I. Wyniki pomiarów. |
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Pomiar |
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1 |
Temp. [C] |
296,6 |
296,6 |
296,6 |
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Sem. [V] |
1,5658 |
1,5659 |
1,5659 |
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2 |
Temp. [C] |
299,9 |
299,9 |
299,9 |
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Sem. [V] |
1,5659 |
1,5658 |
1,5658 |
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3 |
Temp. [C] |
303,8 |
303,8 |
303.8 |
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Sem. [V] |
1,5656 |
1,5656 |
1,5657 |
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4 |
Temp. [C] |
308,6 |
308,6 |
308,6 |
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Sem. [V] |
1,5653 |
1,5654 |
1,5654 |
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5 |
Temp. [C] |
316,4 |
316,4 |
316,4 |
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Sem. [V] |
1,5646 |
1,5647 |
1,5647 |
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II. Zestawienie danych potrzebnych do sporządzenia wykresu. |
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Pomiar |
Temp. Śr [C] |
SEM śr.[V] |
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SEM śr.[V] |
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1 |
296,60 |
1,56587 |
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296,60 |
1,56587 |
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2 |
299,90 |
1,56583 |
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299,90 |
1,56583 |
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3 |
303,80 |
1,56563 |
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303,80 |
1,56563 |
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4 |
308,60 |
1,56537 |
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308,60 |
1,56537 |
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5 |
316,40 |
1,56467 |
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316,40 |
1,56467 |
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III. Obliczenie współczynnikiów regresji liniowej metodą najmniejszych kwadratów. |
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-6,17204622445507E-05 |
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xi |
yi |
xi*yi |
xi2 |
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296,60 |
1,56587 |
464,437042 |
87971,56 |
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x=Temp. |
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299,90 |
1,56583 |
469,592417 |
89940,01 |
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y=SEM |
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303,80 |
1,56563 |
475,638394 |
92294,44 |
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308,60 |
1,56537 |
483,073182 |
95233,96 |
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316,40 |
1,56467 |
495,061588 |
100108,96 |
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Sumy |
1525,30 |
7,82737 |
2387,80 |
465548,9 |
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Średnie |
305,06 |
1,56547 |
477,5605 |
93109,79 |
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n = |
5 |
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Współczynnik b: |
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Współczynnik a: |
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-302173,603775052 |
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b = |
1,58430 |
a = |
-0,00006172 |
1,56590974646345 |
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E = SEM = (a+bt)= - 0001982 * t + 1,36613 |
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0,00005008 1,57924t |
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IV. Obliczenie wartości teoretycznej |
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Reakcja: |
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n = 2 |
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-30,57 |
[kJ/mol] |
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-350,5 |
[kJ/mol] |
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-10,89 |
[kJ/mol] |
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-320,5 |
[kJ/mol] |
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=
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-319,93 |
[kJ/mol] |
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= |
-309,61 |
[kJ/mol] |
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= |
-0,034630872483222 |
[kJ/K*mol] |
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V. Obliczenie wartości doświadczalnych w temp. 298K |
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b= |
1,584302 |
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a= |
-0,00006172 |
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F = |
96500 [C] |
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Temp. |
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E |
298 |
1,56591 |
[V] |
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298 |
-302,174 |
[J/mol] |
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298 |
-11,9120492133481 |
[J/K*mol] |
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298 |
-305,723 |
[J/mol] |
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VI. Obliczenie odchyleń od wartości teoretycznej. |
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Wartość |
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teor |
dośw |
Odchylenie [%] |
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-309,61 |
-302,17 |
2,40 |
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-319,93 |
-305,72 |
4,44 |
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S |
-34,63 |
-11,91 |
-65,60 |
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