
Konsep Termokimia

Flashcard
•
Chemistry
•
11th Grade
•
Hard
Haris Privat
Used 4+ times
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20 questions
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1.
FLASHCARD QUESTION
Front
Apa yang dimaksud dengan sistem dalam konteks termokimia?
Back
Sistem adalah proses atau reaksi yang menjadi pusat perhatian.
2.
FLASHCARD QUESTION
Front
Apa yang dimaksud dengan lingkungan dalam konteks termokimia?
Back
Lingkungan adalah segala sesuatu di sekitar sistem.
3.
FLASHCARD QUESTION
Front
Sebutkan tiga kondisi di mana reaksi kimia dapat terjadi!
Back
1. Terisolasi: tidak ada pertukaran materi dan energi. 2. Tertutup: hanya terjadi pertukaran energi. 3. Terbuka: terjadi pertukaran materi dan energi.
4.
FLASHCARD QUESTION
Front
Apa yang dimaksud dengan entalpi (H)?
Back
Entalpi (H) adalah sejumlah energi yang dimiliki sistem pada tekanan tetap.
5.
FLASHCARD QUESTION
Front
Bagaimana rumus perubahan entalpi (ΔH)?
Back
ΔH = H_produk - H_reaktan.
6.
FLASHCARD QUESTION
Front
Apa yang terjadi pada reaksi eksoterm?
Back
Reaksi eksoterm adalah reaksi kimia di mana sistem melepaskan kalor ke lingkungan.
7.
FLASHCARD QUESTION
Front
Apa ciri-ciri reaksi eksoterm?
Back
1. Dipegang terasa panas. 2. Aliran kalor dari sistem ke lingkungan.
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