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True or false Heat of reactions are always equal to DH NaOH is hygroscopic substance, slowness in...

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Chemistry

True or false

  1. Heat of reactions are always equal to DH

  1. NaOH is hygroscopic substance, slowness in weighing anddissolution in water will result in an increase in the calculatedheat of solution

  1. In the heat of solution experiment changing NaOH to KOH willchange the DH value

  1. Heat of solution is always negative (exothermic)

Answer & Explanation Solved by verified expert
3.6 Ratings (252 Votes)
a Heat of reactions are always equal to DH False Exp Change in enthalpy is amount of heat evolved or absorbed in a reaction a NaOH is hygroscopic substance slowness in weighing and dissolution in    See Answer
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