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Calculate the change in enthalpy when 52.0 g of solid chromium at 25 degrees celcius and 1 atm pressure is oxidized. (delta h for Cr2O3(s) is -1135 kJ/mol.)

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Calculate the change in enthalpy when 52.0 g of solid chromium at 25 degrees celcius and 1 atm pressure is oxidized. (delta h for Cr2O3(s) is -1135 kJ/mol.)
Answered Same Day Dec 29, 2021

Solution

David answered on Dec 29 2021
132 Votes
Calculate the change in enthalpy when 52.0 g of solid chromium at 25 degrees celcius and 1 atm
pressure is oxidized. (delta h for Cr2O3(s) is -1135 kJ/mol.)
The reaction is –
4 Cr (s) + 3 O2 (g) = 2 Cr2O3 (s)
 
 
tan
2 3
2 3
2 1135kJ/mol...
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