Termokimia 1
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
kimiasmanda 2019
Used 16+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan sistem...
Sesuatu yang berada di luar yang mempelajari perubahan energi dan berubah selama proses berlangsung
Sesuatu yang berada di dalam yang mempelajari perubahan energi dan berubah selama proses berlangsung
Sesuatu yang menjadi pusat perhatian
Segala sesuatu yang menjadi pusat perhatian dalam mempelajari perubahan energi dan berubah selama proses berlangsung
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Termasuk dalam jenis sistem apakah gambar tersebut ? Jelaskan !
Terbuka, karena terjadi perpindahan materi dan energinya
Tertutup, karena kemungkinan terjadi perpindahan energi namun tidak terjadi perpindahan materi
Terbuka, karena tidak terjadi perpindahan energi dan materi
Tertutup karena terjadi perpindahan materi namun tidak terjadi perpindahan energi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grafik tersebut merupakan grafik dari ....
Reaksi Eksoterm
Reaksi Eksoterm dan endoterm
Reaksi Endoterm
Tidak reaksi eksoterm dan endoterm
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pilihlah salah satu dari persamaan berikut yang bukan merupakan persamaan termokimia...
H2(g) + ½ O2(g) -> H2O(g) ∆H = -285,5 Kj.mol-1
H2(g) + ½ O2(g) -> H2O(g) + 285,5 kj.mol-1
2C(s) + H2(g) -> C2H2(g) – 227 kj.mol-1
H2(g) + ½ O2(g) -> H2O(g)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berdasarkan pilihan di bawah, manakah yang merupakan contoh dari reaksi eksoterm ...
Pelarutan urea dalam air
Api Unggun
Proses Fotosintesis
Proses pembekuan es batu
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan persamaan termokimia berikut ini !
Ag(s) + ½ Cl2(g) -> AgCl(s) ∆H = -127 kj.mol-1
Termasuk dalam jenis perubahan entalpi apakah reaksi termokimia tersebut ?
Perubahan entalpi pembakaran standart
Perubahan entalpi pembentukan standart
Perubahan entalpi penguraian standart
Perubahan entalpi sublimasi standart
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari beberapa persamaan termokimia berikut ini, manakah yang termasuk dalam perubahan entalpi pembakaran ?
Na(s) + ½ Cl2(g) -> NaCl(s) ∆H = -401,9 kj.mol-1
2C(s) + H2(g) -> C2H2(g) – 227 kj.mol-1
NH3(g) -> ½ N2(g) + 3/2 H2(g) ∆H = +46,11 kj.mol-1
C2H6(g) + O2(g) -> 2CO2(g) +3H2O ∆H = -2803 kj.mol-1
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