The kw of water varies with temperature. calculate the ph of water at 46⁰c with a kw = 1.219 x 10-14. show all calculations leading to an answer.

Compare and contrast the bohr model and the electron cloud models of the atom.

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

How many grams of phosphorus are contained in 5.09 moles of phosphorus?