Balance the following equations, and then classify each as a...

Balance the following equations, and then classify each as a precipitation, acid-base, or gas-forming reaction. Show states for the products (s, $\ell, \mathrm{g},$ aq), and then balance the completed equation. Write the net ionic equation. (a) $\mathrm{Fe}(\mathrm{OH})_{3}(\mathrm{s})+\mathrm{HNO}_{3}(\mathrm{aq}) \rightarrow \mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{3}+\mathrm{H}_{2} \mathrm{O}$ (b) $\mathrm{FeCO}_{3}(\mathrm{s})+\mathrm{HNO}_{3}(\mathrm{aq}) \rightarrow \mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{2}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$

Balance the following equations, and then classify each as a precipitation, acid-base, or gas-forming reaction. Show states for the products (s, $\ell, \mathrm{g},$ aq), and then balance the completed equation. Write the net ionic equation.
(a) $\mathrm{Fe}(\mathrm{OH})_{3}(\mathrm{s})+\mathrm{HNO}_{3}(\mathrm{aq}) \rightarrow \mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{3}+\mathrm{H}_{2} \mathrm{O}$
(b) $\mathrm{FeCO}_{3}(\mathrm{s})+\mathrm{HNO}_{3}(\mathrm{aq}) \rightarrow \mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{2}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$

Key Concepts

Net Ionic Equations

Net ionic equations focus on the species that actually participate in the chemical reaction, removing the spectator ions that do not change during the reaction. This simplification provides a clearer view of the underlying chemical process and helps to identify the essential reaction dynamics.

States of Matter Annotation

Indicating the states of matter (solid, liquid, gas, aqueous) in a chemical equation is vital because it informs about the physical properties and behaviors of the substances involved. This notation aids in predicting reaction mechanisms, solubility, and the overall reaction environment.

Acid-Base Reactions

Acid-base reactions involve the transfer of a proton (H+) between reactants, typically between an acid and a base. In these reactions, water is often formed along with a salt. Understanding these interactions is crucial for predicting reaction products, pH changes, and the driving forces behind neutralization.

Balancing Chemical Equations

Balancing chemical equations ensures that the number of each type of atom is the same on both sides of the reaction, honoring the law of conservation of mass. This process involves adjusting coefficients to balance atoms and molecules, which is fundamental in stoichiometry and accurate reaction representation.

Gas-Forming Reactions

Gas-forming reactions are characterized by the production of a gaseous product, which may escape from the reaction mixture. This type of reaction often has a significant impact on the reaction’s equilibrium and kinetics, as the evolution of gas can drive the reaction forward by shifting the balance of reactants and products.

Transcript

0:00 Hello everyone.

00:01 Let us see the following question.

00:03 Balance the following equations and then classify them as precipitation, acid -based reaction or gas forming reaction, show states of products that is like solid, liquid gas or acquies, and then balance the completed equation and write also the net ionic equation.

00:20 So we have to balance the following equation.

00:23 Balance the following equation.

00:34 So let us write the first reaction.

00:36 In first reaction, it is ferric hydroxide reacting with nitric acid, hno3.

00:48 So we know that it is double displacement reaction.

00:51 So we form ferric nitrate f .e, n -3, thrice, plus water, h -2o.

01:00 So, we know this is an acquiesce reaction.

01:03 This is also acquiesce, okay? this is an aquaise salt and this is a liquid.

01:10 So, since this is an acid and this is a base, this type of reaction is called as acid -based reactions.

01:22 Acid -base reactions.

01:25 So there is no salt, sorry, there is no precipitation form, hence there is also no gases formed.

01:31 So let us balance this completely.

01:32 Reaction, oh three times, so h has to be three times.

01:36 So, totally, three water is our nitrate three times, which is already three times here, f is one time...

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