Changing of pH

Freshly distilled water has a pH of about 5.6 and it changes to 6 on storage. WHY?

H2O (s) ⇒ H2O What would be the best argument against writing this in the form of a chemical equation?

Would it make a difference if calcium bromide solution, cabr2, were used rather than sodium bromide solution?

A piece of paper burns in a closed flask. As it burns, does the number of atoms in the flask increase, decrease, or remain the same? A. The number and type of atoms increase. B. The number and type of atoms decrease. C.

If 5750 Joules of energy are added to 455 grams of granite at 24.0 C, what is the final temperature of the granite The specific heat of granite is 0.79 J/g k

Calculate answers to the following problems to the correct number of significant figures. 30.07g/0.106mL=

What is the best name for the molecule below? a compound with 10 total carbons with a double bond and the rest single bonds.

What Word means the gradual change and build up of organisms in an enviroment

If you see the Sun is high in the sky, what can you say about the SUN as viewed from the opposite side of Earth at the same moment?

What element has 8 valence electrons

Which of the following best describes a metal? Brittle, shiny, and solid Brittle, dull, and low density Malleable, shiny, and able to conduct heat or electricity Malleable, dull, and solid, liquid, or gas at room temperature?