Termokimia Asyik

Quiz
•
Chemistry
•
11th Grade
•
Medium
Lusy Millyartha
Used 4+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seorang siswa melakukan percobaan dengan mereaksikan amonium klorida padat dengan barium hidroksida padat ke dalam tabung reaksi, sehingga dihasilkan barium klorida, air, dan gas amonia. Lingkungan dalam percobaan tersebut adalah ... .
Amonium klorida
Barium hidroksida
Air
Tabung reaksi
Gas amonia
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan peristiwa yang terjadi dalam kehidupan sehari-hari berikut ini!
(1) Respirasi pada mamalia
(2) Fotosintesis pada tanaman
(3) Bensin dibakar dalam mesin karburator
(4) Pakaian basah menjadi kering ketika di jemur
Pasangan yang merupakan proses eksoterm adalah ... .
(1) dan (2)
(1) dan (3)
(2) dan (3)
(2) dan (4)
(3) dan (4)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Data percobaan yang menunjukkan terjadinya reaksi endoterm adalah ... .
(1)
(2)
(3)
(4)
(5)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reaksi yang berlangsung merupakan reaksi ... .
Eksoterm, karena ∆H < 0
Eksoterm, karena H2< H1
Endoterm, karena ∆H > 0
Endoterm, karena H1< H2
Endoterm, karena melepas kalor
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dalam suatu percobaan, 1 mol gas metanol dibakar dengan mol gas oksigen menghasilkan 1 mol gas karbon dioksida dan 2 mol uap air. Reaksi berlangsung secara eksotermis dengan perubahan entalpi 638 kJ/mol. Persamaan termokimia yang tepat untuk reaksi tersebut adalah ... .
CH3OH(g) + O2(g) → CO2(g) + 2 H2O(l) ∆H0c = -638 kJ
CH3OH(l) + O2(g) → CO2(g) + 2 H2O(l) ∆H0c = -638 kJ
CH3OH(g) + O2(g) → CO2(g) + 2 H2O(g) ∆H0c = -638 kJ
CH3OH(g) + O2(g) → CO2(g) + 2 H2O(g) ∆H0c = +638 kJ
CH3OH(g) + O2(g) → CO2(g) + 2 H2O(l) ∆H0c = +638 kJ
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