Which of the following equations is not balanced? O 2Mg + O2 ---> 2Mgo
O 2NO+ O2 ---> 2NO2
O CaCO3---> CaO + CO2
O 2NaHCO3 + H2SO4 ---> Na2SO4 + 2H2O + CO2

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

Explain what happens at the saturation point when adding salt to water at room temperature.

How many atoms of nitrogen are in the chemical formula ni(w on