5.64 From the enthalpies of reaction 2 C(s) + O2(8) –→ 2 CO(g) 2 C(s) + O2(8) + 4 H2(8) → 2 CH;OH(g) AH = -402.4 kJ AH = -221.0kJ - %3D calculate AH for the reaction CO(8) + 2 H2(g) → CH;OH(g) 5.65 From the enthalpies of reaction
Atmospheric Pollution
In the atmosphere, the existence of large quantities of undesirable substances that could cause several health issues to living organisms and humans is atmospheric pollution. Air pollution is otherwise known to be atmospheric pollution. The presence of undesirable materials would also destruct the natural environment such as a change in climate, degradation of habitat, or depletion of ozone. Air pollution is generated by the natural processes and activities of humans.
Smokestack Scrubbers
Once we believe in the environment and remember the pollution-producing facets of it, we will consider the smoke-stacks scrubber to be a number of the worst offenders. Although this is often legally correct, smoke-stack scrubbers often have a big function in terms of keeping ground-level air pollutants- safe to breathe and assisting within the management of emissions.
![5.63 Calculate the enthalpy change for the reaction
(b) Construct an enthalpy diagram for substances A, B,and
for the
2 N2(g) + O2(g) AH = -163.2 k)
(а,
reaction A
f
C. and show how Hess's law applies,
PĄO10(s)
PĄO6(s) + 2 O2(g)
given the following enthalpies of reaction:
P4(s) + 3 O2(g)
P,O6(s) AH = -1640.1k].
P2O10(s) AH = -2940.1 k]
P4(s) + 5 O2(8)
5.64 From the enthalpies of reaction
2 C(s) + O2(8)
2 CO(8)
AH = -221.0 kJ
2 CH3OH(g) AH = -402.4kJ
2 C(s) + O2(8) + 4 H2(8)
calculate AH for the reaction
CO(g) + 2 H2(g)
CH3OH(g)
5.65 From the enthalpies of reaction
H2(8) + F2(g)
2 HF(8)
AH = -537 kJ
>
C(s) + 2 F>(8)
2 C(s) + 2 H2(8)
CF4(8)
AH = -680 kJ
C2H4(8)
ΔΗ
+52.3 kJ
-
calculate AH for the reaction of ethylene with F2:
C2H4(8) + 6 F2(8) 2 CF4(8) + 4 HF(8)
>
5.66 Given the data
N2(8) + O2(8)
2 NO(8)
>
AH= +180.7 kJ
2 NO(8) + O2(8)
2 NO2(8)
>
AH = -113.1k]
2 N20(8)
use Hess's law to calculate AH for the reaction
N20(8) + NO2(8) ·
Enthalpies of
3 NO(8)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8b12e99-3494-43a2-b9ed-aa44bd853379%2Fb2ae45c6-d195-480d-94ba-d2dbbbd76850%2Fam3zv1_processed.jpeg&w=3840&q=75)
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