I. Wyniki pomiarów. |
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Pomiar |
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1 |
Temp. [C] |
21 |
21 |
21 |
21 |
21 |
21 |
Sem. [V] |
1,308 |
1,3079 |
1,3079 |
1,308 |
1,3079 |
1,308 |
2 |
Temp. [C] |
27,2 |
27,7 |
27,6 |
27,2 |
27,6 |
27,5 |
Sem. [V] |
1,3065 |
1,3066 |
1,3065 |
1,3066 |
1,3066 |
1,3065 |
3 |
Temp. [C] |
29,4 |
29,2 |
29,4 |
29,5 |
29,2 |
29,3 |
Sem. [V] |
1,3062 |
1,3061 |
1,3062 |
1,3061 |
1,3061 |
1,3061 |
4 |
Temp. [C] |
31,8 |
31,9 |
32 |
32 |
32 |
32,2 |
Sem. [V] |
1,3057 |
1,3057 |
1,3057 |
1,3057 |
1,3056 |
1,3056 |
5 |
Temp. [C] |
37,2 |
36,9 |
37 |
37,2 |
36,9 |
37,4 |
Sem. [V] |
1,3047 |
1,3047 |
1,3046 |
1,3046 |
1,3046 |
1,3046 |
6 |
Temp. [C] |
42,4 |
42,4 |
42 |
42,5 |
42,5 |
42,6 |
Sem. [V] |
1,3037 |
1,3037 |
1,3037 |
1,3038 |
1,3037 |
1,3036 |
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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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Temp. Śr [K] |
SEM śr.[V] |
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1 |
21,00 |
1,30795 |
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294,00 |
1,30795 |
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2 |
27,47 |
1,30655 |
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300,47 |
1,30655 |
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3 |
29,33 |
1,30613 |
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302,33 |
1,30613 |
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4 |
31,98 |
1,30567 |
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304,98 |
1,30567 |
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5 |
37,10 |
1,30463 |
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310,10 |
1,30463 |
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6 |
42,40 |
1,30370 |
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315,40 |
1,30370 |
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III. Obliczenie współczynnikiów regresji liniowej metodą najmniejszych kwadratów. |
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xi |
yi |
xi*yi |
xi2 |
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294,00 |
1,30795 |
384,5373 |
86436,00 |
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x=Temp. |
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300,47 |
1,30655 |
392,5790785 |
90282,22 |
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y=SEM |
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302,33 |
1,30613 |
394,8822829 |
91403,43 |
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304,98 |
1,30567 |
398,2032366 |
93012,80 |
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310,10 |
1,30463 |
404,565763 |
96162,01 |
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315,40 |
1,30370 |
411,18698 |
99477,16 |
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Sumy |
1827,28 |
7,83463 |
2385,95 |
556773,6 |
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Średnie |
304,55 |
1,30577 |
397,6591 |
92795,60 |
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n = |
6 |
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Współczynnik b: |
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Współczynnik a: |
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b = |
1,36613 |
a = |
-0,00019820 |
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E = SEM = (a+bt)= - 0001982 * t + 1,36613 |
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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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a = |
1,366132 |
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b = |
-0,00019820 |
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F = |
96500 [C] |
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Temp. |
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E |
298 |
1,30707 |
[V] |
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298 |
-252264,51 |
[J/mol] |
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298 |
-38,2522551339121 |
[J/K*mol] |
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298 |
-263663,682029906 |
[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 |
-252,26 |
18,52 |
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-319,93 |
-263,66 |
17,59 |
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S |
-34,63 |
-38,25 |
10,46 |
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