Termokimia
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Farikah channel
Used 4+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Sebuah Kristal KNO3 dimasukkan ke dalam tabung reaksi kemudian ditetesi dengan air. Pada tabung reaksi terasa dingin. Reaksi ini dapat digolongkan….
reaksi endoterm
reaksi eksoterm
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Jika pada suatu persamaan reaksi semua zat di ketahui harga Hf0 nya masing-masing, maka H reaksi tersebut dapat di hitung dengan rumus….
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Berikut yang termasuk perubahan entalpi penguraian pada termokimia adalah…
Mg (OH)2 (s) → Mg (s) + O2 (g) + H2 (g) δho = +925 kj
C6H12O6 (s) + 6O2 (g) → 6CO2 (g) + 6H2O (l) δho = -2.820 kj
Cao (s) + CO2 (g) → caco3 (s) δho = +1.207 kj
Ca (s) + C (s) + O2 (g) → caco3 (s) δho = -1.207 kj
2 CO2 (g) + 3H2O (l) → C2H5O H (l) + 3O2 δho = +1.380 kj
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Berikut ini yang bisa disebut dengan perubahan entalpi pembentukan δhf° Na2SO4 kristal adalah….
2 naoh (aq) + H2SO4 (aq) → Na2SO4 (aq) + 2H2O (l)
16 Na (s) + S8 (s) + 16 O2 (g) → 8 Na2SO4 (k)
Na2O (s) + SO2 (g) → Na2SO4 (k)
2 Na (s) + S8 (s) + 2O2 (g) → Na2SO4 (k)
2 naoh (s) + H2SO4 (aq) → Na2SO4 (k) + 2H2O (l)
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Energi minuman yang diperlukan oleh sebuah rekasi agar dapat berlangsung disebut energi .....
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Pernyataan yang benar tentang reaksi eksoterm adalah .......
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Suatu campuran pereaksi di dalam tabung reaksi menyebabkan tabung menjadi panas jika di pegang. pernyataan yang tepat mengenai hal tersebut adalah .....
Reaksi eksoterm terjadi.
Reaksi endoterm terjadi.
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