Question

9.
A balanced chemical equation does not indicate the change in
a) Colour
b) Evolution of heat
c) Speed of a chemical reaction
d) All of the above​

Answer 1

Answer:

A balanced equation models a chemical reaction using the formulae of the reactants and products . It shows the number of units of each substance involved.

Explanation:

When you balance an equation you can only change the coefficients (the numbers in front of molecules or atoms). Coefficients are the numbers in front of the molecule. ... These cannot be changed when balancing chemical equations! Subscripts are the smaller numbers found after atoms.