Select all statements that apply to constant pressure calorimetry. A coffee cup calorimeter is used. A bomb calorimeter is used. The system is the reaction or process. The system is the water plus the calorimeter. The surroundings include the reaction or process only. The surroundings include the water plus the calorimeter. The temperature of the water will always increase. The temperature of the water will always decrease. The temperature of the water could increase or decrease. It is used to measure heat of combustion. It is used to measure heat of solution or reaction.
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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Select all statements that apply to constant pressure calorimetry.
A coffee cup calorimeter is used.
A bomb calorimeter is used.
The system is the reaction or process.
The system is the water plus the calorimeter.
The surroundings include the reaction or process only.
The surroundings include the water plus the calorimeter.
The temperature of the water will always increase.
The temperature of the water will always decrease.
The temperature of the water could increase or decrease.
It is used to measure heat of combustion.
It is used to measure heat of solution or reaction.
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