
ENERGETIKA
Authored by Rian Lestariani
Chemistry
11th Grade
Used 44+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar berikut.
Reaksi yang sesuai berdasarkan gambar tersebut adalah reaksi ....
eksoterm
endoterm
kimia
fisika
biokimia
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar berikut.
Kegiatan berlari akan membuat tubuhmu berkeringat, akibatnya panas yang terdapat pada tubuhmu dilepaskan ke lingkungan. Reaksi yang sesuai untuk keterangan dan gambar tersebut adalah reaksi ...
kimia
fisika
eksoterm
biokimia
endoterm
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Disajikan beberapa peristiwa dalam kehidupan sehari-hari berikut.
1) Hujan yang terbentuk dari uap air.
2) Batu kapur dilarutkan dalam air.
3) Es krim mencair.
4) Pengelasan logam.
5) Respirasi.
Peristiwa yang merupakan proses endoterm ditunjukkan oleh angka ....
1) dan 2)
1) dan 3)
2) dan 4)
2) dan 5)
3) dan 4)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan diagram tingkat energi berikut.
Pernyataan yang benar mengenai diagram tingkat energi tersebut adalah ....
reaksi tersebut bersifat eksoterm
harga perubahan entalpi reaksi tersebut adalah negatif
pada reaksi tersebut terjadi kenaikkan suhu
reaksi tersebut merupakan reaksi pembentukkan karbon dioksida
reaksi tersebut berlangsung dengan menyerap kalor dari lingkungan
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
-1,68
-6,09
-25,2
-50,4
-48,78
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Entalpi pembentukkan MgSO4(s) = -1.278
kJ.mol-1.
Persamaan termokimia pembentukan
MgSO4 yang benar adalah ....
MgO(s) + SO3(g) → MgSO4(s) ΔH = -1.278 kJ
Mg(s) + S(s) + 2O2(g) → MgSO4(s) ΔH = -1.278 kJ
2Mg(s) + 2S(s) + 4O2(g) → 2MgSO4(s) ΔH = -1.278 kJ
Mg2+(aq) + SO42-(aq) → MgSO4(s) ΔH = -1.278 kJ
MgS(s) + 2O2(g) → MgSO4(s) ΔH = -1.278 kJ
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Yang terjadi pada reaksi eksoterm adalah ....
energi sistem bertambah
H = positif
sistem memerlukan kalor
lingkungan menerima kalor dari sistem
entalpi sistem naik
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