
Kimia KSM Day 5
Quiz
•
Chemistry
•
University
•
Hard
Hilmandana 47
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
A mixture of 0.25 mol H2 and 0.25 mol F2 was placed in a 1.00 L stainless-steel flask at 273
°C. The equilibrium constant Kc for the reaction is 30.3 at this temperature. The
concentrations of HF at equilibrium is...M
0.0667
0.1166
0.1833
0.3666
0.5499
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Which of the following ionic compounds will be more soluble in acid solution than in
water?
CaSO4
MgCl2
Fe(OH)3
Ca3(PO4)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
4.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Allah telah mengatur segala sesuatu hingga unit terkecil dalam tubuh manusia. Allah menciptakan myoglobin sebagai protein transport oksigen
dalam tubuh. Myoglobin mampu untuk mengikat oksigen dari paru-paru dan melepaskan oksigen kembali ke jaringan tubuh. Dalam keadaan
setimbang, reaksi pengikatan dan pelepasan oksigen dapat dituliskan sebagai berikut:
Dari pernyataan berikut:
1. Konstanta laju pengikatan oksigen sama dengan konstanta laju pelepasannya
2. Sifat Allah yang maha mengatur sesuai dengan asmaul husna yaitu Al-Muhaimin
3. Nilai konstanta kesetimbangan reaksi tersebut sama dengan k1/k-1
4. Penambahan katalis dapat meningkatkan nilai konstanta kesetimbangan reaksi Mb dan O2
5. Sifat Allah yang maha mengatur sesuai dengan asmaul husna yaitu Al-Muhshii
Pernyataan yang benar adalah....
1, 2 dan 4
2 dan 3
1, 3 dan 5
4 dan 5
5.
FILL IN THE BLANK QUESTION
1 min • 20 pts
Allah menciptakan air laut berbeda dengan air tawar. Dalam air laut terdapat berbagai mineral dan ion yang terlarut. Jika diketahui dalam sampel air laut mengandung 0,02 M ion Cl- dan 0,02 Br- , kemudian ditambahkan larutan AgNO3 secara bertahap, maka persentase ion Br- yang belum mengendap tepat sebelum AgCl mengendap adalah <@isian> %.
(Diketahui Ksp AgCl = 1,6 x 10-10 dan Ksp AgBr = 7,7 x 10-13 , Catatan: tulis jawaban dengan 2 angka desimal dibelakang koma.)
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