What is the concentration of hydronium in each of the following cases:
[OH-] = 10-12 M ?
[OH-] = 10-2 M ?

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

Compare and contrast physical changes with chemical changes.

One does not belong why? ice, gold ,wood ,diamond and table salt