* Adding 4.379 of NH₁ NO 3 (S) +0 13 Og of water in a coffee -cup Calorimetry (with stirring to dissolve resulted the salt) in a decrease in temperature from 17.1°C 10 14,9 °C. Calculate the enthalry. Change for dissolving NHM NO₂ (s) in water in kJ/mol. Assume the solution (whose mass is 134. 4g) has a specific heat capacity of 4.25/gk. (cold packs take advantages of the fact that dissolving ammonium nitrate is an endothermic Process). of ammonium A col Pack uses the endothermic enthalpy of a solution Enthalpy Change in water nitrate. jkJ/mol " v.k

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*Ch.5 sect. 6 ~
* Adding 4.379 of
the Salt
NH₁ NO 3 (S) +0 130g of water in a coffee-cup
Calorimetry (with stirring to dissolve
resulted
17.1°C 10
in
a decrease in temperature from
14,9 °C
Calculate the enthalry
Change for dissolving NH₂ NO₂ (s) in water
in K5/mol. Assume the solution (whose mass
134. 4g) has a specific heat capacity of
is
4.23/g.k
(cold packs take advantages of the
nitrate
fact that dissolving
is
ammonium
an endothermic Process)
Enthalpy Change
alt)
A col pack uses the endothermic of a
solution
of ammonium
nitrate.
=
- KJ/mol
in water
enthalpy
6
I
v.k
Transcribed Image Text:*Ch.5 sect. 6 ~ * Adding 4.379 of the Salt NH₁ NO 3 (S) +0 130g of water in a coffee-cup Calorimetry (with stirring to dissolve resulted 17.1°C 10 in a decrease in temperature from 14,9 °C Calculate the enthalry Change for dissolving NH₂ NO₂ (s) in water in K5/mol. Assume the solution (whose mass 134. 4g) has a specific heat capacity of is 4.23/g.k (cold packs take advantages of the nitrate fact that dissolving is ammonium an endothermic Process) Enthalpy Change alt) A col pack uses the endothermic of a solution of ammonium nitrate. = - KJ/mol in water enthalpy 6 I v.k
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