Complete the table below based on the attached figure (heating curve). Region State(s) present Is the temperature constant? (Y or N) Is there a phase change? (Y or N) A-B B-C C-D D-E E-F
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.
Complete the table below based on the attached figure (heating curve).
Region |
State(s) present |
Is the temperature constant? (Y or N) |
Is there a phase change? (Y or N) |
A-B | |||
B-C | |||
C-D | |||
D-E | |||
E-F |
![200
150
Heating steam
D
Vaporizing water
100
E
50
Heating liquid water
Melting
ice
Heating ice
-50
25
50
75
100
Time (min)
Figure 11.4.3: A Heating Curve for Water. This plot of temperature shows what happens to a 75 g sample of ice initially at 1 atm and -23°C as heat is added at a
constant rate: A-B: heating solid ice; B-C: melting ice; C-D: heating liquid water; D-E: vaporizing water; E-F: heating steam.
Temperature (C)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc57cf8ac-f1ec-4aa7-90d0-f52d22cdda60%2F55584cda-b13c-471e-9538-788390b74a13%2F1byavte_processed.jpeg&w=3840&q=75)
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