
PTS Kelas XI IPA (Materi Bab 2)

Quiz
•
Chemistry
•
11th Grade
•
Medium
Standards-aligned
Tatang Riyanto
Used 11+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Sistem yang tidak memungkinkan terjadinya perpindahan energi dan massa disebut...
Sistem terisolasi
Sistem terbuka
Sistem tertutup
Sistem menyempit
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini adalah diagram tingkat energi pembentukan CO2.
Pernyataan yang tepat untuk menjelaskan diagram diatas adalah
Terjadi perpindahan kalor dari lingkungan ke sistem
Reaksi menyerap kalor
Entalpi produk lebih kecil daripada entalpi reaktan
Entalpi sistem bertambah
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui persamaan termokimia pembentukan Fe2O3 dan CO2:
2Fe(s) + 3/2O2(g) Fe2O3(s) H = - 822 kJ/mol
C(s) + 1/2O2(g) CO(g) H = -110 kJ/mol
Berapakah perubahan entalpi untuk reaksi berikut ini?
Fe2O3(s) + 3C(g) 2Fe(s) + 3CO(g) H = ....kJ/mol
+ 712
+492
-492
-712
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini merupakan harga-harga entalpi:
I. H positif
II. H negatif
III. Hproduk reaksi > Hpereaksi
IV. Hproduk reaksi < Hpereaksi
Dari pilihan di atas, yang merupakan ciri reaksi eksoterm adalah .......
I dan III
II dan III
II dan IV
I dan II
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika data entalpi pembentukan standar:
C3H8(g) = -104 kj/mol
H2O(l) = -286 kJ/mol
CO2(g) = -394 kJ/mol
maka harga H untuk pembakaran propana:
C3H8(g) + 5O2(g) 3CO2(g) + H2O(l) adalah .......
-1.034 kJ
-1.121 kJ
-1.134 kJ
-2.222 kJ
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