Approximately 1 ml of two clear, colorless solutions-0.1 m ba(no3)2 and 0.1 m na2so4- were combined. upon mixing, a thick, milky white precipitate formed. after centrifugation, the solution above the precipitate was found to be clear and colorless. based on these observations, determine if a reaction occurred. if so, write the balanced chemical equation and net ionic equation for the reaction.

The reaction between 1 mL of 0.1 M Ba(NO₃)₂ and 0.1 M Na₂SO₄ has the balanced chemical equation:

And the net ionic equation:

1 mL of two clear, colorless solutions -0.1 M Ba(NO₃)₂ and 0.1 M Na₂SO₄- were combined. They form a milky white BaSO₄ precipitate. This is a double displacement reaction.

The balanced molecular equation is:

Ba(NO₃)₂(aq) + Na₂SO₄(aq) ⇒ BaSO₄(s) + 2 NaNO₃(aq)

We can also write the complete ionic equation, in which electrolytes are written as ions.

Ba²⁺(aq) + 2 NO₃⁻(aq) + 2 Na⁺(aq) + SO₄²⁻(aq) ⇒ BaSO₄(s) + 2 Na⁺(aq) + 2 NO₃⁻(aq)

On the other hand, the net ionic equation does not include spectator ions, which are the ions that appear in both reactants and products.

Ba²⁺(aq) + SO₄²⁻(aq) ⇒ BaSO₄(s)

The reaction between 1 mL of 0.1 M Ba(NO₃)₂ and 0.1 M Na₂SO₄ has the balanced chemical equation:

And the net ionic equation:

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balanced chemical equation:

Net ionic equation :

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

The balanced chemical equation is:

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

The ions which are present on both the sides of the equation are sodium and nitrate ions and hence are not involved in net ionic equation.

Hence, the net ionic equation is

chemical energy is stored in the chemical bonds of atoms and molecules. it can only be seen when it is released in a chemical reaction. when chemical energy is released, the substance from which the energy came is often changed into an entirely different substance.

this chemical reaction releases energy in the form of light and heat. chemical energy is the potential energy stored in the arrangement of atoms within molecules. breaking chemical bonds requires energy, while forming new chemical bonds releases energy.

the atp molecule can store energy in the form of a high energy phosphate bond joining the terminal phosphate group to the rest of the molecule. in this form,energy can be stored at one location, then moved from one part of the cell to another, where it can be released to drive other biochemical reactions.

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