8.00 mole of iron and 7.00 mole of oxygen gas are used in the above reaction How many moles of excess oxygen are left over after the reaction goes to completion?

What is the lowest number energy level where a d sublevel is found

What is true of composite volcanoes?

How does the digestive system interact with the circulatory system? a. messages sent as electrical impulses from the digestive system are transported throughout the body by the circulatory system. b. nutrients taken in and broken down by the digestive system are carried to various parts of the body by the circulatory system. c. nutrients and gases are absorbed by organs in the circulatory system. then, they are transported to all parts of the body by organs in the digestive system. d. oxygen and carbon dioxide are exchanged by organs in the digestive system, and the gases are carried to the rest of the body by the circulatory system.