Enthalpy of combustion of `C_(6) H_(6) (l)` is - 3264. 64 kj/ mol . The heat produced by burning 3. 9 g of benzene is

Question

Enthalpy of combustion of `C_(6) H_(6) (l)` is - 3264. 64 kj/ mol . The heat produced by burning 3. 9 g of benzene is

Enthalpy of combustion of `C_(6) H_(6) (l)` is - 3264. 64 kj/ mol . The heat produced by burning 3. 9 g of benzene is
A. `-163.23 kJ`
B. `` 326 . 4 kJ
C. ` 32.64 kJ`
D. `-3.254 kJ`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - a
since , heat evolved when 78 g benzene is burnt
`=-3264.6 kJ`
therefore, heat produced , by buring 3.9 g benzence
`3.9/78xx(-3264.6)=-163.23 kJ`

6 views Answered 2023-02-05 15:29