what is the value of the coefficient for cobalt when the following equation is balanced Co(s)+ O2 (g)> Co2O3(s)
4Co + 3O2 ==> 2Co2O3
To balance the chemical equation:
Co(s) + O2(g) -> Co2O3(s)
We need to make sure that the same number of each type of atom is present on both sides of the equation.
1. Start by counting the number of each type of atom on the reactant side:
Reactant side:
Co - 1
O - 2 (since O2 represents 2 oxygen atoms)
2. Now count the number of each type of atom on the product side:
Product side:
Co - 2 (since Co2O3 has 2 cobalt atoms)
O - 3 (since Co2O3 has 3 oxygen atoms)
3. To balance the equation, we need to adjust the coefficients in front of the reactants and products.
Reactant side:
Co(s) + O2(g)
Product side:
2Co(s) + 3O2(g) -> Co2O3(s)
So, the coefficient for cobalt (Co) in the balanced equation is 2.
To find the coefficient for cobalt (Co) in the balanced equation Co(s) + O2(g) → Co2O3(s), we need to balance the equation by ensuring that the number of atoms of each element is the same on both sides.
Let's start by counting the number of atoms for each element on both sides of the equation:
On the left side (reactants):
Co: 1 atom
O: 2 atoms
On the right side (products):
Co: 2 atoms
O: 3 atoms
Since the number of atoms for Co on the left side is 1, but on the right side, it is 2, we need to balance the equation by making the number of Co atoms the same on both sides.
To do this, we can place a coefficient of 2 in front of Co(s) on the left side:
2Co(s) + O2(g) → Co2O3(s)
Now, let's count the number of atoms for each element again:
On the left side (reactants):
Co: 2 atoms
O: 2 atoms
On the right side (products):
Co: 2 atoms
O: 3 atoms
Now the number of Co atoms is the same on both sides of the equation, and we have balanced the equation. The coefficient for cobalt (Co) in the balanced equation Co(s) + O2(g) → Co2O3(s) is 2.