ILS/271550/vanants/ 27 1550/ takC/ SHORT ANSWER Question 2 In a balanced equation, the same number of each kind of atom is shown on each side of the equation. Calculate the number of iron (Fe), oxygen (O), and carbon atoms (C) in the equation. Fe 0, +3CO→ 2Fe+ 3CO, Reactants iron охygen carbon Products iron охудen carbon Based on these values, is the equation balanced? Answer in a complete sentence.
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.
Molecular formula :-
The formula which represent the actual number of atoms of different elements present in one molecule of the compound is called molecular formula .
In a molecular formula , the subscripts of symbol of atom represent the number of atoms of that element present in the molecule .
For example :
H2O has 2 H-atoms and 1 O-atom
2H2O has 2×2 = 4 H-atoms and 2×1 = 2 O-atoms
3H2O has 3×2 = 6 H-atoms and 3×1 = 3 O-atoms
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