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Sphinxa [80]
3 years ago
10

Calculate enthalpy of reaction using bond energies.Use the References to access important values if needed for this question. Us

e average bond enthalpies (linked above) to calculate the enthalpy change for the following gas-phase reaction. I2(g) +Cl2(g) 2ICI(g) To analyze the reaction, first draw Lewis structures for all reactant and product molecules.Include all valence lone pairs in your answer. Draw the reaction using separate sketchers for each species. One molecule per sketcher, please. Separate multiple reactants and/or products using the + sign from the drop-down arrow.Separate reactants from products using the symbol from the drop-down menu. If you have to draw H2, draw H-H.

Chemistry
1 answer:
san4es73 [151]3 years ago
6 0

Answer:

-28 KJ/MOL

Explanation:

CHECK ATTACHMENT FOR EXPLANATION

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How many kj of heat are needed to completely melt 32.3 g of h2o, given that the water is at its melting point? the heat of fusio
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Answer: fourth option, 10.8 kJ


Explanation:


The <em>heat of fusion</em>, also named latent heat of fusion, is the amount of heat energy required to change the state of a substance from solid to liquid (at constant pressure).


The data of the <em>heat of fusions</em> of the substances are reported in tables and they can be shown either per mole or per gram of substance.


In this case we have that the<em> heat of fusion for water </em>is reported per mole: <em>6.02 kJ/mole</em>.


The formula to calculate <em>how many kJ of heat (total heat) are needed to completely melt 32.3 g of water, given that the water is at its melting point</em> is:

  • Heat = number of moles × heat of fusion

The calculations are:

  • number of moles = mass / molar mass

        number of moles = 32.3 g / 18.015 g/mol = 1.79 mol

       

  • Heat = 1.79 mol × 6.02 kJ / mol = 10.8 kJ ← answer
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