
Quiz - Kalorimeter

Quiz
•
Chemistry
•
12th Grade - University
•
Hard
Addin 30
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3 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam calorimeter terdapat zat yang bereaksi secara eksotermik dan ternyata 0,5 kg air yang mengelilinginya sebagai pelarut mengalami kenaikan temperature sebesar 3° Kalor jenis air = 4,2 J/gram K. Kalor reaksi zat yang dilepaskan oleh reaksi itu adalah..
577,6 kJ
578,6 kJ
579,6 kJ
5796 kJ
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kegunaan Bom yang dibenamkan dalam calorimeter adalah ….
Untuk pendingin
Untuk melangsungkan reaksi pembakaran sampel
Membantu kalor berjalan saat reaksi berlangsung
Berguna untuk melancarkan segela aktifitas reaksi
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di dalam suatu kalorimeter bom, direaksikan 1,6 gram gas metana (CH4) dengan oksigen berlebih sehingga terjadi kenaikan suhu 15,6 ºC. Jika diketahui kapasitas kalor kalorimeternya adalah 958 J/ºC, massa air dalam kalorimeter 1000 gram dan kalor jenis air 4,18 J/gºC. Tentukan kalor pembakaran gas metana (dalam kJ/mol)! (Ar C =12, H=1)
- 801,97 kJ/mol
- 707,01 kJ/mol
- 750,95 kJ/mol
- 810,50 kJ/mol
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