- 5.7 Apply Hess law - Using for the Standard heats of formation, calculate the standard Enthalpy Change following reaction, NH₂ Cl(aq) → NH₂ (g) + HCl(aq) 1hJ

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter15: Energy And Chemical Change
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* Ch. 5 sec. 7
- 5.7 Apply Hess law
-Using Standard heats
the standard Enthalpy
following reaction.
NH,
=
heats of formation, calculate
for the
Enthalpy Change
Cl(aq) → NH₂ (g) + HCl(aq)
13
Answer
0
TH
nJ1
D
Transcribed Image Text:* Ch. 5 sec. 7 - 5.7 Apply Hess law -Using Standard heats the standard Enthalpy following reaction. NH, = heats of formation, calculate for the Enthalpy Change Cl(aq) → NH₂ (g) + HCl(aq) 13 Answer 0 TH nJ1 D
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Im just wondering from Where did  you got the numbers of -299.7 kj/mol

-46.1 and -167.2

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