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66<br />

Experimentelles<br />

Tabelle 4.18 :<br />

Koeffizienten der Arrheniusgleichungen für die<br />

Gleich ewichts artialdrücke im Dampf über W<br />

log (p ; / bar) = A T + B<br />

A<br />

B<br />

[3 .08] [4 .25] [3.08] [4.25]<br />

WO -37870 -37870 14,574 15,118<br />

W02 -35080 -35080 12,731 13,825<br />

0 -36270 -36270 13,275 13,516<br />

Tabelle 4.19 : Im Rahmen dieser Arbeit bestimmte thermodynamische Daten<br />

(Mittelwerte und Standardabweichun en aus zwei Messun en<br />

QT<br />

lob K p +B<br />

Reaktion<br />

-A T T m K p( Tm)<br />

[K] A<br />

B [K]<br />

1 [3 .081 2021-2280 28640±891 -4,933±0,46 2150 2,44-10'<br />

1 [4.251 2021-2281 28640±891 -4,566±0,46 2150 5,69-10"<br />

H [3-.08] 2021-2282 33405±2991 -9,230±1,22 2150 2,03-10'<br />

II [4 .25] 2021-2283 33405±2991 -8,908±1,22 2150 4,26Î0<br />

III [3 .08] 2021-2284 62045±2100 -14,164±0,76 2150 4,94I0'4<br />

111 [4 .251 2021-2285 62045±2100 -13,474±0,76 2150 2,42 . 10'-'<br />

IV [3 .081 2021-2286 20955±3981 -6,597±1,66 2150 1,41.103<br />

IV [4 .251 2021-2287 20955±3981 -6,328±1,66 2150 2,62-10 3<br />

V [3 .081 2021-2288 32650±184 -4,599±0,04 2150 3,86-10 1"<br />

V [4 .25] 202l-2289 32650±184 -3,971+0,04 2150 1,64-10"<br />

VI [3 .08] 2021-2290 70060±2507 -13,496±1,90 2150 1,23-10"<br />

VI [4 .251 2021-2291 70060±3507 -12,284±1,90 2150 2,00I0`°<br />

I ' WO(9) + 0(g) ---> W02(g) IV 1,5WOZ(g) ---> W0 3(g) + 0,5W(s)<br />

II W02(g) + 0(g) ---> W03(g) V 2WO(g)<br />

III WO()<br />

-> W0 2(g) + W(s)<br />

+ 20() ---> W0 3() VI WO(g) -> W03() + 2W(s)<br />

Tabelle 4.19 Fortsetzun<br />

OH° Tm AGT,<br />

Reaktion 0 k AH (' 298<br />

x'298 ~S o Tm OS " Zgg<br />

J<br />

J<br />

MOI<br />

mol<br />

mol<br />

mol<br />

2 . HS<br />

mol K mol K<br />

2 . HS<br />

3.HS 2.HS 2.HS<br />

1 [3 .08] -548,4±17,1 345,2±3,0 -545,6±17,1 -619,6±1,4<br />

1<br />

-94,5±8,8<br />

[4 .25]<br />

-170,8±8,8<br />

-548,4±17,1 339,4±3,1 -545,6±17,1 -613,8±1,4 -87,4±8,8<br />

11 [3 .08] -639,6±57,3<br />

-163,8±8,8<br />

259,7±9,2 -644,0±57,3 -614,3±0,1<br />

II [4<br />

-176,7±23,4<br />

.25]<br />

-172,1±23,4<br />

-639,6±57,3 268,5±9,1 -644,0±57,3 -601,0±0,2<br />

III<br />

-170,6±23,4<br />

[3 .08]<br />

-166,0±23,4<br />

-1188,0±40,2 604,9±12,2 -1189,5±40,3 -1248,7±0,4<br />

111<br />

-271,2±14,6<br />

[4 .25]<br />

-305,8±14,6<br />

-1188,0±40,2 604,5±12,2 -1189,5±40,2 -1220,3±0,2<br />

IV<br />

-258,0±14,6<br />

[3 .08] -401,2±76,2<br />

-292,6±14,6<br />

129,8±9,5 -419,7±76,2 -390,3±0 -126,3±31,8<br />

IV [4.25] -401,2±76,2<br />

-115,6±31,8<br />

155,8±9,3 -419,7±76,2 -379,2±0<br />

V [3<br />

-121,2±31,8<br />

.08]<br />

-110,4±31,8<br />

-625,2±3,5 435,7±0,7 -647,8±3,5 -821,1±1,2<br />

V [4<br />

-88,1±0,8<br />

.25]<br />

-154,1±0,8<br />

-625,2±3,5 461,7±0,8 -647,8±3,5 -795,2±1,0<br />

VI<br />

-76,0±0,8<br />

[3 .08] -1341,5±67,2<br />

-142,0±0,8<br />

785,9±4,7 -1393,9±67,2 -1622,0±1,8<br />

VI [4<br />

-258,4±30,6<br />

.25] -1341,5±67,2<br />

-255,4±30,6<br />

811,9±4,5 -1393,9±67,2 -1572,1±1,5 -235,2±30,6 -232,2±30,6

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