
SUSULAN PPH1
Authored by Henny KS
Chemistry
11th Grade
Used 21+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Perhatikan struktur hidrokarbon berikut!
Jumlah atom C-primer dan C-tersier dalam senyawa tersebut berturut-turut adalah
3 dan 3
3 dan 2
3 dan 1
2 dan 3
2 dan 2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jumlah isomer kerangka dari senyawa diatas adalah ....
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Perhatikan data persamaan reaksi termokimia di bawah ini!
(1) Na (s) + ½ Cl2 (g) → NaCl (s) ΔH = -kJ.mol-1
(2) C (s) + ½ O2 (g) → CO (g) ΔH - -kJ. mol-1
(3) NH3 (g) → ½ N2 (g) + 3/2 H2(g) ΔH = +kJ. mol-1
(4) SO2 (g) → S (s) + O2 (g) ΔH = -kJ. mol-1
(5) C2H5OH (l) + 3O2(g) → 2CO2(g) + 3H2O(l) ΔH = -kJ. mol-1
Pasangan persamaan reaksi yang merupakan ΔH°f, ΔH°d, dan ΔH°c adalah ....
(1), (2), dan (3)
(1), (2), dan (4)
(1), (3), dan (5)
(2), (3), dan (4)
(3), (4), dan (5)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sebanyak 8 gram kristal NaOH ditambahkan ke dalam kalorimeter yang berisi 92 gram air.
Setelah NaOH larut, ternyata suhu kalorimeter beserta isinya naik dan 22,25°C menjadi 24,25°C. Jika kalor jenis larutan = 4,2 J/g°K\ maka harga perubahan entalpi reaksi pelarutan tersebut adalah ... J/mol. (Mr NaOH = 40)
–(92 x 4,2 x 2 x 8) / 40
–(92 x 4,2 x40) / (2 x 8)
–(92 x 4,2 x 2 x 40) / 8
–(40x 4,2 x 8) / 92
–(40x 4,2 x 8) / 92 x 2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Perhatikan data persamaan reaksi termokimia di bawah ini!
(1) CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2H2O ΔH = - kJ.mol -1
(2) H2 (g) + ½ O2 (g) → H2O (g) ΔH = - kJ.mol -1
(3) C (s) + 2H2 (g) → CH4 (g) ΔH = - kJ.mol -1
(4) C2H2 + 3/2 O2 (g) → 2 CO2 (g) + H2O (l) ΔH = - kJ.mol -1
(5) HBr (g) → ½ H2 (g) + ½ Br2 (g) ΔH = + kJ.mol -1
Pasangan persamaan reaksi yang merupakan ΔH°f, ΔH°d, dan ΔH°c adalah ....
(1), (2), dan (3)
(1), (2), dan (4)
(2), (3), dan (4)
(2), (3), dan (5)
(3), (5), dan (1)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Perhatikan reaksi di bawah ini:
a) Ag(s) + 1/2 Cl2(g) ΔAgCl(s) ΔH = -127 kJ mol-1
b) CO2(g) → C(s) + O2(g) ΔH = +393,5 kJ mol–1
c) CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l) ΔH = -889,5 kJ
d) C + 2S → CS2 ∆H = +117.1 kj/mol
e) NaOH + HCl → NaOH + H2O ∆H = +156,9 kj/mol
Yang merupakan reaksi entalpi pembakaran adalah...
a dan b
a, b, dan d
b saja
c saja
c, d, dan e
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berikut ini yang merupakan reaksi pembentukan standar adalah ....
Ca(s) + O(g) + H(g) ------> Ca(OH)2 (s) ΔH = -a kal
Ca2+(s) + O2 (g) + H2(g) ------> Ca(OH)2 (s) ΔH = -a kal
Ca(s) + O2 (g) + H2(g) ------> Ca(OH)2 (s) ΔH = -a kal
Ca(s) + 2O2(g) + 2H(g) ------> Ca(OH)2 (s) ΔH = -a kal
2Ca(s) + O2(g) + H2(g) ------> 2Ca(OH)2 (s) ΔH = -a kal
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