a 23.00l container holds 36g of oxygen 10.0g of helium and 2.0 moles of carbon dioxide at -50.0 degrees celsius. what is the total pressure of this container?

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

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.

What is the independent variable in this investigation? mass volume sample number substance density