When baking soda is mixed with vinegar, which type of reaction has taken place?
1 answer:
Answer:
<span>When baking soda is mixed with vinegar, a Neutralization reaction takes place.
Explanation:
The reaction of Baking sode (NaHCO</span>₃) and Vinegar (Acetic Acid) takes place in two steps.
Step 1:
In first step a Double Displacement Reaction takes place between baking soda and acetic acid.
NaHCO₃ + CH₃COOH → CH₃COONa + H₂CO₃
Step 2:
The Carbonic acid (H₂CO₃) formed in first step undergoes Decomposition Reaction as it is unstable.
H₂CO₃ → CO₂ + H₂O
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H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O
Explanation:
Answer:
A. it contains a lot of matter
Answer:
Enthalpy is the amount of heat released or absorb. The total enthalpy can be found by subtracting the products' enthalpy by the reactants' enthalpy
Answer:
<h2>pH = 4.44 </h2>
Explanation:
The pH of a substance can be found by using the formula
![p H = - log[ H^{ + } ]](https://tex.z-dn.net/?f=p%20H%20%20%3D%20%20-%20%20%20log%5B%20H%5E%7B%20%2B%20%7D%20%20%5D)
where [ H+ ] is the hydrogen ion concentration of the solution
From the question
[ H + ] = 3.60 × 10^-5 M
So the pH is
We have the final answer as
<h3>pH = 4.44 </h3>
Hope this helps you
Answer:
0.465
Explanation:
To find the volume of a substance, divide the mass by the density.
M/D = V
10.0 / 21.5 = 0.4651163
Then round to 3 significant figures: and the density is 0.465
