October 2018 1 233 Report
1. Bagaimanakah cara untuk mengetahui pengaruh
zat terlarut yang sukar menguap terhadap tekanan
uap jenuh larutan? Jelaskan.
2. Hitunglah tekanan uap suatu larutan 4 mol fruktosa
dalam 60 mol air pada suhu 310 °C. Jika tekanan uap
air murni pada 310 °C sebesar 33,4 mmHg.
3. Jika 0,4 molal gula pasir dilarutkan dalam air (Kb
air = 0,52 °C/m), tentukan titik didih larutan gula
tersebut.
4. Jika 6,84 g sukrosa (Mr = 342) dilarutkan dalam air
dan membentuk larutan bervolume 100 mL pada
suhu 27 °C (R = 0,082 L atm/mol K), tentukan
tekanan osmotik larutan tersebut.
More Questions From This User See All
Bab : Program linear :)
Answer
Bisa tolong dijelaskan kak? ..
Answer
Pakai penjelasannya kak ..
Answer
Menurut Alfred stepan ciri-ciri masyarakat Madani itu apa saja ,jelaskan ya kak.
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Mohon bantuannya kak.. Jika bagus dan benar jawabannya akan dijadikan jawaban terbaik. Camouflage Camouflage is the one of the most effective ways for animals to avoid attack in treeless Arctic.However,the summer and winter landscape there are so diverse that a single protective coloring schremewould,of course,prove ineffective is one season or the other .Thus ,many of the in habitants of the arctic tundra change their camouflage twice a year.The Arctic fox is a clear-cut example of this phenomenon ; it sports a brownish gray coat in the summer which then turns white as cold wheater sets in,and the process reverses itself in the spingtime. It's brownish-gray coat blends in the barren tundra landscape in the month without snow ,and the white coat naturally blends in with the landscape of the frozen wintertime tundra. 1) Which of the sentence below expresses the essential information in he first higlighted sentence in the passage ? in correct choice change the meaning in important ways or leave out essential information. a.Opposite conditons in summer and in winter necessitate different protective coloration for Arctic animals. b.The coloration of the summer and winter landscapes in the Arctic fails to protect the Arctic tundra. c.In a single season ,protective coloring schemes are ineffective in the treeless Arctic. d.For many animals,a single protective coloring schemes effectively protects them during summer and winter months. 2. Which of the sentences below expessed the essential information in the second highlighted sentence in the passage ? Incorrect choices change the meaning in important ways or leave out essential information. a.The Arctic is unusual in that the color of its coat change for no reason b.The Arctic fox lives in an environment that is the brwonish-gray in the summer and white in the winter c.It is a phenomenon that the coat of the arctic fox turns white in the springtime and gray in the fall d.The Arctic fox demonstrates that protective coloration can change during different season. Keterangan: Jika jawabannya A jelaskan ,dan jika jawabannya bukan B,C dan D jelaskan pula.
Answer
Helep master .. :D Gede poinnya ,jadi jangan spam ya
Answer
Apa yang dimakud kerja borongan ? Bagaimana sistem kerjanya? :D
Answer
Rata-rata berat dari 150 siswa di kelas adalah 60 kg.the berarti berat anak laki-laki adalah 70 kg . sedangkan anak perempuan adalah 50 kg . Menemukan anak laki-laki no.of dan anak perempuan di kelas .. :D
Answer
Sebutkan min 3 pebedaan antara embrio dan biji. :D
Answer
Tentang integral trigono tertentu..
Answer

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