Why is it important to choose a relevant scale for analyzing data sets in science.

What is the ph of a solution with a 1.50 × 10−9 m hydroxide ion concentration?

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

What natural processes produce large quantities of co2