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It is observed that when acid and bases ...

It is observed that when acid and bases react, some energy is released due to neutralization reaction. While in case of strong acid and bases, the energy released in greater, in case of weaker acids of bases, energy released will be lesser. The difference is attributed to energy required for ionization. From the above information and data below answer the questions that follow:
`Delta H_("neutrization SA/SB") `=-57.5 kJ/equivalent,
`DeltaH_("ionization") of NH_(4)OH`=10kJ/mole,
`DeltaH_("ionization") " of " H_(2)C_(2)O_(4)`=20kJ/ mole.
What will be the energy released when 500ml of0.1 M `H_(2)SO_(4)` solution reacts with 1L of 0.1 M `NH_(4)OH` solutioni if the base is 30% ionized in the given solution?

A

5.75kJ

B

4.75kJ

C

5.05kJ

D

5.45kJ

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The correct Answer is:
c
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It is observed that when acid and bases react, some energy is released due to neutralization reaction. While in case of strong acid and bases, the energy released in greater, in case of weaker acids of bases, energy released will be lesser. The difference is attributed to energy required for ionization. From the above information and data below answer the questions that follow: Delta H_("neutrization SA/SB") =-57.5 kJ/equivalent, DeltaH_("ionization") of NH_(4)OH =10kJ/mole, DeltaH_("ionization") " of " H_(2)C_(2)O_(4) =20kJ/ mole. What will be DeltaH_("neutralization") " of " H_(2)C_(2)O_(4) with NaOH per mole of H_(2)C_(2)O_(4) if acid is assumed to be completely unionized in the following?

It is observed that when acid and bases react, some energy is released due to neutralization reaction. While in case of strong acid and bases, the energy released in greater, in case of weaker acids of bases, energy released will be lesser. The difference is attributed to energy required for ionization. From the above information and data below answer the questions that follow: Delta H_("neutrization SA/SB") =-57.5 kJ/equivalent, DeltaH_("ionization") of NH_(4)OH =10kJ/mole, DeltaH_("ionization") " of " H_(2)C_(2)O_(4) =20kJ/ mole. What will be final temperature attained if all the heat release in neutralization of 1 L of 0.2 M NH_(4)OH with 2 L of 0.1 M HCl increase the temperature of the final solution having density 0.95gm/ ml and specific heat capacity= (1)/(3) J//gm^(@)"C" if original temperature was 27^(@)"C" ? Assume weak base to be completely unionized.

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