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KIMIA XI (DL) - 2526

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Pada reaksi: 3NO + 1/2 H2 → HNO3  diperoleh data:

Maka orde reaksi total untuk persamaan reaksi berikut adalah ..... 

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Experimental data of reaction between the P, Q and R Solution with the data of times which taken perfectly to produce S Solution

P + Q + R → S

the correct statement to explain the experimental above is ... 

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Diketahui ΔH0f CO2 = - 20 Kj/mol, ΔH0f H2O = - 40 Kj/mol. Apabila pada pembakaran 11,2 L gas C5H10 pada STP dilepaskan kalor sebesar 200 Kj, maka ΔH0f C5H10 sebesar ...

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Diketahui energi ikatan rata-rata sebagai berikut :

C = C      = 146 kkal/mol

C – C      = 83 kkal/mol

C – H      = 99 kkal/mol

C – Cl      = 79 kkal/mol

H – Cl      = 103 kkal/mol

Perubahan entalpi pada reaksi eliminasi senyawa halo alkena, menurut persamaan :

CH3 – CH2 – Cl → H2C=CH2 + HCl

Adalah sebesar ...

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Diketahui data energi ikatan rata-rata berikut:

H – H = 90 kkal/mol

Br – Br = 54 kkal/mol

H – Br = 100 kkal/mol

Kalor yang dilepaskan dalam pembentukan 8,1 gram HBr ( Ar H=1, Br = 80) adalah ....

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Ke dalam kalorimeter dimasukkan 100 mL HCl 0,5 M dan 100 mL KOH 0,5 M yang suhunya sama 250C. setelah reaksi ternyata suhu larutan menjadi 300C. Bila kalor jenis larutan 4,2 J/g.C dan massa jenis larutan 1 gr/ml. perubahan entalpi reaksi tersebut adalah ....

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Diketahui data energi ikatan:

C - H = 40 Kj/mol

H - H = 45 Kj/mol

C = O = 75 Kj/mol

C - O = 35 Kj/mol

O - H = 50 Kj/mol

Perubahan entalpi pada adisi 1 mol etanal dengan gas hidrogen menurut persamaan tersebut adalah 

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Diketahui reaksi penguraian air:

H2O --> H2 + O2 (Belum Setara)

Data Energi Ikatan:

O - H = 35 Kj

H - H = 40 Kj

O = O = 60 Kj

Kalor yang diperlukan untuk menguraikan 4,5 gram air (Mr = 18) adalah ....

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