Differentiate between compound and mixture.

What is the symbol for pressure used in the ideal gas equation

3. Which statement describes the charge and location of an electron in an atom? A) An electron has a positive charge and is located outside the nucleus. B) An electron has a positive charge and is located in the nucleus.

According to the cladogram, which organisms are the most primitive? flies wasps beetles moths

A particular sample of pantothenic acid, a B vitamin, gives off 72.6 mL of nitrogen gas at 23 degrees c and 795 torr. What is the volume of the nitrogen at STP?

How many atoms are in the 1.25 * 10-2 mol of mercury within the bulb of a thermometer?

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

When you light a fire place what energy transformation takes place

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?