January 2019 1 304 Report
Diketahui ΔHf CO2, H2O, dan C2H4 berturut-turut :

- 395,2 kj/mol, - 242,76 kj/mol, dan – 52,76 kj/mol. Kalor yang dihasilkan pada pembakaran 5,6 gram C2H4 (C=12, H=1) menurut reaksi : C2H4(g) + O2(g) → CO2(g) + H2O(l) ( belum setara ) adalah
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Sebuah gelombang menempuh jarak 50 m dengan frekuensi 10 Hz dan membentuk 5 gelombang. Panjang gelombangnya adalah ... m A. 10 B. 8 C. 6 D. 4 E. 2 Dengan caranya
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∫ dx = Mohon bantuannya...
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Terdapat polinomial P yang diberikan di bawah. Berapakah derajat dari polinomial ini? P = x³ + x² (x+1)² + 3x + 1
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1. A well-known architect is designing our new office. The passive form of the above sentence is our new office..........by a well-known architect. A. Designed B. Is Designed C. Is being Designed D. Designs E. Be Designing 2. The stewardess is now serving coffee to the passengers. The passive form of the above sentence is............. A. The passengers are now served coffee. B. Coffee is now served to the passengers. C. The passengers are serving are serving coffee now. D. Coffee is now being served to the passengers. E. Coffee is now served by the passengers. 3. They think he is wealthy. The passive form of the above sentence is..... A. He is thought a wealthy man B. They are thought he is a wealthy man. C. He is thought to be a wealthy man. D. He is thought being a wealthy man E. They are considered a wealthy man. 4. Every body believed that Gods brought them happiness. We can also say:________________ A. The gods were belived to have brought them happiness. B. It is believed that the gods brought them happiness. C. It was belived that the Gods have brought them happiness. D. The Gods were belived to bring them happiness. E. That The Gods brought them happiness were believed by everybody.
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Passive sentence from “A cat ate a fish” is ….. A. A fish eaten a cat B. A fish eating a mouse C. A fish eat a cat D. A fish is eaten by a cat E. A fish was eaten by a cat
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Diberikan sebuah fungsi f(x) = 2x - 6 Invers f(x) adalah A. f⁻¹(x) = x - 3 B. Tidak ada Invers C. f⁻¹(x) = x + 6 D. f⁻¹(x) = x/2 + 3 E. f⁻¹(x) = x/2 - 3 Beserta cara
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Apa invers dari fungsi berikut f(x) = (x+1)/(x-2) A. f⁻¹(x) = (1 + x)/(x - 1) B. f⁻¹(x) = (1 - 2x)/(x - 1) C. f⁻¹(x) = (1 + 2x)/(x +1) D. f⁻¹(x) = (1 + 2x)/(x - 1) E. f⁻¹(x) = (x - 1)/(1 + 2x) Gunakan cara
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Mohon bantuannya, saya ga tau cata ngerubah f(x) menjadi f(2) nya f(x) = 5x +3 g(x) = x+4 maka g(f(2)) adalah..
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Pernyataan yang benar untuk reaksi : 2CO(g) + O2(g) → 2CO2(g) , ΔH = -x kJ adalah .... A. kalor penguraian CO = x kJ. Mol-1 B. kalor pembentukkan CO = 2x kJ. Mol-1 C. kalor pembakaran CO =- ½ x kJ. Mol-1 D. kalor pembentukan CO2 = ½ x kJ. Mol-1 5. kalor pembakaran CO = 2x kJ. Mol-1
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Mohon bantuannya yaa.. Yang task 6
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