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.
You have an empty 2.00L soda bottle and a 50.0 g block of solid CO2. (Question cont. in photo) Please show all work!
![You have an empty 2.00 L soda bottle and a 50.0 g block of solid CO2. Suppose you
place the block of CO, into the bottle then seal the bottle immediately. Calculate the
pressure exerted by the CO2 on the bottle after all of the CO2 has sublimated (turned
from solid into gas) if room temperature is 25°C. (P.S. Please don't try this!)
R=0.0821 (atm*L) / (mol*K) or 8.314 (kPa*L / mol*K) or 62.36 (torr*L/mol*K)
Pressure conversions: 760 mmHg = I atm = 760 torr = I.01325 x 105 Pa](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f54db3b-bb2d-436b-bd69-01534e4ac2c9%2F704d74db-e7e6-4eb8-9261-b73a204333f9%2Fcz4oj6_processed.jpeg&w=3840&q=75)
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