
Soal Termokimia Kelas XI
Quiz
•
Information Technology (IT)
•
11th Grade
•
Practice Problem
•
Medium
Ahmad Abubakar
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reaksi pembakaran metana: CH4(g)+2O2(g)→CO2(g)+2H2O(l) Kalau diketahui ∆H = –890 kJ/mol, maka reaksi tersebut bersifat...
Endoterm
Eksoterm
Netral
Tidak terjadi perubahan energi
Isoterm
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perubahan entalpi yang terjadi selama reaksi kimia berlangsung pada tekanan tetap disebut...
Kalor
Entropi
Kalor jenis
Kalor reaksi
Energi dalam
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika reaksi A + B → C + D memiliki ∆H = +150 kJ, maka reaksi...
Eksoterm karena kalor dilepaskan
Endoterm karena kalor dilepaskan
Endoterm karena kalor diserap
Eksoterm karena kalor diserap
Isoterm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan data berikut: ● ∆Hf° CO₂(g) = –393 kJ/mol ● ∆Hf° H₂O(l) = –286 kJ/mol ● ∆Hf° C₂H₆(g) = –84,7 kJ/mol Tentukan ∆H reaksi pembakaran etana: C2H6(g)+7/2O2(g)→2CO2(g)+3H2O(l)
–1560,3 kJ
–1427,3 kJ
–1420,5 kJ
–1032,3 kJ
–900,5 kJ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum Hess menyatakan bahwa...
Jumlah kalor reaksi tergantung pada jalur reaksi
Kalor reaksi hanya bergantung pada tekanan
Jumlah kalor reaksi tidak tergantung pada jalur, hanya pada keadaan awal dan akhir
Energi hanya bergantung pada jenis unsur
Kalor reaksi dapat diabaikan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalor jenis air = 4,18 J/g°C. Jika 100 gram air dipanaskan dari 25°C menjadi 75°C, maka kalor yang dibutuhkan adalah...
10450 J
20900 J
31350 J
41800 J
50000 J
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi: N2(g)+3H2(g)→2NH3(g),∆H=−92kJ Kalor yang dilepaskan jika 4 mol NH₃ terbentuk adalah...
–184 kJ
–92 kJ
–46 kJ
–368 kJ
–23 kJ
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