
RETEST TERMOCHEMISTRY
Authored by Kiki Fitlah
Chemistry
2nd Grade
Used 4+ times

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11 questions
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1.
OPEN ENDED QUESTION
3 mins • 5 pts
Name and class
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2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
1 dan 2
2 dan 3
2 dan 4
3 dan 4
3 dan 5
3.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
Jika reaksi antara logam Barium dengan Asam Klorida encer dicampurkan kedalam tabung reaksi yang tersumbat dengan rapat, gas Hidrogen di dalam sistem tidak dapat meninggalkan sistem. Akan tetapi perambatan kalor meninggalkan sistem tetap terjadi melalui dinding pada tabung reaksi. Pada percobaan ini termasuk ke dalam .…
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
reaksi bersifat eksoterm, terjadi pelepasan kalor
reaksi bersifat endoterm, terjadi penyerapan kalor
reaksi bersifat eksoterm, terjadi penyerapan kalor
reaksi bersifat endoterm, terjadi pelepasan kalor
reaksi bersifat eksoterm dan endoterm
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Pernyataan yang benar tentang persamaan termokimia :
CaCO3(s) → CaO(s) + CO2(g) ΔH = +435 kJ
adalah ….
kalor pembentukan CO2 sebesar - 435 kJ
kalor pembakaran 2 mol CaO sebesar - 870 kJ
pada pembentukan CaCO3 diperlukan kalor sebesar 435 kJ
dalam penguraian 1 mol CaCO3 , 435 kJ kalor mengalir dari lingkungan ke sistem
dalam pembentukan 1 mol CaO, 435 kJ kalor mengalir dari sistem ke lingkungan
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Campuran 100 mL HCl 1 M dan 100 mL NaOH 1 M ternyata menghasilkan peningkatan suhu sebesar 6oC. Jika kalor jenis 4,2 J/goC, massa jenis larutan = 1 g/mL, maka persamaan termokimia yang paling tepat adalah ….
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) ΔH = +50,4 kJ/mol
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) ΔH = –50,4 kJ/mol
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) ΔH = –504 kJ/mol
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) ΔH = +5040 kJ/mol
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) ΔH = –5040 kJ/mol
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
A
B
C
D
E
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