Question

Balancing equations
Periodic table equations

Answer 1

Balancing equations

Periodic table equations

Balancing equations is an important skill in chemistry that involves making sure that the same number of atoms of each element is present on both sides of a chemical equation.

Here is an example of how to balance a chemical equation:

Let's say we have the following unbalanced equation:

Fe + O2 → Fe2O3

To balance this equation, we need to make sure that the same number of atoms of each element is present on both sides of the equation. We can do this by adjusting the coefficients in front of each molecule:

4Fe + 3O2 → 2Fe2O3

Now the equation is balanced because we have 4 atoms of Fe and 6 atoms of O on both sides of the equation.

The periodic table is a table of elements that is arranged in order of increasing atomic number. Each element is represented by a unique symbol and has a corresponding atomic number and atomic mass.

Chemical equations often involve the use of elements from the periodic table. For example, H2O represents water, which is made up of two hydrogen atoms and one oxygen atom.

When writing or balancing chemical equations, it is important to be familiar with the elements on the periodic table and their properties. This can help you to accurately represent the reactions that are taking place.

Answer 2

Balancing equations in chemistry involves ensuring the same number and types of atoms on both sides of the equation.

Step-by-step explanation:

In chemistry, balancing equations is an important skill to ensure that the same number and types of atoms appear on both sides of the equation. To balance a chemical equation, you need to follow a few steps:

1. Write down the formulas of the reactants and products.
2. Count the number of atoms of each element on both sides of the equation.
3. If the equation is not balanced, adjust the coefficients of the molecules until the number of atoms of each element is the same on either side.
4. Check that all atoms are balanced.
5. Add any necessary phase symbols or other details to the equation.