December 2019 1 36 Report
Cara menyetarakan:
C2H6+O2==>CO2+H2O
Sertakan caranya​
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Tolong sertakan dengan caranyaSeperti contoh: H2SO4(2xb.oH)+(b.o.S)+(4xb.o.O)=0(2x+1)+(b.o.S)+(4x-2)=02+(b.o.S)+(-8)=0-6+(b.o.S)=0b.o.s=0+6b.o.s=+6​
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A. Read the dialogue below and answer the questionsSituation : Mr. Hermawan is out of his town. He doesn’t know how to get to BCA bank, so he stops a man in the street.Mr. Hermawan : Excuse me, can you tell me where the nearest BCA bank is?Man : BCA bank? I’m sorry. I don’t know. I’m not from around here myself.Then he meets a policeman and asks him the direction.Mr. Hermawan : Excuse me, where’s the nearest BCA bank, please?Policeman : Go straight down this street. Turn left at the T-junction, BCA bank is just around the corner, on your left.Mr Hermawan : How far is it from here?Policeman : It will take about 5 minutes if you go there on foot.Mr. Hermawan : Thank you very much. I’m sure I’ll find it easily, if I walk there.Policeman : Sure, but there’s one thing you have to know.Mr. Hermawan : What’s that?Policeman : Today is Saturday. The bank is closed.Mr. Hermawan : But not the ATM service, don’t you think? I just need to withdraw some cash. Thanks anyway. 1. Why does Mr. Hermawan ask the direction to the BCA? _____________________________________________________________________2. Whom does he ask the direction to?_____________________________________________________________________3. Does he get the answer as he expect before? Why/ why not?_____________________________________________________________________4. What does he do then?_____________________________________________________________________5. Does he get a satisfying answer?_____________________________________________________________________6. Do you think the bank is close or far?_____________________________________________________________________7. How does Mr. Hermawan go to the bank?_____________________________________________________________________8. How long does it take to go there?_____________________________________________________________________9. Is the bank closed or open?_____________________________________________________________________10. Why does Mr. Hermawan look for the BCA bank?_____________________________________________________________________​
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Ini soal kimia, mohon bantuannya. お願いします。ありがとう。​
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Contoh soal dan jawaban pelajaran biologi tentang1. pertumbuhan dan perkembangan 2. sistem reproduksi pada makhluk hidup3. limbah dan polusi4. keberagaman hayatiMasing-masing 10 soal​
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Hitunglah moralitas larutan yang dibuat dari 30 gram Urea (CO(NH₂)₂) dalam 500 ml larutan. (Ar C=12 gram/mol, O= 10 gram/mol, N=14 gram/mol H=1 gram/mol). ​
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50 poinBerapa massa Ca4CO3 yang harus dilarutkan dalam 500 gram air agar dihasilkan larutan dengan konsentrasi 2 m (Ar Ca=40, C=12, O=16)​
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50 poinSetarakan: C2H6+O2==>CO2+H2OSertakan caranya​
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Etana dibakar dengan gas O2. Menurut persamaan: C2H6+O2==>CO2+H2O (belum setara)Hitunglah volume gas CO2 yg dihasilkan jika Volume gas etana adalah 100ml. ​
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100 poinHitunglah moralitas larutan yang dibuat dari 30 gram Urea (CO(NH₂)₂) dalam 500 ml larutan. (Ar C=12 gram/mol, O= 10 gram/mol, N=14 gram/mol H=1 gram/mol). ​
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