
EKSOTERM & ENDOTERM (10 soal By Qim)
Quiz
•
Chemistry
•
11th Grade
•
Hard
far qim
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Sebanyak 20 gram padatan NaOH dimasukkan dalam 100 gram air, suhu awal air 25oC menjadi 35oC, maka grafik entalpi yang benar adalah:
grafik A
grafik B
grafik C
grafik D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan sifat reaksi berikut
1) ∆H > 0
2) kalor berpindah dari sistem ke lingkungan
3) dipegang terasa dingin
4) entalpi pereaksi > hasil reaksi
5) entalpi sistem bertambah
Sifat reaksi eksoterm pada nomor
1 , 2
2 , 4
1 , 3
4 , 5
2 , 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1Sebanyak 20 gram padatan NaOH dimasukkan dalam 100 gram air, suhu awal air 25oC menjadi 35oC, maka
entalpi sistem bertambah
entalpi sistem berkurang
perubahan entalpi bernilai positif
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika reaksi berlangsung dengan ∆H < 0, maka dapat disimpulkan bahwa:
reaksi tersebut bersifat eksoterm
reaksi tersebut bersifat endoterm
kalor diserap oleh sistem
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila 50 gram padatan HCl dilarutkan dalam 200 gram air, dan suhu larutan meningkat dari 20oC menjadi 30oC, maka perubahan entalpi dapat dinyatakan sebagai:
entalpi sistem bertambah
entalpi sistem berkurang
perubahan entalpi bernilai negatif
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila 30 gram padatan CaCl2 dilarutkan dalam 200 gram air, dan suhu larutan meningkat dari 20oC menjadi 28oC, maka perubahan entalpi dapat dinyatakan sebagai:
entalpi sistem bertambah
entalpi sistem berkurang
perubahan entalpi bernilai positif
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika reaksi berlangsung dengan ∆H = 0, maka dapat disimpulkan bahwa:
belum terjadi reaksi
reaksi tersebut bersifat eksoterm
reaksi tersebut bersifat endoterm
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