Pentane and Hexane both are paraffin however Hexane has high density but less solubility. Explain?

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

Which statement describes james chadwick’s discovery.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?