Pertanyaan

Diketahui data berikut. Tentukan perubahan entalpi dari reaksi berikut : N 2 ​ O ( g ) ​ + 2 H 2 ​ O ( g ) ​ → NH 4 ​ NO 3 ( g ) ​

Diketahui data berikut.
increment H subscript c superscript degree space atom space karbon space space space space space space space space space space space space equals minus sign 393 comma 5 space kJ space mol to the power of negative sign 1 end exponent increment H subscript c superscript degree space gas space hidrogen space space space space space space space space space space space equals minus sign 241 comma 8 space kJ space mol to the power of negative sign 1 end exponent increment H subscript c superscript degree space gas space nitrogen space space space space space space space space space space space space equals plus 81 comma 6 space kJ space mol to the power of negative sign 1 end exponent increment H subscript f superscript degree space N H subscript 4 Cl space space space space space space space space space space space space space space space space space space space space space space equals minus sign 314 comma 4 space kJ space mol to the power of negative sign 1 end exponent increment H subscript f superscript degree space C H subscript 3 C O O H space space space space space space space space space space space space space space space equals minus sign 487 comma 0 space kJ space mol to the power of negative sign 1 end exponent increment H subscript f superscript degree space N H subscript 4 N O subscript 3 space space space space space space space space space space space space space space space space space space space equals minus sign 365 comma 6 space kJ space mol to the power of negative sign 1 end exponent increment H subscript d superscript degree space Ca O 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 equals plus 635 comma 5 space kJ space mol to the power of negative sign 1 end exponent increment H subscript d superscript degree space N H subscript 3 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 equals plus 46 comma 19 space kJ space mol to the power of negative sign 1 end exponent increment H subscript d superscript degree space H Cl 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 equals plus 92 comma 3 space kJ space mol to the power of negative sign 1 end exponent

Tentukan perubahan entalpi dari reaksi berikut :  
 

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R. Rizki

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Persamaan kimia : Maka, dari reaksi tersebut adalah .

Persamaan kimia :

N subscript 2 O subscript open parentheses g close parentheses end subscript space plus space 2 H subscript 2 O subscript open parentheses g close parentheses end subscript space rightwards arrow space N H subscript 4 N O subscript 3 space open parentheses g close parentheses end subscript 

increment H subscript reaksi space equals increment H subscript f space produk end subscript superscript degree space minus sign increment H subscript f space reaktan end subscript superscript degree space space space space space space space space space space space space space space equals left parenthesis minus sign 365 comma 6 space kJ space mol to the power of negative sign 1 end exponent right parenthesis space minus sign space left parenthesis minus sign 81 comma 6 space kJ space mol to the power of negative sign 1 end exponent right parenthesis space plus space left parenthesis 2 x space left parenthesis minus sign 241 comma 8 space kJ space mol to the power of negative sign 1 end exponent right parenthesis space space space space space space space space space space space space space space equals 199 space kJ space mol to the power of negative sign 1 end exponent 

Maka, increment H dari reaksi tersebut adalah 199 space kJ space mol to the power of negative sign 1 end exponent.blank subscript blank

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Pertanyaan serupa

Diketahui beberapa senyawa adalah sebagai berikut. Tentukan △ H reaksi pembakaran :4,48 liter gas propana ( C 3 ​ H 8 ​ ) (STP) ​

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