5. Consider the combustion reaction of octane (C3H18, mol. wt. = 114.23 g/mol, density = 0.703 g/mL). a. Write out the balanced chemical equation for this reaction. All products are in the gas phase. ege wela ) vlaiosnein wod nia b. Calculate the standard free energy (in kJ/mol) released in this reaction. HA DA dor (oubaurn geivollot orh don c. Making the approximation that gasoline consists of 100% octane, how much energy would 1.00 gallon of gasoline release? (1 quart = 946 mL, 1 gallon = 4 quarts) %3D heHS (x0SES AHP (kJ/mol) SP (J/K mol) Octane(l) -208.4 463.7 H2O(g) -242 189 CO2(g) -393.5 214

Q: Consider the following chemical reaction:   C6H6(l) + O2(g) --------------> CO2(g) + H2O(g)…

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Q: 5. You have a 250. cm³ containing argon at 25.0 °C and 2.85 atm connected to a 150. cm³ flask…

A: Volume of Ar gas = 250 cm3 = 250 mL = 0.25 L, Temperature = 25oC = 298 K, Pressure = 2.85 atm. and…

Q: reaction entropy

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Q: Reaction 1 Reaction 2 Reaction 3 Volume 1.0M NaOH (mL) Mass NaOH 4.0652 100 Mass NaOH 4.0156 (g) (g)…

A: Reaction 1: Given, mass of NaOH (g) is ---- 4.0652g Volume of water is ---100mL Tinitial --- 25.00oC…

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A: In this question, we will see this reaction is spontaneous or not.  You can see details Solution…

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Q: What is the change in entropy (positive, negative, or zero) for the system? H2O (l) --> H2O (s)

A: Entropy is the measure of randomness of the system.

Q: The vaporisation of a certain element at 24.0 oC has the following enthalpy and entropy values:…

A: Given,  Hvap = 3.40 kJ mol-1     Svap = 246 J K-1 mol-1. Temperature = 24.0 °c = 297 K Now, □Stotal…

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Q: Calculate the standard entropy change for the following reaction. 4 Al(s) + 3 02(g) → 2 Al,O3(s) JK!

A: A numerical problem based on entropy change, which is to be accomplished.

Q: which of the following reaction leads to an increase in entropy of the system? a) NH4Cl(s) ->…

A: * Answer : Correct option is which entropy increases __ a) NH4Cl(s) -----> HCl(g) + NH3(g)   *…

Q: onsider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A: Solution- 2NaOH (aq)+ H2O(g)  →2Na(s)+H2O(l)∆Ho= 368.6 kJ ∆S° = 15.30 J/K at 298.15 K.(1). NaOH…

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Q: Calculate how entropy of 100 g of water changes when it is heated(under reversible conditions)from…

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Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

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Q: Consider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

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Q: A cup of hot water is left to cool in a room at 20 °C. If the cup contains 400 g of water initially…

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