What kind of reaction is this? 1. Synthesis

2. Decomposition

3. Single Replacement

4. Combustion

5. Double replacement

6. Acid-Base

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

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

Stage in which a typical star has completely stopped fusion