1. two types of reaction occur when baking soda and vinegar combine. the first is a double replacement reaction. write a balanced

1. two types of reaction occur when baking soda and vinegar combine. the first is a double replacement reaction. write a balanced equation for this reaction. balance both equations. (hco3) + h(c2h3o2) → (c2h3o2) + → + 2. what type do you think the second reaction is? why?

Answers

1NaHCO3 + 1HC2H3O2 → 1Na(C2H3O2) + 1H2CO3
First reaction is balanced, there is no need to write coefficient 1 in front of molecule.
1H2CO3 → 1H2O + 1CO2
Second reaction is also balanced. This type of reaction is calling chemical decomposition or analysis, because one molecule separats into its two simpler compounds.

1) Balanced chemical reaction:

1Na(HCO₃) + 1H(C2H₃O₂) → 1Na(C₂H₃O₂) + 1H₂CO₃.

Double replacement reactions (double displacement or metathesis reactions), two ionic compounds are exchanged, making two new compounds.

2) Balanced chemical reaction: 1H₂CO₃ → 1CO₂ + 1H₂O.

H₂CO₃ is carbonic acid.

CO₂ is carbon (IV) oxide or carbon dioxide.

Chemical decomposition is the separation of a single chemical compound (in this example carbonic acid) into its two or more simpler compounds (in this example water and carbon dioxide).

The chemical equation for the Vinegar & Baking Soda reaction is: NaHCO3(s) + CH3COOH(l) → CO2(g) + H2O(l) + Na+(aq) + CH3COO-(aq) with s = solid, l = liquid, g = gas, aq = aqueous or in water solution Another reaction is: NaHCO3 + HC2H3O2 → NaC2H3O2 + H2O + CO2 The chemical reaction actually occurs in two steps. First, there is double displacement reaction in which acetic acid in vinegar reacts with sodium bicarbonate to form sodium acetate and carbonic acid: NaHCO3 + HC2H3O2 → NaC2H3O2 + H2CO3 Then,Carbonic acid is unstable and undergoes a decomposition reaction to produce the carbon dioxide gas: H2CO3 → H2O + CO2

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