Chemistry, 04.07.2019 14:00 haleyehewitt2001

Complete and balance the molecular equation, including phases, for the reaction of aqueous iron(iii) nitrate, fe(no3)3 and aqueous lithium hydroxide, lioh.

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Answer from: Tayler9353

The complete and balanced molecular equation is as follows:

$\boxed{{\text{Fe}}{{\left({{\text{N}}{{\text{O}}_{\text{3}}}}\right)}_{\text{3}}}\left({aq} \right)+3{\text{LiOH}}\left({aq}\right)\to{\text{Fe}}{{\left({{\text{OH}}}\right)}_3}\left(s\right)+3{\text{LiN}}{{\text{O}}_{\text{3}}}\left({aq}\right)}$

Further Explanation:

The chemical reaction that contains equal number of atoms of the different elements in the reactant as well as in the product side is known as balanced chemical reaction. The chemical equation is required to be balanced to follow the Law of the conservation of mass.

Double displacement reaction is defined as the reaction in which ions of two compound interchange with each other to form the product. For example, the general double displacement reaction between two compound AX and BY is as follows:

${\text{AX}}+{\text{BY}}\to{\text{AY}}+{\text{BX}}$

The steps to balance a chemical reaction are as follows:

Step 1: Complete the reaction and write the unbalanced symbol equation.

In the double displacement reaction, iron(III)nitrate $\left({{\text{Fe}}{{\left({{\text{N}}{{\text{O}}_{\text{3}}}}\right)}_{\text{3}}}}\right)$ reacts with lithium hydroxide (LiOH) to form ${\text{LiN}}{{\text{O}}_{\text{3}}}$ and ${\text{Fe}}{\left({{\text{OH}}}\right)_3}$ . The physical state of ${\text{Fe}}{\left({{\text{OH}}}\right)_3}$ is solid and ${\text{LiN}}{{\text{O}}_{\text{3}}}$ exist in aqueous phase. The unbalanced chemical equation is as follows:

${\text{Fe}}{\left({{\text{N}}{{\text{O}}_{\text{3}}}}\right)_{\text{3}}}\left({aq}\right)+{\text{LiOH}}\left({aq}\right)\to{\text{Fe}}{\left({{\text{OH}}} \right)_3}\left(s\right)+{\text{LiN}}{{\text{O}}_{\text{3}}}\left({aq}\right)$

Step 2: Then we write the number of atoms of all the different elements that are present in a chemical reaction in the reactant side and product side separately.

On reactant side,

Number of iron atom is 1.

Number of nitrogen atoms is 3.

Number of oxygen atoms is 10.

Number of lithium atom is 1.

Number of hydrogen atoms is 1.

On product side,

Number of iron atom is 1.

Number of nitrogen atoms is 1.

Number of oxygen atoms is 6.

Number of lithium atom is 1.

Number of hydrogen atoms is 3.

Step 3: Initially, we try to balance the number of other atoms of elements except for carbon, oxygen, and hydrogen by multiplying with some number on any side. Lithium and iron atoms are balanced on both sides. To balance the number of nitrogen atom multiply ${\text{LiN}}{{\text{O}}_{\text{3}}}$ by 3. Now the reaction is,

${\text{Fe}}{\left({{\text{N}}{{\text{O}}_{\text{3}}}}\right)_{\text{3}}}\left( {aq}\right)+{\text{LiOH}}\left({aq}\right)\to{\text{Fe}}{\left({{\text{OH}}}\right)_3}\left(s\right)+\boxed3{\text{LiN}}{{\text{O}}_{\text{3}}}\left({aq}\right)$

Step 4: After this, we balance the number of atoms of carbon and then hydrogen atom followed by oxygen atoms. To balance the number of atoms of oxygen and hydrogen atoms we have to multiply LiOH by 3. Now the reaction is,

${\text{Fe}}{\left({{\text{N}}{{\text{O}}_{\text{3}}}}\right)_{\text{3}}}\left({aq}\right)+\boxed3{\text{LiOH}}\left({aq}\right)\to{\text{Fe}}{\left({{\text{OH}}} \right)_3}\left(s\right)+3{\text{LiN}}{{\text{O}}_{\text{3}}}\left({aq}\right)$

Step 5: Finally, we check the number of atoms of each element on both the sides. If the number is same then the chemical equation is balanced. The balanced chemical equation is as follows:

${\text{Fe}}{\left( {{\text{N}}{{\text{O}}_{\text{3}}}}\right)_{\text{3}}}\left( {aq} \right)+3{\text{LiOH}}\left( {aq}\right)\to{\text{Fe}}{\left({{\text{OH}}} \right)_3}\left(s\right)+3{\text{LiN}}{{\text{O}}_{\text{3}}}\left({aq}\right)$

Learn more:

1. Balanced chemical equation:

2. Number of covalent bonds does nitrogen formed with its unpaired:

Answer details:

Grade: High School

Subject: Chemistry

Chapter: Chemical reaction and equation

Keywords: Balancing, Fe(NO3)3, LiOH, Fe(oh)3, LiNO3, phases, physical state, solid, liquid, gas, aqueous, coefficients, and double displacement reactions.

Answer from: Quest

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Answer from: Quest

That is a lot of moles that you have

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