
13. TERMOKIMIA
Authored by Tunas Permata Bangsa SAINS
Chemistry
11th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah Kristal KNO3 dimasukkan ke dalam tabung reaksi kemudian ditetesi dengan air. Pada tabung reaksi terasa dingin. Reaksi ini dapat digolongkan….
Eksoterm, energi berpindah dari sistem ke lingkungan
Eksoterm, energi berpindah dari lingkungan kesistem
Endoterm, energi berpindah dari lingkungan ke sistem
Endoterm, energi tidak berpindah
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perubahan entalpi dari reaksi manakah yang berikut ini dapat disebut dengan perubahan entalpi pembentukan ΔHf° Na2SO4 kristal….
2Na (s) + S8 (s) + 2O2 (g) → Na2SO4 (k)
Na2O (s) + SO2 (g) → Na2SO4 (k)
2 NaOH (s) + H2SO4 (aq) → Na2SO4 (k) + 2H2O (l)
2 NaOH (aq) + H2SO4 (aq) → Na2SO4 (aq) + 2H2O (l)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari siklus digambar perubahan entalpi reaksi : CaO + H2O → Ca (OH)2 adalah….
-44 kj
-266 kj
-50 kj
55 kj
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
∆H pembakaran C3H8(g) adalah….
+81 kJ/mol
–81 kJ/mol
–94 kJ/mol
532,5 kJ/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan data energi ikatan, maka perubahan entalpi pada reaksi C2H4 + HCl → C2H5Cl adalah…kJ.
-58
-46
-138
100
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