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Whenever an acid is neutralized by a bas...

Whenever an acid is neutralized by a base, the net reaction is
`H^(o+) (aq) + bar(O)H(aq) to H_(2)O(l) (l) , Delta H = -57.1 kJ`.
Calculate the heat evolved for the following experiment?
100 mL of 0.2 M HCl is mixed with 100 mL of 0.3 M NaOH solution.

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To solve the problem of calculating the heat evolved when 100 mL of 0.2 M HCl is mixed with 100 mL of 0.3 M NaOH, we can follow these steps: ### Step 1: Calculate the moles of HCl and NaOH First, we need to calculate the number of moles of HCl and NaOH present in the solutions. - For HCl: \[ \text{Moles of HCl} = \text{Molarity} \times \text{Volume (in L)} ...
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