What volume is needed to store 0.050 moles of helium gas at 202.6 kpa and 400 k? (given: r = 8.314 l∙kpa/k∙mol)
a) 1.218 l
b) 121.8 l
c) 0.820 l
d) 8.21 l
e) 82.1 l

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

What type of matter is made of only one kind of atom

What’s the theoretical yield of solid lead