A normal force of 38 newtons acts on a book lying on a table. If the coefficient of static friction is 1.2, what is the minimum applied force required to slide the book?

Consider again the thermite reaction. If 0.0257 g Al react completely, what mass of Fe forms? Use the periodic table to find molar masses.

What are the forces that hold sodium and chloride ions together?

Which statement about valence electrons is true? A) they are located in the outer energy level of an atom B) they are potentially involved in chemical reactions C) they determine whether an element can conduct electricity D) all of the above

A) What characteristics of physical properties distinguish metals from nonmetals? B) Where are metals and nonmetals located on the periodic table?

How are elements different from compounds?

At room temperature and pressure what is the volume of one mole of oxygen?

Ibuprofen, a common pain remedy, has an empirical formula of C7H9O and a molar mass of approximately 218.078 grams per mole. What is the molecular formula of ibuprofen?

Copper (cu) is a transition element used in the making of coins. calculate the mass in grams of 0.0420

In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below.

A chemist must prepare of aqueous potassium permanganate working solution. He'll do this by pouring out some aqueous potassium permanganate stock solution into a graduated cylinder and diluting it with distilled water.