Termokimia1
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Dimbi Qalb
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Segala sesuatu yang menjadi pusat perhatian dalam mempelajari perubahan energi`adalah ... .
Sistem
Lingkungan
Entalpi
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Simbol berurutan Entalpi - Perubahan Entalpi... .
E - PE
ΔH - H
H - ΔH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan interaksinya dengan lingkungan, manakah pernyataan yang benar ... .
Sistem terbuka adalah sistem dimana antara sistem dan lingkungan dapat terjadi perpindahan kalor
sistem terbuka adalah sistem yang memungkinkan terjadinya perpindahan kalor dan zat antara lingkungan dan sistem
Sistem tertutup adalah sistem dimana tidak memungkinkan terjadinya perpindahan kalor dan materi antara sistem dan lingkungan
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Berikut ini contoh dari Perubahan entalpi Pembakaran ΔHc
CH4 + 2O2 --> CO2 + H2O
H2O -->H2 + ½O2
NaCl --> Na++Cl-
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reaksi yang melepaskan kalor (terjadi perpindahan kalor dari sistem ke lingkungan) disebut ... .
Reaksi eksoterm
Reaksi Endoterm
Reaksi Entalpi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini yang bukan reaksi endoterm ... .
Ledakan bom, pembakaran kayu, pelarutan air kapur
Fotosintesis, pelarutan urea dalam air
Pembekuan es
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Manakah pernyataan yang benar tentang endoterm ... .
Reaksi endoterm perubahan entalpinya bernilai positif
Reaksi endoterm melepaskan kalor dari sistem ke lingkungan
Pada reaksi endoterm sistem lebih panas dari lingkungan
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