PEMBAHASAN SOAL PTS GENAP KIMIA XI

Quiz
•
Chemistry
•
10th Grade
•
Easy
Sri Yulianti
Used 1+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Perubahan entalpi pada pembakaran 1 mol unsur atau senyawa dalam keadaan standar dilambangkan dengan simbol ….
∆Hf0
∆Hd0
∆Hc0
∆Hn0
∆Hs0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Perubahan entalpi pada penguraian 1 mol senyawa menjadi unsur-unsurnya dalam keadaan standar dilambangkan dengan simbol ….
∆Hf0
∆Hd0
∆Hc0
∆Hn0
∆Hs0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Perhatikan persamaan termokimia berikut:
2Fe(s) + 1 ½ O2 (g) --> Fe2O3 (s) ∆H = -A kJ/mol
Perubahan entalpi tersebut juga dapat disebut …..
Kalor pembentukan standar Fe
Kalor penguraian Fe2O3
Kalor pembakaran standar Fe2O3
Kalor pembentukan standar O
Kalor pembentukan standar Fe2O3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Perhatikan reaksi berikut:
NO (g) --> ½ N2 (g) + ½ O2 (g) ΔH = +B kJ
Persamaan termokimia pada reaksi di atas menunjukkan persamaan entalpi ….
Pembakaran standar
Pelarutan standar
Netralisasi standar
Penguraian standar
Pembentukan standar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Perhatikan persamaan reaksi berikut.
CH4 (g) + 2O2 (g) --> CO2(g) + H2O (l) ΔH = -890,39 kJ/mol
Jenis perubahan entalpi persamaan reaksi tersebut adalah ….
Entalpi pembakaran standar
Entalpi atomisasi standar
Entalpi netralisasi standar
Entalpi penguraian standar
Entalpi pembentukan standar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Persamaan termokimia yang benar untuk pembentukan 1 mol H2O dari unsur-unsurnya adalah…..
2H2 + O2 --> 2H2O
2H2O --> 2H2 + O2
H2 + ½ O2 --> H2O
H2 + 2O2 --> H2O
½ H2 + O2 --> H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Perhatikan reaksi berikut:
NO (g) --> ½ N2 (g) + ½ O2 (g) ΔH = +65 kJ/mol
Maka, nilai perubahan entalpi penguraian 2 mol NO adalah sebesar ….
+65 kJ
-65 kJ
+130 kJ
-130 kJ
+32,3 kJ
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