the heat of combustion of carbon to `CO_(2) is - 393 . 5 kJ // mol` . The heat released upon formation of 35.2g of `CO_(2)` from carbon and oxygen gas

Question

the heat of combustion of carbon to `CO_(2) is - 393 . 5 kJ // mol` . The heat released upon formation of 35.2g of `CO_(2)` from carbon and oxygen gas

the heat of combustion of carbon to `CO_(2) is - 393 . 5 kJ // mol` . The heat released upon formation of 35.2g of `CO_(2)` from carbon and oxygen gas is
A. `+ 315 kJ`
B. `-31 . 5kJ`
C. `-315 kJ`
D. `+ 31.5KJ`

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 - c
`C+O_(2)toCO_(2), DeltaH=-393.5kJ//mol`
heat releaded during the formation of 35.2 g(given) of
`CO_(2)=-(393.5xx35.2)/44=-315 kJ`

6 views Answered 2023-02-05 15:29