
PH 2 Termokimia
Authored by Akun Diklat
Chemistry
11th Grade
NGSS covered
Used 18+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Yang tidak termasuk pernyataan untuk reaksi eksoterm adalah ....
Mengeluarkan kalor
Memberikan kalor
Menyerap kalor
Melepaskan kalor
Menghasilkan kalor
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Reaksi yang menerima kalor disebut .....
Entalpi
Perubahan Entlapi
Eksoterm
Endoterm
Kalor Reaksi
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berikut adalah contoh reaksi eksoterm di kehidupan sehari hari, kecuali ...
lilin menyala
pembakaran gas propana
pembakaran bensin dalam ruang pembakaran
perubahan embun beku menjadi uap air
kalsium karbonat ditambah air
4.
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
Tags
NGSS.HS-PS1-4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada reaksi antara soda api dan HCl, jika kita pegang maka wadah reaksi akan terasa panas. Peristiwa tersebut termasuk contoh reaksi....
endoterm
eksoterm
isoterm
redoks
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Reaksi dalam kehidupan sehari-hari berikut ini yang merupakan reaksi endoterm adalah...
respirasi
fotosintesis
pembakaran
pupuk urea dimasukkan ke dalam air
Tags
NGSS.HS-LS1-5
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Pada pembakaran 64 gram metanol (Mr=32) dalam kalorimeter menyebabkan suhu air meningkat 200C. Jika kalorimeter berisi 5 liter air (ρ=1kg/L) dan kalor jenis air = 4,2 J.g-1.0C-1. Jika kapasitas kalorimeter = 2.700 J.0C-1
maka entalpi pembakaran metanol adalah....
-48 kJ/mol
-64 kJ/mol
-72 kJ/mol
-96 kJ/mol
-102 kJ/mol
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