Aluminum and silver tarnish yield pure silver in an aluminum sulfide solution, is the reaction above a replacement reaction? explain

What is the equilibrium constant of aa+bb=cc+dd

What is the overall order of reaction for rate = k[no]2[o2]

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