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?​

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration