Resonance, leaving group, carbonyl carbon delta+, and steric effect is the most crucial variables that affect the relative reactivity of a functional group containing a carbonyl in an addition or substitution process.
Discussion:
1. Carbonyl Carbon Delta+: The carbonyl group becomes more electrophilic and accelerates nucleophilic assault when the carbonyl carbon delta+ is bigger.
2. Resonance: When the carbonyl is transformed into the tetrahedral adduct, it may be lost. Loss of resonance increases the energy of the transition state for this nucleophilic assault because resonance has the function of stabilizing. Therefore, a carbonyl functional group's resistance to nucleophilic attack increases as resonance in the group increases in importance.
3. Leaving group: Tetrahedral adduct fragmentation is encouraged by a better LG.
4. Steric effects: The nucleophilic attack on carbonyl carbon is delayed when sterically impeded.
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The SI unit for mass is Kilogram (kg).
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Answer:</h3>
2NaOH(aq) + CaCl₂(aq) → 2NaCl(aq) + Ca(OH)₂(s)
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Explanation:</h3>
- The equation for the reaction between calcium chloride and sodium hydroxide to form calcium hydroxide and aqueous sodium chloride is given by;
2NaOH(aq) + CaCl₂(aq) → 2NaCl(aq) + Ca(OH)₂(s)
- It is an example of precipitation reaction in which a precipitate is formed as one of the products.
- During precipitation two aqueous solution combine to form a insoluble salt and a soluble salt.
Answer:
3
Explanation:
At pH 3, the pentapeptide Ala-Glu-His-Val-Cys would contain two positively charged groups and one negatively charged group.
This is evident in that peptides have both carboxylic and amino groups.
Given that peptides have a certain amount of H⁺ and OH⁻ ions, it converts to zwitterions.
This conversion process is based on pKₐ and pKb of the acid and the base accordingly.
Therefore, they have two positively charged groups and one negatively charged grou
Hey there! :
Mass = 156 g
Volume = 20.0 mL
Therefore:
Density = mass / volume
Density = 156 / 20.0
Density = 7.8 g/mL