Consider a hypothetical chemical reaction: A + B → C where A and B are reactants and C is the desired product. The reaction is known to be exothermic and occurs at high temperatures. However, in practice, the reaction does not proceed efficiently, and a significant amount of A and B remain unreacted. Provide a theoretical explanation for the inefficiency of the reaction and propose a strategy to enhance the reaction yield

Ethylene (C2H4) plays an important role in the ripening of certain fruits and vegetables. It is sometimes supplemented under controlled conditions at produce—processing facilities but is also produced naturally by many fruit-bearing plants.  Although the actual process by which plants produce ethylene is a complex one, imagine that it is produced by the simple breakdown of glucose according to the equation: C6H12O6 (s)  à 3 C2H4 (g) + 3 O2 (g)   Given S°= 212.1 J/molK, DG°= -910.56 kJ/mol and DH°= -1274.5 kJ/mol for C6H12O6 (s).   a.) Determine the sign of DS° for the reaction. b.) Calculate DS° for the reaction. c.) Using the tabulated DG° values in the appendix, calculate DG° for the reaction. d.) Above what temperature (in °C) is the reaction spontaneous? Hint: you will first have to calculate DH° using tabulated values.

When potassium chloride reacts with oxygen under the right conditions, potassium chlorate is formed: 2 KCl +3 02 → 2 KC103 39 kJ/mol 78 kJ/mol O O-78 kJ/mol -39 kJ/mol G

What is AS for the combustion of propane? C3H8(g) +502(g) → 3CO2(g) + 4H₂O(g) Substance C3H8(g) O2(g) CO2(g) H₂O(g) S(J/K mol) 269.9 205.0 213.6 188.7

Be sure to answer all parts. Balance the following gas-phase reaction and write its reaction quotient, Q (0+ON(o+oN Include the physical states of all reactants and products in your balanced equation. Q=

A student makes the following statement: The energy required to break the bonds in the reactants is less than the energy released in the formation of the bonds of the products. Do you agree or disagree with this statement?

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What is AG rxn for the following reaction? 3NO2(g) + H₂O() → 2HNO3() + NO(g) Substance AGf (kJ/mol) H₂O(1) HNO3(1) NO(g) NO2(g) -237.2 -79.9 86.7 51.8

Heat of Neutralization Initial temp of HCI solution Initial temp of NaOH solution Average initial temperature Final temp of neutralized mixture Change in temperature QH₂0 for the reaction (get mass using 50.0 mL solution and d= 1.02 g/mL) AHSolution (eqn 4) AH per mole istem brs 1915w to studseqmet munditiup3 25.9°C 24.9 °C 25.4 °C (E 360 m °C to on aitoaga 10.6 °C 2289.708 1 -2259.708 1 kJ/mol

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