C3H7-C(=O)-NH2 IUPAC NAME ?

If two objects at different te,peraure are in contact with each other what happens to their temperature

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)]

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon