Consider the following saturated solution of calcium hydroxide. Ca(OH)2 (s) + Ca(aq) + 2OH(aq)
What effects, if any, will adding Cl have on the position of equilibrium?
A) shifts to product side
B) shifts to reactant side
C) will increase the concentration of Ca(OH)2 (8)
D) None

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture