
Konstanta Kesetimbangan
Presentation
•
Chemistry
•
11th Grade
•
Medium
Zahara Mardewati
Used 22+ times
FREE Resource
10 Slides • 7 Questions
1
tetapan Kesetimbangan (K)
By Zahara Mardewati
2
disimbolkan "K / Kc"
Hasil bagi konsentrasi produk berpangkat koefisien dan konsentrasi reaktan berpangkat koefisien
Apa itu konstanta kesetimbangan kimia?
3
Multiple Choice
4
Multiple Choice
Bagaimana cara menghitung nilai konstanta kesetimbangan (Kc) dalam reaksi kimia?
Kc = [produk] / [reaktan]
Kc = [produk] - [reaktan]
Kc = [produk] x [reaktan]
Kc = [produk]^m / [reaktan]^n
5
Penulisan Rumus Kc yang bener
Perhatikan fasa zat nya pada reaksi heterogen yaa,, jadi yang masuk hanya fasa gas saja...
6
Penulisan Rumus Kc
7
Multiple Choice
Tentukan apakah kesetlmbangan berikut tergolong kesetimbangan homogen atau heterogen !
CH3COOH(aq) ⇄ CH3COO- (aq) + H+ (aq)
HOMOGEN
HETEROGEN
8
9
Multiple Choice
Tetapan kesetimbangan untuk reaksi:
CaCO3(s) ⇄ CaO(s) + CO2(g)
adalah …
K = [CO2 ][CaO] / [CaCO3]
K =[CO2]2 [CaO]2 / [CaCO3 ]3
K = [CaCO3] / [CO2 ][CaO]
K =[CaCO3 ]2 / [CO2 ]2 [CaO]2
K = [CO2]
10
Multiple Choice
Diketahui reaksi:
N2 (g) + 3H2 (g) ↔ 2NH3 (g)
Rumus tetapan kesetimbangan (KC) untuk reaksi di atas adalah ....
a. KC = [N2][H2]
[NH3]
b. KC = [NH3]
[N2][H2]
c. KC = [N2][H2]3
[NH3]2
d. KC = [NH3]2
[N2][H2]3
11
Multiple Choice
Diketahui reaksi:
H2O (l) ↔ H+ (aq) + OH- (aq)
Rumus tetapan kesetimbangan (KC) untuk reaksi di atas adalah ....
Reaksi di atas merupakan kesetimbangan ....
a. KC = [H2O]
Heterogen
b. KC = [H+][OH-]
Heterogen
c. KC = [H2O]
[H+]
Heterogen
d. KC = 1
[H+][OH-]
Heterogen
12
Kita coba masukkan angka yaa...
contoh
13
Contoh lagiii
14
apa saja yang diketahui
Jenis reaksi : heterogen
Rumus "Kc"
hitung mol pada saat kesetimbangan, berdasarkan info dari soal
15
bagan kesetimbangan
hitung mol pada saat kesetimbangan, berdasarkan info dari soal
16
17
Multiple Choice
Diketahui reaksi kesetimbangan:
2 CO(g) + O2(g) ⇄ 2 CO2(g)
Dalam ruang 2 liter direaksikan 5 mol CO dan 5 mol O2. Jika pada saat setimbang terdapat 4 mol gas CO2, maka besarnya Kc adalah … .
0,09
1,067
9
10,67
90
tetapan Kesetimbangan (K)
By Zahara Mardewati
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