Consider the following reaction, with the table of values provided. Calculate the ΔSº of the reaction in J/mol-K. Express your answer in three significant figures. Do not include the unit in your answer.

Q: Explain how ΔH, heat of reaction is a state function

A: ∆H, heat of reaction is a state function.

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Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 274. kJ during a…

A: Given:For the given chemical change:Calculate enthalpy change .The change in enthalpy during a…

Q: Given these reactions, X(s)+1/2O2(g)⟶XO(s)                 Δ?=−887.7kJ/mol XCO3(s)⟶XO(s)+CO2(g)…

A: X(s)+1/2O2(g)    ⟶    XO(s)                                          ΔH1=−887.7kJ/mol…

Q: Solid lithium perchlorate dissolves in water according to the equation below. LiClO4 (s) ➝ Li+ (aq)…

A: Given: mass of  LiClO4 = 7.00 g mass of water = 40.0 g Initial temperature of water = 29.00 ºC…

Q: The addition of  1.270 g of zinc metal (65.38 g/mol) to 0.100 L of  0.1942  M HCl in a coffee-cup…

A: We first need to decide on the limiting reagent, and then we can proceed to solve the reaction- The…

Q: Use the following reactions to calculate the unknown ΔH. Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2 (g)…

A: Answer - The correct option is -(a)   = -792.3

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Q: Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s) +…

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Q: 4. How much work is done by or on the system (state which), in kcal, in a reaction if the internal…

A: To calculate the work done by or on the system , we would Calculate value and sign of w using first…

Q: A system does 521 kJ of work and loses 216 kJ of heat to the surroundings. What is the change in…

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Q: Need solution to all parts urgently I'll surely upvote for correct ans otherwise dislike provide an…

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Q: In the copper thermite reaction copper(II) oxide reacts with aluminum as follows: 3 CuO (s) + 2 Al…

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Q: In a constant‑pressure calorimeter, 70.0 mL of 0.350 M Ba(OH)2 was added to 70.0 mL of 0.700 M HCl.…

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Q: When a 3.76 g sample of solid ammonium nitrate dissolves in 60.0 g of water in a Styrofoam-cup…

A: Interpretation-  To determine  ΔH (in kJ/mol NH4NO3) for the solution when 3.76 g sample of solid…

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 69 J…

A: Given data,Step 1:Heat(Q)=69JWork(w)=-34J(-ve sign represent work is done on the system)Step…

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Q: Acetic acid (HC2H3O2) can be neutralized with sodium hydroxide, as you saw in laboratory 4. The…

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Q: A system undergoes a process consisting of the following two steps:Step 1:The system absorbs 72 J of…

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Q: Find the ΔH (in kilojoules) for the reaction below, given the following reactions and subsequent ΔH…

A: Known 3 C (s) + 4H2 (g) → C3H8 (g)   .........(1)            ΔH = - 118.2 kJ C (s) + O2 (g)   →CO2…

Q: = or endothermic?

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Q: Temperature of cold water (°C) Temperature of hot water (°C) Volume of cold water (mL) Volume of hot…

A: Volume of cold water= 99.0 mL  Temperature of cold water= 2.0°C  Volume of hot water = 94.5 mL…

Q: When 2.25 g of sodium hydroxide (NaOH) was dissolved in 100.00 g of water a value of 10.00oC was…

A: The heat of the solution produced when 2.25 g of sodium hydroxide is dissolved in 100 g of water, is…

Q: 1. During an experiment, a student added 35 J of heat to a system. At the same time, the environment…

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Q: What is enthalpy, and what is ΔH for a reaction, and what does it mean if ΔH is positive or…

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Q: . The enthalpy change for the reaction: H+(aq) + OH-(aq) → H2O (l) ΔH rxn =-57.6 kJ/mol. If 161.4 mL…

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Q: When 2.89 g of AX (s) dissolves in 125.3 g of water in a coffee-cup calorimeter the temperature…

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Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 75 J…

A: The process happening on the system is of two steps given as, Step 1: The system absorbs 75 J of…

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 71 J…

A: