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Kunci Jawaban Matematika
Posted by reaksi kimia etana hari ini
on
10.31
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Fe^{3+}=23krn banyak proton selalu tetap (sulit untuk dipisahkan)p = 26e = 23n = 30CS_{2} \longrightarrow C + 2S \Delta H = -20 kJC + O_{2} \longrightarrow CO_{2} \Delta H = +90 kJ2S + 2O_{2} \longrightarrow 2SO_{2} \Delta H = +60 kJCS_{2} + 3O_{2} \longrightarrow CO_{2} + 2SO_{2} \Delta H = +130 kJ/molCS_{2} = 19maka n CS_{2} = \frac {1}{4}sehingga \Delta H = \frac {130 kJ}{4} = 32,5 kJ
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