
Pre Tes Kalorimeter
Authored by Fella Yusmia Nida
Chemistry
11th Grade
Used 27+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Kalorimeter bekerja dengan sistem …..
terbuka
terisolasi
tertutup
terkondensasi
2.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Pada tekanan konstan, qreaksi = -qlarutan. Jika suatu reaksi penetralan yang direaksikan menggunakan kalorimeter sederhana memiliki nilai kalor larutan sebesar 54,34 kJ, maka nilai ΔH reaksi tersebut adalah….
+54,34 kJ
-54,34 kJ
Tidak dapat ditentukan
3.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Perubahan entalpi tidak dapat dilakukan dengan ……
percobaan dengan kalorimeter
Hukum Hess
Data entalpi pembentukan
percobaan dengan spektrometer
Energi ikatan
4.
MULTIPLE SELECT QUESTION
10 sec • 5 pts
Kalorimeter sederhana biasa digunakan untuk mengukur reaksi... (Jawaban lebih dari satu)
penetralan
kelarutan
pengenceran
oksidasi
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Soal ini untuk soal nomor a-e
Sekelompok siswa di laboratorium melakukan percobaan reaksi penetralan yang dilakukan dengan mereaksikan 100 mL larutan KOH 1 M dengan 100 mL larutan HCl 1 M ke dalam kalorimeter sederhana dengan persamaan reaksi sebagai berikut.
KOH(aq) + HCl(aq) → KCl(aq) + H2O(l)
a) Berapa mol KOH dalam 100 mL larutan KOH 1 M dan mol HCl dalam 100 mL larutan HCl 1 M!
Semua 0,1 mol
0,1 mol dan 0,2 mol
Semua 1 mol
6.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
b) Pada reaksi penetralan kedua larutan di atas (soal bisa lihat di power point), diketahui bahwa suhu larutannya mengalami perubahan dari 250C menjadi 32,50C. Berapakah perubahan kalor reaksi 1 molnya! (Diketahui: Kalor jenis larutan = 4,18 J/g 0C; massa jenis larutan = 1,00 g/mL)
-62,7 kJ
-6,27 kJ
7.
MULTIPLE CHOICE QUESTION
10 sec • 15 pts
c) Berapa perubahan entalpi reaksinya?
+62,7 kJ
-62,7 kJ
+6,27 kJ
-6,27 kJ
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