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Asesmen Energi Ikatan dan Hukum Hess

Authored by Zulkifli Maulana

Chemistry

11th Grade

Used 4+ times

Asesmen Energi Ikatan dan Hukum Hess
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10 questions

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1.

OPEN ENDED QUESTION

15 mins • 1 pt

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Berapa nilai perubahan entalpi (ΔH)?

Diketahui energi ikatan sebagai berikut:
C-H = +415 kJ

C-C = +348 kJ

C=O = +724 kJ

H-H = +436 kJ

C-O = +356 kJ

O-H = +463 kJ

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2.

OPEN ENDED QUESTION

15 mins • 1 pt

Diketahui:
ΔHf Fe2O3 = -823 kJ

ΔHf Fe3O4 = -1120 kJ
ΔHf O2 = 0 kJ

Berapakah nilai perubahan entalpi untuk reaksi di bawah ini?
Fe2O3 → Fe3O4 + ½O2

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3.

OPEN ENDED QUESTION

15 mins • 1 pt

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Berapa nilai x ?

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4.

OPEN ENDED QUESTION

15 mins • 1 pt

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Diketahui nilai ΔH1 = -284 kJ dan ΔH2 = -242 kJ.

Berapa nilai ΔH?

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5.

OPEN ENDED QUESTION

15 mins • 1 pt

Diketahui:

CH4 + O2 → CO2 + 2H2O memiliki ΔH = -1036 kJ

C + O2 → CO2 memiliki ΔH = -457,8 kJ

H2 + ½O2 → H2O memiliki ΔH = -332,6 kJ

Berapa nilai perubahan entalpi (ΔH) untuk reaksi di bawah ini?
C + 2H2 → CH4

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6.

OPEN ENDED QUESTION

15 mins • 1 pt

Media Image

Berapa nilai perubahan entalpi (ΔH) reaksi?
Diketahui data energi ikatan sebagai berikut:
NΞN = +941 kJ
H-H = +436 kJ

N-H = +389 kJ

N-N = +159 kJ

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7.

OPEN ENDED QUESTION

15 mins • 1 pt

Diketahui:
ΔHf C3H8 = -104 kJ/mol
ΔHf CO2 = -394 kJ/mol

ΔHf H2O = -286 kJ/mol

ΔHf O2 = 0 kJ/mol

Berapakah nilai perubahan entalpi untuk reaksi di bawah ini?
C3H8 + O2 → CO2 + H2O

Evaluate responses using AI:

OFF

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