In the lab, you have three samples of equal concentration: acetic acid, hydrochloric acid, and sulfuric acid. a) How would the pH of each acid compare? Explain. b) If each was used separately in a titration of sodium hydroxide, how would the volume of each acid compare?

Matches the chemical name of each oxide of phosphorus to its chemical formula

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

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.