
Kuis Termokimia
Authored by Devi Fauziah
Chemistry
2nd Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini merupakan ciri-ciri reaksi eksoterm, kecuali....
Suhu lingkungan turun
Terjadi pelepasan kalor dari sistem ke lingkungan
nilai ΔH bertanda negatif
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dalam konsep termokimia , terdapat istilah sistem dan lingkungan. Segala bentuk proses yang menjadi pusat perhatian pengamat adalah pengertian dari ... .
Sistem
Lingkungan
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kegiatan api unggun merupakan salah satu contoh perpindahan kalor dari sistem ke lingkungan (eksoterm), terbukti tubuh kita dan lingkungan sekitar terasa hangat. Contoh lain dari reaksi eksoterm adalah ... .
Mencairnya es batu
Proses fotosintesis
Merebus air
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Perhatikan persamaan reaksi berikut!
1) P4O10(s) → P4(s) + 5O2(g) ΔH = +2970 kJ
2) 2NO(g) + O2(g) → 2NO2(g) ΔH = -112 kJ
3) 2NaCl(s) + H2O(l) → 2HCl(g) + Na2O(s) ΔH= +507 kJ
4) 4H2O(g) → 4H2O(l) ΔH= -176 kJ
5) N2H4(l) + H2O(l) → 2NH3(g) + 1/2 O2(g) ΔH= + 143 kJ
Persamaan reaksi yang menunjukkan reaksi endoterm adalah nomor ........
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5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berdasarkan gambar diagram tingkat energi di samping, dapat diketahui bahwa reaksi tersebut adalah reaksi......
eksoterm
endoterm
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