2NOCI(g) 2NO(g) + Cl2(g) Substance AG ° (kJ/mol) NOCI(g) 66.3 NO(g) 86.71 Cl2(g) 0.00 Select one: O a. -40.8 kJ O b. -20.4 kJ O c. 20.4 kJ O d. 40.8 kJ

Q: 9. Calculate AH for the following reaction: 2B (s)+ 3,0,(g) → B,0, (s) Use the following reactions…

A: Answer:

Q: Given the thermal chemical reactions below Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) ∆H°= −26.7 kJ…

A: Enthalpy measures  the heat content of a system. If change of enthalpy is positive then the reaction…

Q: Select the exothermic reaction. A) B) C) D) 4CO(g) + Fe;O4(s) 3Fe(s) + 4CO2(s) → AH = +12.5 kJ 4…

A: In exothermic reaction heat is released whereas in endothermic reaction heat is absorbed.

Q: Consider the following chemical reaction: C5H12(l) + O2(g) ------------> CO2(g) + H2O(g) Calculate…

A:

Q: Calculate AH°n for the first reaction shown from the remaining reactions. CS2(e) + 302(g) → CO2(g) +…

A: By rearranging the given equations and adjusting them to get the required equation will lead to…

Q: Use the 2 equations provided below to calculate the delta H of reaction for the formation of solid…

A:

Q: The A H value for the reaction k0,(g) + Hg(1) → HgO(s) is -90.8 kJ. How much heat is released when…

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Q: THERMODYNAMICS: Given the following hypothetical thermochemical equations: 2QJ3 (g) + 3Q2X (g) → 4Q2…

A:

Q: 3.88g of solid ammonium nitrate dissolves in 60.0g of distilled water in a coffee-cup calorimeter.…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Calculate ∆Gº for the reaction, 2SO2(g)+O2(g)→2SO3(g), where ∆Gfº= -300 kJ/mol for SO2(g) and -370…

A: Gibbs Free Energy for a reaction is calculated by subtracting  the Gibbs energy of formation of…

Q: Consider the following chemical reaction: C5H12(l) + O2(g) ------------> CO2(g) + H2O(g) Calculate…

A:

Q: Without doing any calculations, determine the sign of AS for each of the following chemical…

A: If there is more gaseous product than reactant, then ∆Ssys is greater than zero and vice-versa.

Q: Calculate the ΔSsurr in kJ/K for the following reaction at 50°C. 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6…

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Q: Using Hess’s Law, show or describe how the given equations below can be used to calculate the…

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Q: Use Equations a and b to determine ΔH for the following reaction.2CO(g) + 2NO(g) → 2C O 2 (g) + N 2…

A: The main equation or primary equation can be obtained by inverting equation (b) and then adding it…

Q: Without using the value of So, predict the sign for a) 2K(s) + F2(g) → 2KF(g) b) NaClO3(s) → Na+(aq)…

A: Entropy is the measurement of randomness or disorder. As the disorder or randomness increases, the…

Q: A stainless steel lawn mower blade with a mass of 0.950 kg is being forged. During the process, the…

A: Heat released by steel is equal to heat gain by water.

Q: Using values from Appendix C, calculate the value of ∆H for the following reaction: 5.74a CaO(s) +…

A: Given: ∆Hf(CaO(s)) = -635.5 kJ/mol ∆Hf(HCl(g)) = -92.30 kJ/mol ∆Hf(CaCl2(s))= -795.8 kJ/mol…

Q: 7. Determine AH° for the following reaction: 2S(s) + 302(g) ---> 2SO3(g) AH°=? Given: SO2{g) --->…

A: 7) Given, a) SO2(g) ➝ S(s) + O2(g)  ∆H° = +296.8 kJ b) 2SO2(g) + O2(g) ➝ 2SO3(g) ∆H° = -197.8 kJ…

Q: 0 70 Using tabulated thermodynamic data, calculate AG° for these reactions. (a) Mg,N,(s) + 6 H,0(()…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: s reaction endothermic or exothermic? ts) oinnerdtoxca no tobne Additionally, rewrite the…

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Q: For the reaction at constant pressure?: 2 Mg(s) + 02(g) → 2 Mg0(s) AH = - 1204 kJ How many…

A: Given: 2Mg(s)+O2(g)→2MgO(s)    ∆H=-1204kJ To find: kilojoules of heat are released when 40.3g  of…

Q: Calculate ΔSϴ for the reduction of aluminum oxide by hydrogen gas: Al2O3(s) + 3H2(g) → 2Al(s) +…

A:

Q: Cu(s) + 0.5 0; (g) --> CuO (s) DH - -275 kJ CuO(s) + Cu (s) --> Cu,O (s) DH = +64 kJ Calculate DH…

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Q: The value of AH for the reaction below is -482 kJ. Calculate the heat (kJ) released when 52.0 g of…

A: We can calculate the heat released by using stoichiometric calculation. We see from balanced…

Q: When 56.8 g of lead reacts with 3.50 L of oxygen gas, measured at 1.00 atm and 25.0°C, 60.1 kJ of…

A: The enthalpy change of this reaction can be calculated by finding the limiting reactant amobg the…

Q: The overall reaction in a commercial heat pack can be represented as 4 Fe(s) + 302(9) → 2 Fe, O,(s)…

A: Using  basic thermochemistry concept we can solve

Q: 6. A system has constant volume and heat around the system decreases by 1 kJ. Indicate the sign for…

A: Given: The heat of the system is decreased by 1 KJ at constant volume.

