If the heats of formation of Al_2O_3 and Fe_2O_3 are -400 K.Cal and -190 K.Cal respectively, the heat of the following reaction is 2Al + Fe_2O_3 rarr 2Fe + Al_2O_3

If the heats of formation of Al_2O_3 and Fe_2O_3 are -400 K.Cal and -1

1.	If the heats of formation of Al_2O_3 and Fe_2O_3 are -400 K.Cal and -190 K.Cal respectively, the heat of the following reaction is 2Al + Fe_2O_3 rarr 2Fe + Al_2O_3
Answer» `590 K.Cal` `-210 K.Cal` `-290 K.Cal` `210 K.Cal` ANSWER :D