The valve between a 5.00 L tank containing oxygen gas at 9.00 atm and a 7.00 L tank containing neon gas at 6.00 atm is opened. Calculate the final
pressure in the tanks assuming constant temperature.

5.80 atm
7.50 atm
7.75 atm
7.25 atm
None of the above

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.