Quiz termokimia susulan dan remidi
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Kurnia Dewi
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang benar tentang reaksi endoterm adalah….
Entalpi awal lebih besar daripada entalpi akhir dan ΔH > 0
Entalpi awal lebih kecil daripada entalpi akhir dan ΔH > 0
Entalpi awal lebih besar daripada entalpi akhir dan ΔH < 0
Entalpi awal lebih kecil daripada entalpi akhir dan ΔH < 0
Entalpi awal sama dengan entalpi akhir dan ΔH = 0
2.
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 sistem ke lingkungan
Endoterm, energi berpindah dari lingkungan ke sistem
Endoterm, energi tidak berpindah
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perubahan entalpi dari reaksi manakah yang berikut ini dapat disebut dengan perubahan entalpi pembentukan ΔHf° Na2SO4 kristal…. Note : (k) adalah kristal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diantara persamaan termokimia di bawah ini yang merupakan perubahan entalpi penguraian adalah…
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1113 kJ
1050 kJ
525 kJ
262,5 kJ
224,7 kJ
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
-111 kJ
-230 kJ
-711 kJ
-1182 kJ
-2046 kJ
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
apabila diketahui ΔHf° KClO3 = -391,2 kJ/mol, ΔHf° KCl = -435,9 kJ/mol, dan ΔHf° SO2 = - 296,9 kJ/mol, Berapakah ΔH reaksi di atas?
+435,6 kJ
+341,6 kJ
-341,6 kJ
+980 kJ
-980 kJ
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