
UAS KIMIA DASAR
Authored by MAYSHAH PURNAMASARI
Chemistry
University
Used 11+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Laju Reaksi C + B ---> CB dapat dinyatakan sebagai ...
Penambahan konsentrasi CB setiap satuan waktu
Penambahan konsentrasi C, B dan CB setiap satuan waktu
Pengurangan konsentrasi C, B dan CB setiap satuan waktu
Pengurangan konsentrasi CB setiap satuan waktu
Penambahan konsentrasi C dan B setiap satuan waktu
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uap bensin lebih mudah terbakar daripada bensin cair. Faktor yang mneyebabkan hal ini adalah ...
Luas Permukaan
Katalis
Suhu
Konsentrasi
Entalpi
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Berapa Molaritas larutan yang terjadi jika 4 gram kalium hidroksida dilarutkan kedalam air samapiak volumenya menjadai 500 mL .... (Ar K = 39 g/mol; H = 1 g/mol; O = 16 g/mol)
14,2 x 10-2
14,2 x 10-3
1,42 x 10-2
0,15
0,1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Manakah dari diagram berikut yang paling mewakili larutan NaF dalam air? (Untuk lebih jelasnya, molekul air tidak ditampilkan.)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
DIantara pernytaan berikut yang tepat untuk mendefinisikan senyawa yang bersifat Asam menurut Brownsted lowry adalah ....
donor proton
aseptor proton
menghaslkan ion H+
menghasilkan ion OH-
aseptor elektron
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Larutan dengan pH = 10 dibuat dengan melaruktan a gram NaOH ( Mr NaOH = 40 g/mL) kedalam air hingga volume larutan 500 mL. berapa besarnya a adalah .... gram
2 x 10-3
0,02
2 x 103
0,0002
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika sebongkah kapur tohor dimasukkan kedalam tabung reaksi yang berisi air, tabung reaksi akan terasa panas. Reaksi yang terjadi dapat digolongkan kedalam reaksi,....
eksoterm, energi berpindah dari lingkungan ke sistem
endoterm, energi berpindah dari sistem ke lingkungan
eksoterm, energi berpindah dari sistem ke lingkungan
endoterm, energi berpindah dari lingkungan ke sistem
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