6. 7. 8. OH Naon CO2 H30+ Воз, ревоз Br2, Sa, tel 4 ΟΥ Fe, Hel, 4 HNO2, H₂SO4 Curl A S03, W₂504 NO. 2504 ST CLA OH -COOH 'Br $03H S fe Hcl, 4 HN02 W250g 8HF4,4
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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Q
W
Q. No. II). Continued
6.
7.
8.
9.
10.
OH
Y
NaoN
U
CO2
H30
Воз, ревоз
I
Sa tel 4
ΟΥ
Fe, Hel, 4
HNO2, H₂SO4
Gul A
503, 1₂504
HNO 12504
Sn४Cl
4
Fe HCL 4
HNO3 H2S04
HNO3, H2504
Fe YCL
QY
5 HCL 4
O
(CH3CO) ₂0
5
OH
SO3H
a
A1F13
HNO3, H2564
22
2n (Hg) HCL 4
OY
Иванка кон д
NO2
P
-COOH
BHF4,4
[
NHCOCH3
]
return
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