
UM UGM KIMIA 2018 kode 276 36-40
Authored by Chemistry Zumre
Chemistry
12th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika titik didih dan entalpi penguapan air masing-masing adalah 100oC dan 40,8 kJ/mol, maka entropi pengupaan molar air adalah ...
0,41 J mol−1 K−1
109,4 J mol−1 K−1
408,0 J mol−1 K−1
54,7 J mol−1 K−1
15,22 J mol−1 K−1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ΔH = −420 kJ
ΔH = −105 kJ
ΔH = −1680 kJ
ΔH = +420 kJ
ΔH = +105 kJ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi orde satu, A → Produk, grafik yang akan memberikan garis lurus adalah ...
1/[A] versus t, jika reaksi orde 1
ln [A] versus t, jika reaksi orde 1
[A] versus t, jika reaksi orde 1
[A]2 versus t, jika reaksi orde 2
1/[A]2 versus t, jika reaksi orde 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ke dalam 100 mL larutan NH3 (pKb = 4,74) 0,2 M ditambahkan x mL larutan H2SO4 0,1 M, hingga pH larutan menjadi 9,26. Nilai x adalah ...
10 mL
20 mL
40 mL
50 mL
60 mL
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan dengan konsentrasi 0,1 M senyawa garam di bawah ini yang memiliki pH tertinggi adalah ...
NaNO3
NaClO4
NaHSO4
NaHCO3
NaCl
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