15. The enthalpy change for following reaction NaOH (aq) +HCl (aq) -> NaCl (aq) H2O (L) is -57 kJ. Predict value of enthalpy change in following reaction Ba(OH)2 +H2SO4 (aq) -> BaSO4 (S) +2H2O (L)

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Q. The enthalpy change for the following reaction,

N a O H (a q) + H C l (a q) ⟶ N a C l (a q) + H_{2} O (l)

is -57 kJ. Predict the value of the enthalpy change in the following reaction:

B a (O H)_{2} + H_{2} S O_{4} (a q) ⟶ B a S O_{4} (s) + 2 H_{2} O (l)

Enthalpy change for the reaction $H_{(a q)}^{+} + O H_{(a q)}^{-} ⟶ H_{2} O_{(} l) I S - 57.3 k J m o l^{- 1} .$ If 1 L of $0.5 M J N O_{3}$ is mixed with 2L of 0.1 MKOH, the enthalpy change would be

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Q. For a reaction,

H C l (a q) + N a O H (a q) ⇌ N a C l (a q) + H_{2} O (l) G i v e n K_{c} = 0.5, [H C l] = 3 M, [N a O H] = 4 M, [N a C l] = 6 M

Find

Q_{c}

and the direction in which reaction will shift.

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