Termokimia
Quiz
•
Science
•
1st - 3rd Grade
•
Practice Problem
•
Hard
Ika Wulandari
Used 3+ times
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5 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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan persamaan reaksi yang merupakan ΔHf°, ΔHd° , dan ΔHc° adalah ….
1, 3, dan 5
1, 2, dan 4
1, 2, dan 3
3, 4, dan 5
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kalor pembentukan adalah kalor yang dilepas atau dibutuhkan apabila 1 mol senyawa terbentuk dari ….
Ion positif dan negatif
Unsur-unsurnya
Senyawa yang lebih sederhana
Atom-atomnya
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan reaksi berikut yang menyatakan energi ikatan H – Cl adalah…
2HCl(aq) → H2(g) + Cl2(g)
HCl(aq) → HCl(g)
HCl(g) → ½H2(g) + ½Cl2(g)
HCl(g) → H(g) + Cl(g)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N2(g) + 3H2(g) → 2NH3(g) ΔH = -92kJ
Perubahan entalpi pada penguraian 1 mol gas NH3 menjadi unsur-unsurnya adalah….
-92 kJ
+46 kJ
-184 kJ
+92 kJ
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