
TERMODINAMIKA
Authored by Nur Me
Physics
9th - 12th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
RUMUS ISOTERMAL
W=p.dv=n.R.t.dv/V
W=p∆v=p(v2-v1)
P2/t2=p1/t1
W=nRt in (v2/v1)
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Sebuah gas ideal berada di ruangan tertutup mula-mula bersuhu 27ºC. Supaya tekanan nya menjadi 4 kali semula, maka suhu ruangan tersebut adalah ...
927°C
627°C
747°C
725°C
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Suatu gas memiliki volume awal 20 m3 dipanaskan dengan kondisi isobaris hingga volume akhirnya menjadi 80 m3. Jika tekanan gas adalah 2 atm, tentukan usaha luar gas tersebut! (1 atm = 1,01 x 105 Pa).
13,13 ×156 j
12,12 × 109j
12,12 x 106 j
13,12 ×174 j
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Sebuah mesin menyerap panas sebesar 2.000 Joule dari suatu reservoir suhu tinggi dan membuangnya sebesar 1.200 Joule pada reservoir suhu rendah. Efisiensi mesin itu adalah....
80%
50%
74%
40%
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Suatu gas mengalami perubahan dalam tekanan dan volume dadi keadaan A ke B, seperti ditunjukkan pada gambar.jika energi dalam gas di A adalah 150 j,kalor Yang dilepaskan gas dalam proses tersebut adalah...
50 j
300 j
100 j
200 j
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Sebuah kulkas mempertahankan makanan di dalamnya pada suhu 40°F ketika suhu ruangan adalah 80°F.koefisien performansi kulkas tersebut adalah
10,5
9
7,5
12,5
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Sebanyak 1,5 m³ gas helium yang bersuhu 27⁰C digunakan secara isobarik sampai 87⁰C. Jika tekanan gas helium = 2 x 10⁵ N/m² , gas helium melakukan usaha luar sebesar.....
240 kj
480 kj
60 kj
120 Kj
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