Answer to Question #103672 in General Chemistry for wyeth

Question

Calculate the standard enthalpy change for the reaction at
25

∘
C. Standard enthalpy of formation values can be found in this list of thermodynamic properties.

Mg
(
OH
)
2
(
s
)
+
2
HCl
(
g
)
⟶
MgCl
2
(
s
)
+
2
H
2
O
(
g
)

Answer 1

∆H=(H(MgCl) + H(H2O)) - (H(Mg(OH)2+2H(HCl))