What is the temperature of NO 2 gas if the average speed (actually the root-mean-square speed) of the molecules is 750 m/s?

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

How does a large body of water, such as the ocean, influence climate?

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!