The brass cube has a mass of 67.2 grams. Each side is 2 cm long. What is the density of the brass cube? A) 2.8 g/cm 3 B) 3.15 g/cm 3 C) 8.4 g/cm 3 D) 9.45 g/cm 3

A cheeseburger from a fast food restaurant contains 19 g of fat, 20 g of carbohydrate, and 28 g of protein.

What is the relationship between the electronic structure of a carbon atom and the variability of organic compounds?

As a substance changes from a liquid to a gas, the average distance between molecules ... (1) decreases (2) increases (3) remains the same

Which statement describes the valence electrons in metallic bonds? a) They are shared equally between two atoms. b) They are shared unequally between two atoms. c) They are shared among many atoms. d) They are transferred from one atom to another.

Which of these factors is least likely to determine whether a given solute dissolves in a given solvent? A. whether the solvent and solute are both polar B. whether the solvent and solute are both nonpolar C.

In a laboratory, Carlos places one plate with grape jelly and another plate with cooked brown rice inside an ant farm. The next day, he finds that both plates are filled with ants.

Which statement is true at STP? (The atomic mass of Zn is 65.39 u.)

A sample of gas has a volume of 2.4 L and a pressure of 1.2 atm. What would the pressure of the same gas sample be if the volume is reduced to 1.8L at a constant temperature?

The elements most likely to form more than type of ion are the ... A. Transition metals B. alkali metals C. halogens D. alkaline earth metals

Mole-Mass Conversions How many moles in 28. o grams of Oxygen? What is the mass of 5.0 moles of Iron? Find the number of moles of argon in 452 g of argon. Find the grams in 16.5 mol of Hydrogen.