Kimia Fisika (Energi dalam reaksi Kimia)

Quiz
•
Chemistry
•
University
•
Medium
Nur Malasari
Used 6+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu gas memuai dari 264 mL menjadi 971 mL pada suhu konstan. Hitunglah kerja yang dilakukan (dalam Joule) oleh gas itu jika memuai terhadap ruang hampa
3
2
1
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu gas memuai dari 264 mL menjadi 971 mL pada suhu konstan. Hitunglah kerja yang dilakukan (dalam Joule) oleh gas itu jika memuai terhadap tekanan konstan 4 atm
286 J
-286 J
826 J
-826 J
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu gas memuai dan melakukan kerja P-V pada lingkungan sebesar 279 Joule. Pada saat yang sama gas itu menyerap kalor dari lingkungan sebesar 216 J. Berapa perubahan energi sistem?
-63 J
63 J
36 J
-63 J
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Benzena dibakar diudara menghasilkan karbon dioksida dan air cair. Hitunglah kalor yang dibebaskan (dalam kilojoule) pergram senyawa yng bereaksi dengan oksigen. entalpi pembentukan standar benzena adalah 49,04 kJ/mol
41,83 kJ/g
-418.3 kJ/g
418,3 kJ/g
-41,83 kJ/g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-0,343 kJ
3,43 kJ
-34,3 kJ
343 kJ
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
96,11 kJ
111,7 kJ
-112 kJ
110 kJ
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kerja yang dilakukan untuk memampatkan suatu gas adalah 74 J. sebagai hasilnya, 26 J kalor dibebaskan ke lingkungan. hitung perubahan energi gas
48 J
-48 kJ
4,8 J
-48 J
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