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3 years ago

Identify the acid in the following acid-base reaction

Chemistry

1 answer:

fiasKO [112]3 years ago

7 0

Answer:

In the given reaction HSO4 is acting as an acid.

Explanation:

In the given reaction H2O is the conjugate acid of OH- and HSO4 is the conjugate acid of SO4 2-.

The given reaction is an acid base reaction. HSO4 acts as an acid in this reaction because we all know that the substance that donates H+ ion or proton act as acid and the substance that gain proton or H+ act as base.

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Rina8888 [55]

Answer:

The correct answer is option E.

Explanation:

Structures for the reactants and products are given in an aimage ;

Number of double bonds in oxygen gas molecule = 1

Number of double bonds in nitro dioxide gas molecule = 1

Number of single bond in in nitro dioxide gas molecule = 1

Number of triple bonds in nitrogen gas molecule = 1

$N_2+2O_2\rightarrow 2NO_2,\Delta H=?$

$\Delta H=[2 mol\times \Delta H_{f,NO_2}]-[1 mol\times \Delta H_{f,N_2}-2 mol\times \Delta H_{f,O_2}]$

$\Delta H_{f,NO_2}=33.18 kJ/mol$

$\Delta H_{f,N_2}=0$ (pure element)

$\Delta H_{f,O_2}=0$ (pure element )

$\Delta H=2 mol\times 33.18 kJ/mol=66.36kJ=15.86 kcal$

The enthalpy of the given reaction is 15.86 kcal.

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