
KALOR
Presentation
•
Physics
•
11th Grade
•
Hard
Mirna diana
FREE Resource
10 Slides • 5 Questions
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10
Multiple Choice
Sebuah bejana tembaga dengan volume 100 cm3 diisi penuh dengan air pada suhu 30oC. Kemudian keduanya dipanasi hingga suhunya 100oC. Jika α tembaga = 1,8 × 10-5/oC dan γ air = 4,4 × 10-4/oC. Berapa volume air yang tumpah saat itu?
0,008 cm3
0,04 cm3
1,08 cm3
2,702 cm3
10,18 cm3
11
Multiple Choice
Sepotong uang logam bermassa 50 g bersuhu 85 °C dicelupkan ke dalam 50 g air bersuhu 29,8 °C (kalor jenis air = 1 kal.g —1 .°C—1 ). Jika suhu akhirnya 37 °C dan wadah tidak menyerap kalor, maka kalor jenis logam adalah…
0,15 kal.g -1 .°C-1
0,30 kal.g -1 .°C-1
1,50 kal.g -1 .°C-1
4,8 kal.g -1 .°C-1
7,2 kal.g -1 .°C-1
12
Multiple Choice
100 gram es mengalami proses peleburan seperti gambar disamping jika kalor jenis es 0,5 kal/g0 C , kalor jenis air 1 kal/g0 dan kalor lebur es 80 kal/g tentukan besar kalor yang diambil untuk proses tersebut
1050 kal
9000 kal
9250 kal
9500 kal
9750 kal
13
Multiple Choice
Dalam gelas berisi 200 cc air bersuhu 40oC dimasukkan 60 gram es bersuhu 0oC. Jika gelas memiliki kapasitas panas 20 kal/oC dan diketahui kalor lebur es 80 kal/gr, kalor jenis air 1 kal/groC, maka air dan es akan mencapai kesetimbangan pada suhu... oC
0
12,6
14,3
17,4
21,6
14
Multiple Choice
logam P memiliki panjang 2 kali logam Q konduktifitas logam P 3 kali konduktifitas logam Q seperti gambar, jika ujung A logam P dipanaskan maka suhu di persambungan adalah
60 0 C
70 0 C
80 0 C
90 0 C
100 0 C
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