Soal Termokimia Kelas XI

Soal Termokimia Kelas XI

11th Grade

15 Qs

quiz-placeholder

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Soal Termokimia Kelas XI

Soal Termokimia Kelas XI

Assessment

Quiz

Information Technology (IT)

11th Grade

Practice Problem

Medium

Created by

Ahmad Abubakar

Used 2+ times

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15 questions

Show all answers

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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