7. A sample of helium gas occupies a volume of 24.6 L at 2.20 atm. What would its volume be at 3.50 atm? 15.5L

Please show your work

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)

One nanometer is equal to how many meters?