1.56 x 10^23 molecules of solid potassium chlorate decomposes when heated to form solid potassium chloride and oxygen gas. Assuming 100% yield, how many molecules of solid
potassium chloride will be produced?

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

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption