Write what you have first, Zn + FeCl3 ---> ZnCl2 + Fe
Everything matches up except the Cl, we have 3 on the left and 2 on the right. To balance, we look for a common factor, which is 6. So we multiply the FeCl3 by 2 and the ZnCl2 by 3.
Zn + 2FeCl3 ---> 3ZnCl2 + Fe
Now we have 6 Cl on both sides but the Zn and Fe are unbalanced. Now we have 2 Fe on the left and 1 on the right. We have 1 Zn on the left and 3 on the right. So we multiply the reactant Zn by 3 and the product Fe by 2.
3Zn + 2FeCl3 ---> 3ZnCl2 + 2Fe
Zn Zn Zn + ClFeCl ClFeCl ---> ClZnCl ClZnCl ClZnCl + Fe Fe
Cl Cl
3 Zn, 6 Cl, 2 Fe ---> 6 Cl, 3 Zn, 2 Fe
The same amount of each atom is on each side so it's balanced.
When hydrochloric acid is added to silver nitrate, a white precipitate of silver chloride forms due to the reaction between the chloride ions in hydrochloric acid and the silver ions in silver nitrate. The balanced equation is: HCl + AgNO3 -> AgCl + HNO3.
PbCl2 is the molecular formula (not chemical equation) of lead(II) chloride.
HCl + NaOH --> Na2SO4 + H2O You're missing something there... There's sulfur in the products but not in the reactants. And chloride in the reactants but not in the products... More likely you meant HCl + NaOH --> NaCl + H2O Which is already balanced.
The balanced equation for potassium carbonate (K2CO3) reacting with calcium chloride (CaCl2) is: K2CO3 + CaCl2 -> 2KCl + CaCO3 This equation represents the double displacement reaction that occurs between the two compounds.
By this following reaction:Fe2+ + Fe3+ + OH- ----> Fe3O4 + H2OIt comes out as a black precipitate. Generally this reaction is done by using Iron(II) Chloride, Iron(III) chloride and Ammonium hydroxide.
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When hydrochloric acid is added to silver nitrate, a white precipitate of silver chloride forms due to the reaction between the chloride ions in hydrochloric acid and the silver ions in silver nitrate. The balanced equation is: HCl + AgNO3 -> AgCl + HNO3.
The formula unit of sodium chloride is NaCl.
PbCl2 is the molecular formula (not chemical equation) of lead(II) chloride.
Sodium chloride doesn't react with zinc.
HCl + NaOH --> Na2SO4 + H2O You're missing something there... There's sulfur in the products but not in the reactants. And chloride in the reactants but not in the products... More likely you meant HCl + NaOH --> NaCl + H2O Which is already balanced.
PbCl2 + Cu
The balanced equation for Sodium Nitrate (NaNO3) and Potassium Chloride (KCl) is: 2NaNO3 + KCl -> 2NaCl + KNO3
balance equation of barrium chloride to sodium chromate
Aluminium + Lead Chloride --> Aluminiu, Chloride + Lead Al + 3PbCl --> AlCl3 + 3Pb
The balanced equation for potassium carbonate (K2CO3) reacting with calcium chloride (CaCl2) is: K2CO3 + CaCl2 -> 2KCl + CaCO3 This equation represents the double displacement reaction that occurs between the two compounds.
It is impossible to balance that equation.