TERMOKIMIA
Quiz
•
Chemistry
•
11th Grade
•
Hard
Yuni Zilviah
FREE Resource
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu campuran pereaksi di dalam tabung reaksi meyebabkan tabung tersebut menjadi panas jika dipegang. Penyataan yang tepat mengenai hal tersebut adalah….
Entalpi pereaksi bertambah
Entalpi peraksi berkurang
Entalpi pereaksi dan hasil reaksi bertambah
Entalpi pereaksi lebih besar daripada entalpi hasil reaksi
Entalpi hasil reaksi lebih besar daripada entalpi pereaksi
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Perhatikan gambar berikut!
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diantara persamaan termokimia di bawah ini yang merupakan perubahan entalpi penguraian adalah…
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui reaksi: 2HCl(g) --> H2(g) + Cl2(g) DH = +184 kJ, maka perubahan entalpi pada pembentukan 1 mol HCl adalah …
+ 230 kJ
+ 184 kJ
+ 92 kJ
– 92 kJ
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini pernyataan yang benar mengenai proses endoterm adalah …
entalpi sistem berkurang dan DH bernilai positif
entalpi sistem berkurang dan DH bernilai negatif
entalpi sistem bertambah dan DH bernilai positif
entalpi lingkungan berkurang dan DH bernilai negative
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ciri-ciri reaksi eksoterm adalah … .
lingkungan menyerap kalor dari sistem
sistem menyerap kalor dari lingkungan
sistem dan lingkungan memiliki kalor sama
kalor sistem dan lingkungan jika dijumlahkan sama dengan nol
pada akhir reaksi, kalor lingkungan selalu lebih kecil dari kalor sistem
9.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 2 mol gas hidrogen jika direaksikan dengan 1 mol gas oksigen akan terbentuk uap air yang membutuhkan kalor sebesar 484 kJ. Persamaan termokimianya adalah … .
H2(g) + ½ O2(g) --> H2O(g) ΔH = 484 kJ
2 H2(g) + O2(g) --> 2 H2O(g) ΔH = 484 kJ
2 H2(g) + O2(g) --> 2 H2O(g) ΔH = –484 kJ
2 H2O(g) --> 2 H2(g) + O2(g) ΔH = –484 kJ
H2O(g) --> H2(g) + ½ O2(g) ΔH = 484 kJ
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