CH16 (1) + 11 02 (e) → 7 CO2 (e) + 8 H20 (g) If 1.0010 mol of CO2 is formed, how many g of C7H16 reacted? Write out the problem on paper showing all conversion factors, unit cancellations, calculations, s.f., etc. Answer the questions related to the setup and calculation for this problem. Be sure to use our periodic table to calculate any molar masses needed (rounded to proper number of decimal places), otherwise your values might be slightly off and answers may be marked as incorrect. Abbreviate units as follows: grams = g. moles = mol. Use the three blanks to enter the number, unit, and substance (in this order) that appears in the denominator of the stoichiometry conversion factor. For the molar mass needed in this problem, use the two blanks to enter the value (rounded to proper dec places) and substance (in this order). g/mol Use the three blanks to enter the number, unit, and substance (in this order) that appears in the denominator of the molar mass conversion factor. Calculate the answer and use the three blanks to report with value (decimal notation, including proper s.f.), units, and substance (in this order).
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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