
UH 3 Termokimia
Authored by Lusi ana
Chemistry
11th Grade
Used 3+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Ke dalam tabung reaksi yang berisi air dilarutkan urea padat. Ternyata jika dipegang pada tabung reaksi terasa dingin. Yang dimaksud dengan sistem pada peristiwa ini adalah .....
Urea
Air
Urea dan Air
Tangan dan tabung reaksi
Urea, air dan tabung reaksi
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika reaksi antara logam Magnesium dengan Asam Klorida encer di campurkan kedalam tabung reaksi yang tersumbat dengan rapat, gas Hidrogen yang dihasilkan di dalam sistem tidak dapat meninggalkan sistem. Akan tetapi perambatan kalor meninggalkan sistem tetap terjadi melalui dinding pada tabung reaksi. Pada percobaan ini termasuk ke dalam…
Sistem terbuka
perubahan entalpi
Sistem terisolasi
Sistem tertutup
energy dalam
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Yang dimaksud dengan entalpi adalah...
Jumlah energi yang diterima suatu zat
Reaksi yang membutuhkan kalor
Jumlah energi yang dilepaskan suatu zat
Reaksi yang membebaskan kalor
Jumlah energi yang dimiliki suatu zat
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika satu sendok NaOH padat dimasukkan ke dalam gelas kimia yang berisi larutan HCl, ternyata dasar tabung terasa panas. Reaksi ini dapat digolongkan....
Eksoterm, energi berpindah dari sistem ke lingkungan
Endoterm, energi berpindah dari sistem ke lingkungan
Endoterm, energi bertambah
Eksoterm, energi berpindah dari lingkungan ke system
Endoterm, energi berpindah dari lingkungan ke system
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Pernyataan yang benar tentang reaksi endoterm di bawah ini adalah ...
Sistem melepaskan kalor
Entalpi produk lebih kecil daripada entalpi reaktan
Reaksi mengalami kenaikan suhu
Entalpi sistem berkurang
Entalpi sistem bertambah
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Siklus suatu reaksi ditunjukkan dengan diagram di atas, Dari siklus di atas harga ∆H1 adalah . . .
-225 kJ
+105 kJ
-135 kJ
+225 kJ
-105 kJ
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
(a + b) kJ
(a - 2b) kJ
(a + 2b) kJ
(2a + b) kJ
(-a + 2b) kJ
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