Question 2 (5 points) (04.01 LC)
Look at the chemical equation:
2H2S + 302 - 2H2O + 2502
How many atoms of hydrogen (H) are present on both sides of the equation? (5 points)
a
2.
Ob
3
Ос
4
Od 6

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)]