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Match the following : ....

Match the following :
.

A

`"Reaction "Delta_(r)H("kJ"//"mol")`
`HA(aq)+BOH(aq)rarrBA(aq)+H_(2)O" "-42.3`

B

`"Reaction "Delta_(r)H("kJ"//"mol")`
`HA(g)+BOH(aq)rarrBA(aq)+H_(2)O" "-93`

C

`"Reaction "Delta_(r)H("kJ"//"mol")`
`HA(g)rarrH^(+)(aq)+A^(-)(aq)" "-55.7`

D

`"Reaction "Delta_(r)H("kJ"//"mol")`
`B^(+)(aq)+OH^(-)(aq)rarrBOH(aq)" "-20`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
`(a) Delta_(r )H=15 + 0 -57.3 =-42.3 " kJ"`
`HA(g) + BOH (g) overset(Delta_(r )H)rarrBA(aq)+H_(2)O`

`Delta_(r)H=-70.7+15=-55.7`
`(d) B^(+)(aq)+OH^(-)(aq)rarrBOH(aq)`
`Delta_(r )H=0`
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