Seorang peserta didik melakukan percobaan dengan kalorimeter sederhana seperti pada gambar dibawah, pernyataan yang benar merujuk gambar tersebut adalah?

PAT KIMIA XI IPS 2024/2025

Quiz
•
Chemistry
•
11th Grade
•
Hard
VEGA ZULIA PUTRI ADI
Used 1+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Merupakan sistem terbuka dan kalor berpindah dari sistem ke lingkungan
Merupakan sistem tertutup dan kalor berpindah dari sistem ke lingkungan
Merupakan sistem terbuka dan kalor berpindah dari lingkungan ke sistem
Merupakan sistem tertutup dan kalor berpindah dari lingkungan ke sistem
Merupakan sistem terisolasi dan tidak terjadi perpindahan kalor
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan termokimia berikut.
(a+b) kj
(-a+2b) kj
(2a+b) kj
(a+2b) kj
(a-2b) kj
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ΔH2=ΔH1-ΔH3
ΔH2=ΔH1+ΔH3
ΔH2=ΔH1-2ΔH3
ΔH2=3ΔH1+ΔH3
ΔH2=ΔH1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan siklus diatas maka ΔHf° CH4 adalah
+790
-790
-396
+396
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui ΔHc°C (grafit) dan ΔHc °C (intan) berturut turut -395,4 kj/mol dan -393,5 kj/mol. Perubahan entalpi pada perubahan grafit menjadi intan adalah…
-778,9 kj/mol
-1,9 kj/mol
0 kj/mol
+1,9 kj/mol
+788,9 kj/mol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika energi ikatan rata rata C-H =413kj/mol, dan C2H6(g)→2C(g)+6H(g) ΔH = 2.826 kj, maka energi ikatan rata rata C-C adalah…
2.413 kj/mol
1.206,5 kj/mol
696 kj/mol
348 kj/mol
174 kj/mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui ΔHf = -1.434,5 kJ/mol. Persamaan termokimia untuk pernyataan tersebut adalah…
CaO(s) + SO3(g) → CaSO4(s) ΔH = -1.434,5 kJ
Ca(s) + 2O2(g) + S(s) → CaSO4(s)ΔH = -1.434,5 kJ
Ca2+(aq) + SO42-(aq) → CaSO4(s)ΔH = -1.434,5 kJ
Ca(s) + H2O(l) + SO3(g) → CaSO4(s) ΔH = -1.434,5 kJ
CaSO4(s) → Ca(s) +S(s) + 2O2(g) ΔH = -1.434,5 kJ
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