Each orbital can contain no more than 2 electrons. This is: O A. Conservation of energy
OB. The Pauli exclusion principle
C. None of these
D. Hund's rule

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted