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viva [34]
2 years ago
6

Which of thes is a property of a substance that is composed of atoms that are held together by ionic bonds?

Chemistry
1 answer:
Svetlanka [38]2 years ago
8 0

Answer: D) It conducts electricity when it is dissolved in water

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Determine the enthalpy for this reaction: Al(OH)3(s)+3HCl(g)→AlCl3(s)+3H2O(l)
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<span>Important information to solve the exercise :
Substance ΔHf (kJ/mol):
HCl(g)= −92.0 </span><span>kJ/mol
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</span> H2O(l)= −285.8 </span><span>kJ/mol
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</span><span>Al(OH)3(s)+3HCl(g)→AlCl3(s)+3H2O(l)
    reactants                         products

products- reactants:</span><span>

(−705.6) + (3 x −285.8) - ( −1277.0 ) - (3 x −92.0 ) = - 10.0 </span>kJ per mole at 25°C
<span>
</span>






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3 years ago
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