What is the expected outcome of adding a catalyst to a chemical reaction?

A chemical equation is shown: Al + O2 → Al2O3 According to the law of conservation of mass, how many atoms of oxygen exist in the products of this reaction?

Would it be easier or more difficult comepared to zinc to recover silver from solution?

Use the periodic table to determine the electron configuration for Cl and Y in noble-gas notation. Cl:

What was Newtons first law

What are the names for the following formulas? SF4 P205

What is the difference between a root word and a combining form? List 2 examples of combining form

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction