initially a sample of nitrogen has mol in a 90ml container. if more gas was added to produce a total of moles in a 110ml container , how many moles were there initially?​

What is the mass of 8 moles of sodium atoms

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .