
Quiz Termodinamika
Authored by Abdul Supandi
Chemistry
University
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52 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan matematis yang menyatakan hukum pertama termodinamika adalah
H = E + p V
H = E - p V
H = q + w
E = q + w
H = q + E
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Entalpi standar reaksi, H° (rxn C2 H2(g) + 2 H2(g) C(2) H6(g) adalah -311,5 kJ mol-1. Tentukan nilai E° (rxn) untuk reaksi ini.
-306,5 kJ mol -1
-309,0 kJ mol -1
-314,0 kJ mol -1
-316,46 kJ mol -1
+4646 kJ mol -1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Entalpi standar reaksi, H° pada 25 C° NH3(g) + HCl(g) NH4Cl(s) adalah -175,9 kJ mol-1. Tentukan nilai E° (rxn) untuk reaksi ini.
-164,8 kJ mol -1
-170,9 kJ mol -1
-173,4 kJ mol -1
-180,9 kJ mol -1
+ 5134 kJ mol -1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Entalpi standar reaksi, H° (rxn), untuk reaksi tersebut, C4H10(g) + 13/2 O(2)(g) 4 CO2(g) + 5 H2O(l) adalah -2877 kJ mol-1. Tentukan nilai E° (rxn) untuk reaksi ini.
-2868 kJ mol -1
-2871 kJ mol -1
-2880 kJ mol -1
-2886 kJ mol -1
+ 2886 kJ mol -1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Entalpi standar reaksi, H° (rxn), untuk reaksi tersebut, CaO(s) + SO3(g) CaSO(4)(s) adalah -401,5 kJ mol-1. Tentukan nilai E° (rxn) untuk reaksi ini.
-362,2 kJ mol -1
-399,0 kJ mol -1
-404,0 kJ mol -1
-2880 kJ mol -1
+ 2077 kJ mol -1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan mana yang benar?
Perubahan spontan selalu disertai dengan peningkatan entropi sistem.
Perubahan spontan selalu disertai dengan penurunan entropi sistem.
Perubahan spontan selalu disertai dengan peningkatan entalpi sistem.
Perubahan spontan selalu disertai dengan penurunan entalpi sistem.
Sebagian besar reaksi kimia yang sangat eksotermis juga merupakan reaksi kimia spontan.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses mana yang disertai dengan peningkatan entropi?
menyiapkan tumpukan kartu domino
memasang dekorasi di pohon Natal
mengarsipkan korespondensi dalam folder arsip dan menempatkannya dalam folder arsip gantung
menjatuhkan panel kaca di jalan depan tempat tinggal Anda
mengisi ulang tampilan rak barang kaleng di supermarket
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