ad and so so hemisphere hph troposphere sorry 0.93% 78.9% oxygen AR but meth m us 93° can you imagine this minus 93° foral constant conal to constant p is proportional 1 by V P1 V1 = P2 V2 p v con P1 V1 = [Music] okay so so for number us 273° Cal 1 by3 MN c² standard andess 24789 LP STP de c° C oh equal PM by RT c number W by m w by m RT okay Nal W by m equal to W by V RT so w by V density P liter ATM mole inverse Kelvin inverse 0.0821 okay so answer 10 the power 7 okay 8.32 into 10 power 7 8.314 1.98 inverse invers so 8.314 invers c131 4 into 10^ 7 AR inverse invers 8.314 6.2 into 10 23 okay 138 1.38 into 10^ minus 23 [Music] SOC 1 1 325c okay m p r p 2.2 08 2.25 into 821 into divid by8 6719 67.1 number 67 so answer number so 1 by V 0.05 05 1 by 0.5 okay 0.422 1 by 0.042 P2 so P2 V2 P PM V1 1 by 0.052 1 by 0.042 okay done 0.042 0.5 042 05 to 84 0.84 so 0.84 number 0.84 ATM so into divid by total Mo divided by total MO for 0.78 078 ATM 1.032 G oxygen or 0.573 1.32 0.573 073 0573 divided divided by total 1.032 divid 0.573 5 so 573 divid 44 divided by 1.032 divided by 32 plus 573 divid 44 0.28 0.28 yes 0.28 0.287 287 okay 1 1 hen 1 [Music] okay me equal to into divid by that means indirect so X of hydrogen so hyren w by m 1 by 2 div Total 1 by 16+ 1 by 2 1 g soal w by m so w w 1 g hydren 2 by 1 16 plus5 8 by 9 8 by 9 say answer c number 8 by okay done stmm mm of pressure number mm of mar press 3.2 G gas 2.24 l so pval w by m rtal m equal WT / PV so w 3.2 3.2 8.314 224 l21 2.24 2.24 3.2 into 821 into 273 3 divided by by 2.24 2.24 32019 32.0 one9 answer key oxygen answer oxygen so 0.3 0.5 plus 0.3 0.5 plus 0.3 by so okay 3 3 37 into okay okay CM 25 cm 25 minus 6 AM R1 by R2 = root M2 by M11 okay equal to distance time SO2 25 x 25 HCL 36.5 M1 ammonia over 36.5 36.5 divid 17 1.46 x = to 25 into 1.46 1.46 minus 1.46 x so 2.46 so 25 into 1.46 2.4 xal xal CM okay xal okay 36.5 by 17 1.4 46 1.46 okay 2.46 25 into 1.46 okay done 25 into 1.46 2.46 so R12 root M2 ID M1 yes or not so R1 M1 R1 into root M1 ammonia HCL 36.5 chlorine chlorine 71 nitren carbon Carbono oxy Carbono e eth am nit soal root 3 RT / m RMS equal root 3 RT / M yes or not so Ro 314 Mar Mass 8.314 8.314 into 273 273 divid by 32 xus 3 so yes 46128 something so answer B number 3 into 8.314 into 32 3 into 8.314 10 Kelvin so answer number so 48356 okay gy chlorine so ne ne so 3 by 2 RT done so answer D number r r 3 by2 into R 8.314 yes or not just Val 1.5 into 8.314 into 290 361 6.59 361 6.59 J 3 by 2 K 3 133 so 1.5 into 1.3 8 x^ - 23 into 298 so 6.16 into 10 - 21 6.16 into 10^ - 21 so 10^ - 21 answer 1.5 into 1.38 - 23 into 6.16 into 10^ minus 21 6.16 into 10^ minus 21 okay so blank 10us 21 okay sorry 6.16 into 10us 14 number 6.17 into 10us 14 AR okay done done done nitrogen 616 23 Theus 23 answer number into 10 minus 23 into 10 minus 23 okay 2 N 8.314 into 29° 29 1.5 into 3 into 8.314 into 29 28 43.5 n w m r r P Al 2 R so w by m p yes p 2 so answer c number p 4 byal 2us nus equal n p plus n² a v² vus Nal n hyren heli hen one okay gas C6 96% simple simple okay carbon dioxide carbon monoxide nitrogen monoxide Nitric oide okayo hydrocarbon nitrogen nitrogen monoxide or ozone a gas CF %bo greenhouse gas cf2 so cf2 C F2 CFC CF CF CFCF 5 5.65 5.2 Dio Ando e CO3 2us okay a [Music] c b o e Al [Music] SO2 okay Lou carbon monoxide Lou sorry carbon monoxide Lou BAS h H h23 so answer B H2 CO3 plus P H3 minus plus h plus h233 h Ami number forf for dissolv oxygen water migr per lit 0.05 PPM B for. for. so1 hemoglobin chromi chromi chromi [Music] SOI for a v is proportional to V is proportional to n isal to P22 3.15 3.15 2.5 2.5m V2 so V2 equal to 3.15 divid 2.5 okay SO2 . for = 13 M cin kin so so more appropriate okay so just root over 3 R by m 8.314 into 2 root over 3 into 8.314 into ID x^ minus 3 h n spe trior FD [Music] [Music] m l [Music] 1.43 G so G p w m r 1.43 r r 0.0821 l so 1.43 into 821 into 32 3224 important minus 240° VT = to V plus v t forl 6.5 8.5 okay Carbono Dio niten Dio par oxy nitrate photochemical smoke p p a NS pens photo smoke chlorine monoxide 55us 55° for for K right answer 0us con con [Music] water so number so one and two right so a h so answer D number done chob answer 2mi calcium 2 plus hoglin dise right SU okay so answer and three 2 and three number so and three one and three right answer so one and three right answer yes or not foral n so X V equal to Conant equal to KTAL to constant Bo Char mixing mixing [Music] soy oy so root 3 into 8.314 3 into 8.314 into 298 divid byus 3 yes 3.2 325 something 75 75 okay 101.325 KC kilil okay Kil v11 = P2 V2 1.75 kilopascal 1 75 75 kilopascal done V2 101.325 290 75 into. 6 into 273 divided by 10 1 325 into 290 so 0.567 0.567 lit say B number so that's all and finally T bye-bye