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1、1.Ifthepressureis0.01atmatanaltitudeof38kmand0.001atmat57km,whatisitat19km(ignoringtemperaturevariations)?2.Atanaltitudeof50km,theaverageatmospherictemperatureisessentially0°C.Whatistheaveragenumberofairmoleculespercubiccentimeterofairatthisaltitude?3.请计算标准状
2、态下1ppmv甲烷、0.5ppmv二甲基硫(CH3SCH3)的摩尔浓度和质量浓度。在压力为5hPa、温度为-20℃时又是多少?(假定均为理想气体)4.已知20℃时水的饱和蒸气压为2.34kPa,请分别计算20℃相对湿度为20%和55%时空气中水蒸气的体积浓度和质量浓度。(假定为理想气体)5.术语翻译Fate,transport运输,transformation转换Stratification层化,成层,阶层的形成,Troposphere,Tropopause对流顶层,Stratosphere,Mesospher
3、e,ThermosphereAtmosphericchemistry大气化学,ozone,ultraviolet紫外线,sink汇,最终去向,wetdeposition沉积作用,northhemisphere,Volatileorganiccompounds(VOCs),non-methanehydrocarbon(NMHC)碳氢化合物6.Ifthepressureis0.01atmatanaltitudeof38kmand0.001atmat57km,whatisitat19km(ignoringtemper
4、aturevariations)?答:0.1atm7.Atanaltitudeof50km,theaverageatmospherictemperatureisessentially0°C.Whatistheaveragenumberofairmoleculespercubiccentimeterofairatthisaltitude?答:由由和数量浓度,可得:8.请计算标准状态下1ppmv甲烷、0.5ppmv二甲基硫(CH3SCH3)的摩尔浓度和质量浓度。在压力为5hPa和-20℃时又是多少?(假定均为理想气
5、体)答:①标准状态下:1ppmv甲烷:摩尔浓度C=质量浓度A=0.5ppmv二甲基硫:摩尔浓度C=质量浓度A=②压力5hPa和-20℃状态下:1ppmv甲烷:摩尔浓度C=质量浓度A=0.5ppmv二甲基硫:摩尔浓度C=质量浓度A=1.已知20℃时水的饱和蒸气压为2.34kPa,请分别计算20℃相对湿度为20%和55%时空气中水蒸气的体积浓度和质量浓度。(假定为理想气体)RH蒸气压Pa体积浓度ppmv质量浓度mg/m30.24684618.83458.10.55128712701.79509.8体积浓度:质量浓度
6、:1.术语翻译Fate,transport,transformationStratification,Troposphere,Tropopause,Stratosphere,Mesosphere,ThermosphereAtmosphericchemistry,ozone,ultraviolet,sink,wetdeposition,northhemisphere,Volatileorganiccompounds(VOCs),non-methanehydrocabon(NMHC)Fate—归宿Transport
7、—传输Transformation—转化Stratification——分层,成层Troposphere——对流层Tropopause——对流层顶Stratosphere——平流层Mesosphere——中间层Thermosphere——热层Atmosphericchemistry——大气化学ozone——臭氧ultraviolet——紫外线辐射,紫外线的sink——汇wetdeposition——湿沉降northhemisphere——北半球volatileorganiccompounds(VOCs)——挥发
8、性有机物non-methanehydrocabon(NMHC)——非甲烷烃类大气化学作业21.Whyisitthat“highestlevelsofcarbonmonoxidetendtooccurincongestedurbanareasattimeswhenthemaximumnumberofpeopleareexposed?”1.Ifapowerplantburning10,00