4Fe + 3O2  2Fe2O3

1. Classify the reaction that occurred between the iron and oxygen.

2. What evidence was there that a reaction took place?

Nuclear fission is best described as

Which elements can react to produce a molecular compound?

Solid lithium hydroxide is used in space vehicles to remove exhaled carbon dioxide from the living environment by forming solid lithium carbonate and liquid water. 2 LiOH (s) + CO2 (g) - -> Li2CO3 (s) + H2O (l) If the space vehicle has 28.5.

You will need 0.0264 pounds of baby lotion. How many millimeters of baby lotion will you need if the density of the hand lotion is 1.15 g/ml? How many grams of baby lotion will you need?

Physical properties can be used to describe matter. Some properties are dependent on the amount of matter present. All BUT ONE of these physical properties changes with the amount of matter. That is A) density. B) mass. C) volume. D) weight.

An aqueous solution is made from a molecular compound rather than from an ionic compound. If some ions are present in solution, which best describes the solute? A. a weak electrolyte B. a nonelectrolyte C. a strong electrolyte D.

Which of the following measures the radiation given off by atoms per second?

What is the name of the outermost layer that forms a boundary around the outside of each cell

What does an ionic compound form?

How many electrons in an atom could have these sets of quantum numbers n=7 l=3 ml=-1?