Which statement is true about the potential energy diagram for an exothermic reaction? The products have less potential energy t
han reactants. The energy value remains the same throughout the diagram. The graph starts at a lower energy value and ends at a higher energy value. The potential energy of the products is equal to the potential energy of the reactants
1 answer:
Answer:
The products have less potential energy than reactants.
Explanation:
For an exothermic reaction; the potential energy of the products is less than that of reactants.
Since, ΔH = Pot. energy of products - Pot. energy of reactants.
and it must be negative value.
The attached image shows also the potential energy diagram of an exothermic reaction.
So, the right choice is The products have less potential energy than reactants.
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The correct IUPAC name of 1,1,1-trimethylheptane is 2,2-dimethyloctane.
<h3>IUPAC NAME:</h3>It is systematic way of nomenclature of organic compounds.
It is based on the position of functional groups, preference of the functional group, long or short chain of carbon, preference of double bond, single and triple bond, branching of carbon chain, etc.
The given compound is 1,1,1-trimethylheptane.
The given name is wrong according to IUPAC name because the numbering of carbon atom should be done in that way in which the carbon atom chain is largest.
Here, in this case the numbering is done from right side. Thus the largest carbon chain have 8 carbon atom.
If the numbering is done according to the question, number of carbon atom in straight chain is 7.
Thus, we concluded that the Correct IUPAC name of 1,1,1-trimethylheptane is 2,2-dimethyloctane.
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