Write the balanced chemical equations for - 1) sulphuric acid with calcium carbonate
2) nitric acid with sodium carbonate
3) hydrochloric acid with copper carbonate

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.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?