Dane do eksperymentu |
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Stężenie roztowu |
Zakres temp. |
Stała kuli |
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80 |
od |
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25 |
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45 |
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Tabela 1. Cechowanie piknometru i pomiar gęstości kulki |
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Temperatura cehcowania piknometru |
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25 |
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Gęstość wody ( w temp. 25 0C ) |
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Vander:
Odczytane z książki " Doświadczenia fizykochemiczne" z tabeli 14.1A
997,044 |
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Masa pustego piknometru |
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11,32235 |
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Masa piknometru z wodą |
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18,9188 |
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Objętosć piknometru |
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7,61897168028693 |
0,007618971680287 |
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Masa kulki |
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4,9764 |
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Średnica kulki |
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15,079 |
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Gęstość kulki |
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0,002773443098582 |
2773,44309858156 |
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Tabela 2. Pomiary czasu opadania i gęstości badanego roztworu |
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Lp. |
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Pomiary gęstości roztworu |
Pomiary czasu opadania kulki [ s ] |
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( 3 pomiary ) |
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1 |
25 |
11,32235 |
20,229 |
1169,0094639733 |
20,28 |
20,34 |
20,34 |
20,3200 |
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2 |
29 |
11,32235 |
20,2286 |
1168,95696345003 |
19,33 |
17,17 |
17,69 |
18,0633 |
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3 |
34 |
11,32235 |
20,22235 |
1168,13664277393 |
15,46 |
14,77 |
14,99 |
15,0733 |
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4 |
38,5 |
11,32235 |
20,2073 |
1166,16131058587 |
12,96 |
12,85 |
12,84 |
12,8833 |
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5 |
42,5 |
11,32235 |
20,18432 |
1163,14515552396 |
11,18 |
11,19 |
11,12 |
11,1633 |
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Tabela 3. Obliczenia i wyniki |
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Lp. |
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1 |
25 |
3,35570469798658 |
20,3200 |
1169,0094639733 |
1604,43363460826 |
0,04510825373747 |
-3,09869003951774 |
0,003355704697987 |
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2 |
29 |
3,3112582781457 |
18,0633333333333 |
1168,95696345003 |
1604,48613513153 |
0,040100004209273 |
-3,21637883970022 |
0,003311258278146 |
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3 |
34 |
3,25732899022801 |
15,0733333333333 |
1168,13664277393 |
1605,30645580763 |
0,033479410998064 |
-3,39682462616604 |
0,003257328990228 |
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4 |
38,5 |
3,21027287319422 |
12,8833333333333 |
1166,16131058587 |
1607,28178799569 |
0,028650408638103 |
-3,55258757281306 |
0,003210272873194 |
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5 |
42,5 |
3,16957210776545 |
11,1633333333333 |
1163,14515552396 |
1610,2979430576 |
0,024871998585715 |
-3,69401266308822 |
0,003169572107765 |
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Odczytane z wykresu |
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3,2255 |
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-13,909 |
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Zestawnienie wyników |
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9,0277830489365E-07 |
3225,5 |
0,0453 |
26,816807 |
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26816,807 |
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-13,909 |
3,2255 |
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3,2255 |
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