Which of the following would release the most heat upon cooling from 75*C to 50*C?
2 answers:
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Energy is transmitted to the surrounding in an exothermic reaction and this can be understood with the energy diagram of exothermic reaction attached with the answer.
<h3>What is an Exothermic Reaction ?</h3>
When a chemical reaction happens, energy is transferred to or from the surroundings.
When energy is transferred to the surroundings, this is called an exothermic reaction, and the temperature of the surroundings increases.
ΔH value negative –> energy released –> exothermic reaction
This happens because the reactants are at the higher energy state as compared to the products and therefore heat is liberated in the atmosphere to match the difference and therefore heat content in the surroundings increases.
The energy diagram for the exothermic reaction is attached with this answer.
To know more about exothermic reaction
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Answer:
is the concentration of
in the solution.
Explanation:
Concentration of nickel ion =
Concentration of nickel complex=
Concentration of ethylenediamine =
The formation constant of the complex =
The expression of formation constant is given as:
is the concentration of
in the solution.