Dilaboratorium larutan H2SO4 direkasikan dengan larutan NaOH dalam sebuah tabung reaksi. Sistem dalam percobaan tersebut yaitu . . . .
UH KD 3.2 NEW
Quiz
•
Chemistry
•
11th Grade
•
Medium
Wido Studianah
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21 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dilaboratorium larutan H2SO4 direkasikan dengan larutan NaOH dalam sebuah tabung reaksi. Sistem dalam percobaan tersebut yaitu . . . .
Laboratorium dan larutan H2SO4
Larutan H2SO4 dan larutan NaOH
Tabung reaksi dan larutan H2SO4
Tabung reaksi dan larutan NaOH
. Laboratorium dan larutan NaOH
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sebuah Kristal KNO3 dimasukkan kedalam tabung reaksi kemudian ditetesi dengan air.Tabung reaksi terasa dingin. Reaksi ini dapat digolongkan ….
Eksoterem, energy berpindah dari system kelingkungan
Eksoterem, energy berpindah dari lingkungan ke system
Endoterem, energy berpindah dari system ke lingkungan
Endoterem, energy berpindah dari lingkungan ke system
Endoterem, energy tidak berpindah
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4) dan (5)
(3) dan (4)
(2) dan (3)
(1) dan (3)
(1) dan (2)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(1)
(2)
(3)
(4)
(5)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan termokimia yang menunjukkan perubahan entalpi pembakaran CH3OH adalah ….
C(s) + 2 H2(g) + ½ O2(g) → CH3OH(l) ∆H0 = -239 kj
CH3OH(l) → C(s) + 2 H2(g) + ½ O2(g) ∆H0 = +239 kj
CH3OH(l) + 3/2 O2(g) → CO2(g) + 2 H2O(l) ∆H0 = -887 kj
2 C(s) + 4 H2(g) + O2(g) → 2 CH3OH(l) ∆H0 = -478 kj
CO2(g) + 2 H2O → CH3OH(l) + 3/2 O2(g) ∆H0 = +887 kj
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(1) dan (2)
(1) dan (3)
(2) dan (3)
(2) dan (4)
(3) dan (4)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui perubahan entalpi pembakaran gas etana adalah - 1.560 kj/mol maka ∆H reaksi pembakaran 0,5 mol gas tersebut adalah ….
+ 1.560 kj
+ 780 kj
– 780 kj
– 1.560 kj
– 3.120 kj
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