1. A container holds four times as many moles of CO2 as O2. If the total pressure in the container is 20. atm,

what is the pressure exerted by carbon dioxide?

T

-

atm

Round your answer to the nearest whole number.

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Which metals are called noble metals

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!