When naoh is added to water, the hydroxide concentration increases. what can you conclude about naoh?

Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?