ cdot P_ {atm} $ < / span > < / p > < p >一摩尔的物质完全等于6.022⋅10 <一口> 23 < /一口>分子的物质(阿伏伽德罗常数,< span class = " math-container " > N_A美元< / span >)。< / p > < p >二氧化碳的摩尔数,< / p > < p > <跨类= " math-container " >摩尔美元数量\ \二氧化碳\ = \ \ \分子\ \的二氧化碳\ cdot N_A $ < / span > < / p > < p >如果大气中二氧化碳的浓度400 ppm,然后< / p > < p > <跨类= " math-container " >美元n_{二氧化碳}\ = \ \压裂{400}{000}\ 000 \ \ cdot N_A \ = \ 0.0004 \ cdot N_A $ < / span > < / p > < p >因此,大气中二氧化碳的分压,< / p > < p > <跨类= " math-container " >美元P_{二氧化碳}\ = 0.0004 \ cdot 101 \ 325 \ = \ 40.53 \ Pa atm \ = \ \ = 0.0004 \ \ 0.304 mmHg $ < / span > < / p >

//www.hoelymoley.com/questions/24168/what-is-the-current-atmospheric-concentration-of-small-sfco-2-in-the-atmosp/24176 # 24176 2 blacksmith37 //www.hoelymoley.com/users/8409 2022 - 08 - 16 - t15:16:01z 2022 - 08 - 16 - t15:16:01z

< p >不那么优雅@fred答:400 = 0.04%,CO 2 0 04%或0.0004 atm。< / p >

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