The formation of an ionic bond involves the what?

1 answer:

8 0

Answer is: transfer of electrons.
Ionic bond is the electrostatic attraction between oppositely charged ions.
For example, compound magnesium chloride (MgCl₂) has ionic bond.
Magnesium (Mg) transfers two electrons, became positive cation, to chlorine (Cl), which became negative anion.
Magnesium is metal from group 2 and chlorine is nonmetal from group 17 of the Periodic table.

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3 years ago

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Answer:

The equation to show the the correct form to show the standard molar enthalpy of formation:

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Explanation:

The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance from its constituent elements, with all substances in their standard states.

Given, that 1 mole of $H_2$ gas and 1 mole of $Br_2$ liquid gives 2 moles of HBr gas as a product.The reaction releases 72.58 kJ of heat.

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Divide the equation by 2.

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The equation to show the the correct form to show the standard molar enthalpy of formation:

$\frac{1}{2}H_2(g) +\frac{1}{2}Br_2(l)\rightarrow HBr(g) ,\Delta H_{f}^o= -36.29 kJ$

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