For each pair of molecules given in the table below, the correct relationships are identified as follows.
<h3>The relationships between the molecules are given as?</h3>
- These are structural isomers. This is because, they have the same molecular formula (C₆H₁₂) but possess varying structures.
- The given pair of molecules posses similar formula (C₄H₁₀O) and can be superimposed on one another via rotation of the entire molecule, hence they are identical isomers.
- In this case the pair of molecules possess similar molecular formula (C₄H₁₀O) and similar arrangement of atoms. Hence, they are identical isomers.
- This case also features structural isomers. They both contain the same carbon chain with similar formula - C₃H₆BrCl
- These pair as identical isomers. They are also derived from C₃H₆BrCl.
- This pair are called stereoisomers isomers. This is because they contain the same about of molecules but are different in the position of the alcohol (-OH) group. But more importantly, the position of the bonding is the same.
- This set is a functional pair. This is because the composition of the molecules present in each case are different.
- This is also a functional pair.
<h3>What is a molecules?</h3>
A molecule is a bonded collection of atoms that represents the smallest fundamental unit of a chemical compound that may participate in a chemical process.
Learn more about a molecule at:
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Answer:
83 g
Explanation:
Step 1: Write the balanced equation
2 Fe + 3 S ⇒ Fe₂S₃
Step 2: Calculate the moles corresponding to 95 g of Fe
The molar mass of Fe is 55.85 g/mol.
95 g × 1 mol/55.85 g = 1.7 mol
Step 3: Calculate the moles of S needed to react with 1.7 moles of Fe
The molar ratio of Fe to S is 2:3. The moles of S needed are 3/2 × 1.7 mol = 2.6 mol
Step 4: Calculate the mass corresponding to 2.6 moles of S
The molar mass of S is 32.07 g/mol.
2.6 mol × 32.07 g/mol = 83 g
