Chemical Equations and balancing

Question 1

What does chemcial equation show

Answer 1

Reactants -> products, representing a chemical reaction

Question 2

What is required in a balanced chemical equation

Answer 2

The number of atoms each element must be equal on both sides

Question 3

Can you change subscripts when balancing equations

Answer 3

No only coefficients (whole numbers) can be changed

Question 4

Example of a balanced reaction:

Answer 4

2H2+O2 -> 2H2O