What is the result of a neutralization reaction between nitric acid (HNO3) and potassium hydroxide (KOH)?
2 answers:
Answer: and
Explanation: When an acid reacts with the base then it undergoes neutralization to form salt and water.
In the given case nitric acid is the acid as it donates ions and potassium hydroxide is the base as it gives
ions. When nitric acid react with potassium hydroxide base, potassium nitrate
is formed as a salt and water
is formed.
The balanced reaction will be,
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Answer:
41.4 s
Explanation:
Given data
- Rate constant (k): 8.42 × 10⁻² s⁻¹ at 800 °C
- Initial concentration of A ([A]₀): 5.00 M
- Concentration of A at a time t ([A]): 0.153 M
Let's consider the following reaction of first order with respect to A.
2 A ⇒ B
We can find the time that it will take for A to decrease from 5.00 M to 0.153 M using the following expression.
NH₄CN is a salt formed from weak base NH₄OH and weak acid HCN so that it undergoes complete hydrolysis
<h3>Further explanation</h3>The hydrolysis process is a term used for the reaction of substances with water
There are 3 types of hydrolysis salts
1.Salt from strong acids and strong bases does not undergo hydrolysis so that the pH of the neutral solution = 7
2.Salt from strong acids and weak bases (pH <7) or from strong bases and weak acids (pH> 7) will be partially / partially hydrolyzed
3.Salt from weak acids and weak bases (pH depends on the value of Ka and Kb) will be completely hydrolyzed
NH₄CN is a salt formed from weak base NH₄OH and weak acid HCN so that it undergoes complete hydrolysis
NH₄OH + HCN⇒NH₄CN+H₂O
Can be formulated :
Ka> Kb then [H +]> 7 and pH <7 ⇒ acidic
Ka <Kb then [H +] <7 or pH> 7 ⇒alkaline
Ka = Kb then pH = 7 ⇒neutral