The balanced chemical equation is:
<h3>2H₂SO₄ + Pb(OH)₄ —> Pb(SO₄)₂ + 4H₂O</h3>
Chemical equation can be balance by simply doing a head count of the different elements in the reactants and products to verified they are equal.
The equation given in the question above can be balanced as follow:
H₂SO₄ + Pb(OH)₄ —> Pb(SO₄)₂ + H₂O
There are 2 atoms of SO₄ on the right side and 1 atom on the left side. It can be balance by writing 2 before H₂SO₄ as shown below:
2H₂SO₄ + Pb(OH)₄ —> Pb(SO₄)₂ + H₂O
There are a total of 8 atoms of H on the left side and 2 atoms on the right side. It can be balance by writing 4 before H₂O as shown below:
2H₂SO₄ + Pb(OH)₄ —> Pb(SO₄)₂ + 4H₂O
Thus, the equation is balanced.
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Answer:
The unbalanced chemical equation of propane combustion is
C₃H₈ (g) + O₂ (g) → CO₂(g) + H₂O(g)
Explanation:
Combustion is a type of chemical reaction in which there is the release of energy in the form of heat. This means that this reaction can be called exothermic.
When propane reacts with oxygen present in the air, it releases a high amount of heat. If the reaction is fully completed, the products are carbon dioxide and water vapor.
It would be Batteries (D)
Greater than the reactants because it gives product +heat
The volume is given in either litres or cube units(1 dm cubed is 1 litre). So, in this case, it's c) litres.