We have observed during the semester various reactions that are driven by the hydrolysis of ppi (pyrophosphate) by pyrophosphatase. ppi-h2o à 2 pi find and diagram out three reactions that utilize the hydrolysis of ppi to drive the equilibrium of the reaction towards the product.

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.