Konsep Termokimia
Quiz
•
Chemistry
•
11th Grade
•
Hard
Raidatul Fannyda
Used 15+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari reaksi
2H2(g) + O2(g) → 2H2O(l) ∆H = –572 kJ
dapat dikatakan bahwa...
Kalor pembentukan air adalah –572 kJ
Pada pembakaran 1 mol hidrogen, kalor 572 kJ mengalir dari sistem ke lingkungan
Pembentukan 1 mol air diperlukan 286 kJ
Pada pembentukan 2 mol air, kalor 572 kJ mengalir dari sistem ke lingkungan
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apabila 100 mL larutan NaOH 1M direaksikan dengan 100 mL larutan HCl 1M dalam sebuah bejana, ternyata suhu larutan naik dari 29oC menjadi 37,5oC. Jika kalor jenis larutan dianggap sama dengan kalor jenis air = 4,2 J/g oC dan massa jenis air = 1g/mL, maka perubahan entalpi reaksi adalah ....
–45,9 kJ/mol
–71,4 kJ/mol
–54,6 kJ/mol
–77,7 kJ/mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi antara soda api dan HCl, jika kita pegang maka wadah reaksi akan terasa panas. Peristiwa tersebut termasuk contoh reaksi....
endoterm
isoterm
eksoterm
redoks
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalor yang diserap atau dilepas apabila 1 mol senyawa terurai menjadi unsur-unsurnya disebut...
kalor pembentukan
kalor penguraian
kalor reaksi
kalor ionisasi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
reaksi melepas kalor
ΔH produk < ΔH reaktan
reaksi endoterm
ΔH total bernilai 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
E1 + E2
E1 + E3
E2 + E3
E1 - E2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
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