
Menghitung delta H menggunakan hukum Hess

Interactive Video
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Chemistry
•
11th Grade
•
Hard
Baharuddin SMAN 9 JENEPONTO
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dinyatakan oleh koefisien reaksi dalam perhitungan perubahan entalpi (ΔH)?
Jumlah energi yang dilepaskan
Jumlah zat pada reaksi yang dilengkapi ΔH
Kecepatan reaksi
Jenis ikatan kimia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika suatu reaksi dibalik, apa yang terjadi pada tanda perubahan entalpi (ΔH)?
Tanda ΔH tetap sama
Tanda ΔH dibalik
Tanda ΔH menjadi nol
Tanda ΔH dikalikan dua
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila suatu reaksi dikalikan dengan faktor 'x', bagaimana perubahan entalpi (ΔH) reaksi tersebut akan berubah?
Harga ΔH tetap sama
Harga ΔH dibagi dengan 'x'
Harga ΔH dikalikan dengan 'x'
Harga ΔH menjadi negatif
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut Hukum Hess, apa yang menentukan harga perubahan entalpi (ΔH) suatu reaksi?
Jumlah tahap reaksi
Kecepatan reaksi
Kondisi zat-zat yang bereaksi dan zat hasil reaksi
Tekanan dan volume sistem
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi pada tanda ΔH jika suatu reaksi kimia dibalik?
Tanda ΔH tetap sama.
Tanda ΔH berubah menjadi kebalikannya.
Tanda ΔH menjadi positif.
Tanda ΔH menjadi negatif.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan contoh soal pertama, jika reaksi C4H8 + 6O2 → 4CO2 + 4H2O memiliki ΔH = -120 kkal, berapakah ΔH untuk reaksi 8CO2 + 8H2O → 2C4H8 + 12O2?
-240 kkal
-120 kkal
+120 kkal
+240 kkal
7.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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