A crystal of aluminum contains 1012 m of dislocation per m3. A. Calculate the total amount of energy per m3 associated with dislocations. Assume that half of the dislocations are edges and half are screws. B. What would be the temperature rise if this energy could be released as heat

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

2b2t

explanation:

2b2t

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