▼ Part A The C-H bond in CH4. Express your answers in kilojoules per mole to three significant figures separated by a comma. 195] ΑΣΦ Bond enthalpy, bond energy = Submit Request Answer Part B Bond enthalpy, bond energy- The C-C single bond in C3H6 (cyclopropane) (use C-H bond enthalpy and bond energy calculated for CH₂). Express your answers in kilojoules per mole to three significant figures separated by a comma. 195] ΑΣΦ Submit Request Answer Part C ? Bond enthalpy, bond energy- ? kJ-mol-1 ? The CC double bond in C₂H₁ (use C-H bond enthalpy and bond energy calculated for CH₂). Express your answers in kilojoules per mole to three significant figures separated by a comma. 195] ΑΣΦΑ kJ-mol-1 kJ mol
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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