How many moles of gas does it take to occupy 520 ml at a pressure of 400 torr and a temperature of 340 k
a.73.6 moles
b. 0.0098 moles
c.0.980 moles
d. 0.0735 moles

Write a balanced equation showing the formation of copper (ii) nitrite from its elements

In a ball-and-stick molecular model, what do the sticks represent?

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.