16 O 16 0 16 99,759% 17 O 16 1 17 0.037% 18 O 16 2 18 0,204 % Vesi 18 erinevat, 9 tüüpi on radioaktiivsed T sisalduse tõttu, orto- ja paravesinike tõttu kokku 36 vee molekuli H2O, HDO,D2O, DTO, HTO, T2O Raskevesi D2O, DHO ( tihedus 1,104 g/cm3), keemistemp 101,42 C, jäätumistemperatuur 3,8 C Üliraskevesi : T2O ditriitiumoksiid , M(T2O) = 2*3 + 16 = 22 g/mol DTO deuteeriumtriitiumoksiid, M(DTO) = 2+3+16 = 21 g/mol HTO prootiumtriitiumoksiid Kui vett moodustavad tema mingid teised isotooobid, siis arvesta ikka molaarmasside arvutamisel M(HT 18O) = 1+3+18 = 22 g/mol merevees on D aatomite suhe kõikidesse aatomitessse vees: D =1,56 *10-6
= euIV + I v yv Sy'e =,;**z f ,L '1, = l=rv (. t-r ) v t,hto' t #:n-l't'h = = 9"rv <= (YJ t"i:i;'= vlh roo b,r^?1% ttzvc,eb:'-ny1'Z t,tCopp'O,'.-llod t caLs o 'o z
Reading Readthe headings A-Handthetitleof the 3 Whatdo youexpectto readin the text? article. Readthe articleandcheckyourguesses. Readthe text againandmatchthe headings Thereis A-Hto eachpart1-6of thearticle. oneheading whichyoudo not needto use. Thereisan example at the beginning. A A s i n g l ec a r d B A d i f f i c u ldt e c i s i o n tr C Thepositiveside D N o t h i n gi s h i d d e na n ym o r e
Reading Readthe headings A-Handthetitleof the 3 Whatdo youexpectto readin the text? article. Readthe articleandcheckyourguesses. Readthe text againandmatchthe headings Thereis A-Hto eachpart1-6of thearticle. oneheading whichyoudo not needto use. Thereisan example at the beginning. A A s i n g l ec a r d B A d i f f i c u ldt e c i s i o n tr C Thepositiveside D N o t h i n gi s h i d d e na n ym o r e
Reading Readthe headings A-Handthetitleof the 3 Whatdo youexpectto readin the text? article. Readthe articleandcheckyourguesses. Readthe text againandmatchthe headings Thereis A-Hto eachpart1-6of thearticle. oneheading whichyoudo not needto use. Thereisan example at the beginning. A A s i n g l ec a r d B A d i f f i c u ldt e c i s i o n tr C Thepositiveside D N o t h i n gi s h i d d e na n ym o r e
Reading Readthe headings A-Handthetitleof the 3 Whatdo youexpectto readin the text? article. Readthe articleandcheckyourguesses. Readthe text againandmatchthe headings Thereis A-Hto eachpart1-6of thearticle. oneheading whichyoudo not needto use. Thereisan example at the beginning. A A s i n g l ec a r d B A d i f f i c u ldt e c i s i o n tr C Thepositiveside D N o t h i n gi s h i d d e na n ym o r e
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