What does it mean if a cell has a positive voltage? O A The reaction will occur if energy is added.
O B. The reaction will occur naturally
C. The reaction is not spontaneous.
D. The reaction will not occur naturally.

What is the [oh-] in a solution with a poh of 3.90

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )