The structure that corresponds to the structure of pentanoic acid is both 
CH₃CH₂CH₂CH₂COOH and also by the line formula as in Option B , 
Option C is the right answer.
<h3>What is Pentanoic Acid ?</h3>
Pentanoic Acid is given by the formula C₅H₁₀O₂ and a straight chain alkyl Carboxylic acid.
The structure that corresponds to the structure of pentanoic acid is both 
CH₃CH₂CH₂CH₂COOH and also by the line formula as in Option B , 
Therefore Option C is the right answer.
To know more about Pentatonic Acid 
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Answer:
C₂H₃O
Explanation:
From the question given above, the following data were obtained:
Carbon (C) = 48.8383%
Hydrogen (H) = 8.1636%
Oxygen (O) = 43.1981%
Empirical formula =?
The empirical formula of the compound can be obtained as follow:
C = 48.8383%
H = 8.1636%
O = 43.1981%
Divide by their molar mass
C = 48.8383 / 12 = 4.07
H = 8.1636 / 1 = 8.1636
O = 43.1981 / 16 = 2.7
Divide by the smallest
C = 4.07 / 2.7 = 2
H = 8.1636 / 2.7 = 3
O = 2.7 /2.7 = 1
Thus, the empirical formula of the compound is C₂H₃O 
 
        
             
        
        
        
Answer:
1) increases
2) smaller
Explanation:
Generally, as electron- electron repulsion increases and more electrons are added to the atom while Z is held constant, the electron cloud size is increased. The size of the anion formed is usually measured as the size of this extended electron cloud. Hence the larger electron cloud means a larger anion size compared to the size of the neutral atom.
For a cation, the converse is true and the cation is found to be smaller than the neutral atom.
 
        
                    
             
        
        
        
Answer: 
The main difference between evaporation and boiling are : 1. Evaporation takes place at all temperatures, while boiling occurs at a particular temperature. 2. Evaporation takes place from the surface, whereas the entire liquid boils. 3. Evaporation can occur using the internal energy of the system, while boiling requires an external source of heat.