How many iron atoms are in 5.4 mol of Fe203?

Which of the following most likely has neither a fixed shape nor a fixed volume? neon gas solid copper liquid nitrogen liquid mercury

1. What three important things does the blood do as it is circulating through the body? A. supplies the body with oxygen and nutrients, and picks up carbon dioxide wastes B. supplies the body with carbon dioxide and oxygen C.

What is the overall reaction order for the following rate law: rate = K [A]2 [B] zero first second third

Magnesium reacts with carbon dioxide to form magnesium oxide and pure solid carbon. Mg + CO2 - -> MgO + C This equation is not balanced. Why is it important for us to balance the equation for this reaction? A. To show the conservation of mass. B.

Nitrogen (N) has seven electrons. How many electrons are in the second shell of a nitrogen atom?

What is the independent and dependent variable for a dry ice experiment

a substance that undergoes a physical change like melting is still the same substance is it true or false

What is a polar molecule

A mixture of He He, N 2 N2, and Ar Ar has a pressure of 22.1 22.1 atm at 28.0 28.0 °C. If the partial pressure of He He is 2475 2475 torr and that of Ar Ar is 1049 1049 mm Hg, what is the partial pressure of N 2 N2?

Oceans make the temperaturs of nearby land more extreme ... True or false