Express the equilibrium constant for the following equation 2Na+2H2O-> <-2NaOH + H2

What are transitions between a liquid and gas called? identify which way they are transitioning

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse