How is a magnetic fall produced? When electromagnetic fold interacts with a magnet
When an object has an electric charge
when a current runs through a conductor
When electrons move through a circuit

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

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?