Sebuah Kristal KNO3 dimasukkan ke dalam tabung reaksi kemudian ditetesi dengan air. Pada tabung reaksi terasa dingin. Reaksi ini dapat digolongkan….
13. TERMOKIMIA

Quiz
•
Chemistry
•
11th Grade
•
Medium
Tunas Permata Bangsa SAINS
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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