
LATIHAN SOAL KIMIA XI
Quiz
•
Chemistry
•
11th Grade
•
Hard
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62 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Reaksi dalam kehidupan sehari-hari berikut ini yang merupakan reaksi endoterm adalah … .
respirasi
fotosintesis
perkaratan besi
pembakaran
kapur tohor dimasukkan dalam air
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu reaksi kimia selalu diikuti perubahan energi. Besarnya energi yang menyertai reaksi dapat dipelajari pada … .
termoseting
stoikiometri
termokimia
elektrolisis
elektrokimia
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ciri-ciri reaksi eksoterm adalah … .
lingkungan menyerap kalor dari sistem
sistem menyerap kalor dari lingkungan
sistem dan lingkungan memiliki kalor sama
kalor sistem dan lingkungan jika dijumlahkan sama dengan nol
pada akhir reaksi, kalor lingkungan selalu lebih kecil dari kalor sistem
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika sebongkah es menyerap kalor dari lingkungan, maka … .
suhu es berubah secara bertahap
suhu es tidak berubah sampai seluruh es mencair
suhu es turun kemudian naik secara bertahap
suhu es turun secara bertahap
suhu es tetap sampai seluruh es mencair, kemudian suhu turun
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 2 mol gas hidrogen jika direaksikan dengan 1 mol gas oksigen akan terbentuk uap air yang membutuhkan kalor sebesar 484 kJ. Persamaan termokimianya adalah … .
H2(g) + ½ O2(g) ==> H2O(g) ΔH = 484 kJ
2 H2(g) + O2(g) ==> 2H2O(g) ΔH = 484 kJ
2 H2(g) + O2(g) ==> 2H2O(g) ΔH = –484 kJ
2 H2O(g) ==> 2H2(g) + O2(g) ΔH = –484 kJ
H2O(g) ==> H2(g) + ½ O2(g) ΔH = 484 kJ
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada pembakaran 1 mol gas metana pada suhu 298 K dan tekanan 1 atm, dibebaskan kalor sebesar 802 kJ. Persamaan termokimianya adalah….
2 CH4(g) + 4 O2(g) ==> 2 CO2(g) + 4 H2O(l) ΔH = –802 kJ
CH4(g) + 2 O2(g) ==> CO2(g) + 2 H2O(l) ΔH = –802 kJ
CO2(g) + 2H2O(g) ==> CH4(g) + 2O2(g) ΔH = 802 kJ
C(s) + 2H2(g) + 2 O2(g) ==> CO2(g) + 2 H2O(l) ΔH = 802 kJ
2C(s) + 4H2(g) + 4 O2(g) ==> 2 CO2(g) + 4H2O(l) ΔH = –802 kJ
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui persamaan termokimia:
C6H6(g) ==> 6 C(s) + 3 H2(g) ΔH = –49 kJ
Pernyataan yang benar dari reaksi di atas adalah…
pembentukan 1 mol benzena (C6H6) memerlukan kalor sebesar 8,16 kJ
pembentukan 1 mol benzena (C6H6) memerlukan kalor sebesar 49 kJ
pembentukan 1 mol benzena (C6H6) membebaskan kalor sebesar 49 kJ
peruraian 1 mol benzena (C6H6) memerlukan kalor sebesar 49 kJ
peruraian 1 mol benzena (C6H6) membebaskan kalor sebesar 49 KJ
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