Termokimia
Presentation
•
Chemistry
•
11th Grade
•
Hard
Ramlan S.Pd,M.Si
FREE Resource
3 Slides • 1 Question
1
Termokimia
by Ramlan S.Pd,M.Si
2
Kalorimeter
Kalorimeter digunakan untuk mengukur jumlah kalor yang diserap atau dibebaskan oleh sistem.
Prinsip : Kalorimeter merupakan suatu wadah yang dapat menyekat sistem sedemikian rupa sehingga tidak ada kalor yang berpindah dari sistem ke lingkungan, dan sebaliknya.
3
Multiple Choice
Di dalam kalorimeter tembaga, karbon telah dibakar sempurna menjadi CO2. Jika diketahui massa kalorimeter 1.500 g, massa air di dalam kalorimeter 2.000 g, temperatur mula-mula 25oC, dan temperatur akhir 35,93OC, massa karbon yang terbakar adalah....
(Ccu = 0,4 J g-1 K-1, CH2O = 4,2 J g-1 K-1, entalpi pembentukan standar CO2 = 393,48 kJ mol-1)
3,5 g
9 g
5 g
6 g
3 g
4
Termokimia
by Ramlan S.Pd,M.Si
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