Laju Reaksi

Flashcard
•
Chemistry
•
1st - 2nd Grade
•
Easy
Marlisni Marlisni
Used 1+ times
FREE Resource
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18 questions
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1.
FLASHCARD QUESTION
Front
Larutan CaCO3 (Ar Ca = 40, C = 12, O =16) mempunyai konsentrasi 0,5 M. Artinya, dalam ....
Back
1 L larutannya terdapat 0,5 mol CaCO3
2.
FLASHCARD QUESTION
Front
Larutan asam nitrat (HNO3) dengan Mr = 63 mempunyai konsentrasi 1 molar, artinya …
Back
dalam 1 liter larutannya mengandung 63 gram HNO3
3.
FLASHCARD QUESTION
Front
Jika ke dalam 10 mL larutan asam sulfat (H2SO4) 2 M ditambahkan air sebanyak 90 mL, maka konsentrasi larutan asam sulfat sekarang adalah … .
Back
0,2 M
4.
FLASHCARD QUESTION
Front
Konsentrasi larutan urea yang dibuat dengan melarutkan 3 gram urea ke dalam air sampai volume 250 mL (Mr urea = 60) adalah ...
Back
0,2 M
5.
FLASHCARD QUESTION
Front
Suatureaksimelibatkanzat A dan B, sehinggamenghasilkanreaksidenganpersamaanA(g) + 2 B(g) –> C(g). Konsentrasiawalzat A adalah 0,8mol/liter. Setelah 10 detikternyatadidapatkan 0,2mol/liter zat C. Ungkapanlajureaksi yang tepatbagireaksitersebutadalah …
Back
vA = (0,8 – 0,2)/10 molar.detik-1
6.
FLASHCARD QUESTION
Front
Padapercobaan yang mereaksikanlogam magnesium denganlarutanHCldidapatkan data sebagaiberikut.
Percobaan Massa Mg (gram) Wujud Mg Konsentrasi HCL (M) Pengamatan 1 10 Sebuk 1 Timbul gas 2 10 Kepingan 1 Timbul gas 3 10 Batang 1 Timbul gas 4 10 Serbuk 2 Timbul gas 5 10 Batang 2 Timbul gas Reaksi yang paling cepatterjadiadalahpadapercobaanke- … .
Back
4
7.
FLASHCARD QUESTION
Front
Laju reaksi suatu reaksi meningkat dua kali lipat setiap kenaikan suhu 10 °C. Reaksi berlangsung pada suhu 75 °C. Jika suhu ditingkatkan menjadi 35 °C, laju reaksi akan menjadi ... kali lebih cepat dari semula.
Back
16 kali
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