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Dengan menggunakan data energi ikatan pada tabel, tentukan: b. △ H reaksi pembuatan alkohol dari gas etena dengan uap air!

Dengan menggunakan data energi ikatan pada tabel, tentukan:

b.   reaksi pembuatan alkohol dari gas etena dengan uap air!space 

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perubahan entalpinya sebesar -36 kJ/mol.

perubahan entalpinya sebesar -36 kJ/mol.

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Reaksi: Rumus strukturnya: Jadi, perubahan entalpinya sebesar -36 kJ/mol.

Reaksi: C subscript 2 H subscript 4 and H subscript 2 O yields C subscript 2 H subscript 5 O H 

Rumus strukturnya:

space space space space space space H space space space space H space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space H space space space space H space space space space space space vertical line space space space space space vertical line space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space vertical line space space space space space vertical line H bond C double bond C bond H and H bond O bond H yields H bond C bond C bond O bond H space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space vertical line space space space space space vertical line space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space H space space space space H 

table attributes columnalign right center left columnspacing 0px end attributes row cell increment H end cell equals cell sum with EI space reaktan below minus sign sum with EI space produk below end cell row blank equals cell left square bracket left parenthesis 4 cross times C bond H right parenthesis plus left parenthesis 1 cross times C equals C right parenthesis plus left parenthesis 2 cross times O bond H right parenthesis right square bracket minus sign left square bracket left parenthesis 5 cross times C bond H right parenthesis plus left parenthesis 1 cross times C bond C right parenthesis plus left parenthesis 1 cross times C bond O right parenthesis plus left parenthesis 1 cross times O bond H right parenthesis right square bracket end cell row blank equals cell left square bracket left parenthesis 1 cross times C equals C right parenthesis plus left parenthesis 1 cross times O bond H right parenthesis right square bracket minus sign left square bracket left parenthesis 1 cross times C bond H right parenthesis plus left parenthesis 1 cross times C bond C right parenthesis plus left parenthesis 1 cross times C bond O right parenthesis right square bracket end cell row blank equals cell left square bracket 612 plus 464 right square bracket minus sign left square bracket 414 plus 347 plus 351 right square bracket end cell row blank equals cell 1.076 minus sign 1.112 end cell row blank equals cell negative sign 36 space kJ forward slash mol end cell end table


Jadi, perubahan entalpinya sebesar -36 kJ/mol.

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Diketahui reaksi berikut. H O I ∥ H − C − H + 2 O = O → C + 2 H − O − H I ∥ H O Diketahui perubahan entalpi sebesar -109 kJ serta energi ikatan C = O , H − O , dan O = O berturut-turut 243 kJ mo...

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