In the ideal gas law, n represents___.

at the top of a mountian the pressure is found to be 0.52 atomspheres how does this compare to standard atmosphere pressure at sea level?

Underground water is an example of A) a hidden water source. B) a untapped water source. C) an unusable water source. D) a high salinity water source.

Who was the second person to organize the elements on the periodic table and what property did he use to re-organize them?

You could use an elevator or the stairs to lift a box to the 10 form which has greater power

Suppose you begin with 1.50~g of the hydrate copper (II) sulfate · x-hydrate (CuSO4· x H2O), where x is an integer. After dehydration you find that you are left with 0.96~g of the an-hydrate CuSO4. What is the unknown integer x.

The reaction rate between reactants Z and Y is proportional to the cube of [Z]. What is the rate law for this reaction?

A metal surface becomes dull because of continued abrasion. chemical or physical

What types of tissues build the digestive system?

Chemical bonds? A.) Combine compounds to form elements B.) Hold atoms together to form compounds C.) Are always covalent D.) Are always ionic

What is the smalles lt unit of copper that still maintained the characteristics of copper