What type of reaction is 2 NO2 - --> 2 O2 + N2

What element has the highest ionization energy?

Describe the two known major natural mechanisms for converting atmospheric nitrogen to useable forms.

Why is large-scale nuclear fission a rare phenomenon on Earth? A. There isn't enough energy to start a chain reaction in nature. B. There are no naturally occurring atoms that can undergo fission left on Earth. C.

A lightbulb filled with argon gas has a volume of 75 milliliters at STP. How many moles of argon gas does the lightbulb contain?

A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 miles? OA. 2 minutes OB. 2 hours C. 45 minutes OD. 45 hours 90 minutes

Dalton's atomic theory

Describe how food is digested and absorbed

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?