A) it is impossible to predict B) less than the nail it came from
C) more than the nail it came from
B) the same as the nail it came from

Which characteristics can be used to differentiate star systems? check all that apply.

What must be in balance for temperatures to remain constant?

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]