Q: Calculate ΔH for the following reaction, CaO(s) + CO2(g) → CaCO3(s) given the thermochemical…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: The overall reaction in a commercial heat pack can be represented as 4 Fe(s) + 302 (9) + 2 Fe, 0,(s)…

A:

Q: For a certain chemical reaction ?H°= -35.4 kJ and ?S°= -85.5 J/K. Is the reaction endo or…

A: in exothermic reaction heat is released from reaction. and in endothermic reaction heat is absorbed…

Q: Given the following data, calculate ΔH for the reaction of two moles of carbon monoxide with oxygen…

A: The indirect calculation of enthalpy change by use of several reactions with known enthalpies is…

Q: Find ?Hrxn for CS2(l) + 2O2(g)→CO2(g) + SO2(g) using the thermodynamic data below C(s) + O2(g) →…

A: From given  The reaction is as follows CS2(l) + 2O2(g)→CO2(g) + SO2(g) we are taking 3 equations as…

Q: Given: 2C(s) + O₂(g) → 2CO(g) ∆H = -218 kJ C(s) + O₂(g) → CO₂(g) ∆H = -393 kJ How much energy is…

A: The given reactions are: 2C(s) + O₂(g) → 2CO(g)           ∆H = -218 kJ  C(s) + O₂(g) → CO₂(g)…

Q: 1. When work is done on the system (+∆G) to bring it into an ordered state (-∆S) which of the…

A: Interpretation: The given question are to be solved.

Q: Be sure to answer all parts. Deterioration of buildings, bridges, and other structures through the…

A: Given Data: *Mass of iron rust formed is 0.250 Kg  or 250 g in (a) part. *Enthalpy of reaction is…

Q: Calculate the AH° for the following reaction using the information below it. C,H¿(2); → CH4(g); →…

A: Given data, C(s)+2H2(g)→CH4(g)           ;∆Ho1=-75kJ2CH4(g)→C2H6(g)+H2(g)     ;∆Ho2=65kJ

Q: For the equation: Na + H20 → NaOH + ½ H2 If 5 grams of sodium is placed into 100 grams of water at…

A: Sodium metal reacts with water to form sodium hydroxide and hydrogen gas. The equation for the…

Q: which of the following is a process with a negative △s? CaCo3---CaO(s) + CO2 (g) H2O (l)----H2O…

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Q: 19.64 g H2SO4 dissociated in 100.0 g of water in a coffee cup calorimeter. The temperature rose from…

A:

Q: 10. Calculate AH for the reaction CH4 (g) + NH3 (g) → HCN (g) + 3 H2 (g), given: a. N2 (g) + 3 H2…

A: Ans  Enthalpy change for the reaction can be calculated by using Hess laws

Q: 3. The AH for N2 + O2 →2 NO is 181 kJ. What is the AH for this reaction? NO 1/2 N2 + 1/2 O2

A: Given information: N2+O2→2NO           ∆H=181 kJ               equation-1

Q: A 251 g piece of lead (SH=0.160 J/g degrees Celsius) with an initial temperature of 90.5 degrees…

A:

Q: How much heat is released at constant pressure if 12.3 mL of 0.161 M silver nitrate is mixed with…

A: Given,  AgNO3(aq) + KCl(aq)  ➝ AgCl(s) + KNO3(aq) ∆H° = -65.5 kJ Here (-) sign indicate the release…

Q: For the reaction: N2(g) + 2O2(g) + 16.2 kJ ➜ 2 NO2(g) As nitrogen reacts with oxygen, the heat of…

A: Nitrogen dioxide = N2O Heat of formation of N2 = 0 kJ Heat of formation of O2 = 0 kJ If heat is…

Q: 18. Use Hess's law to calculate AG°rxn using the following information. CO(g) → C(s) + 1/2 02(g)…

A: Hess's law states that total energy change during course of a reaction is independent of the…

Q: 2. The overall reaction in a commercial heat pack can be represent 4Fe(s) + 30₂ (g) 2Fe₂O3 (s) How…

A: 2) Given, 4Fe(s) + 3O2(g)  ➝  2Fe2O3 ∆H = -1652 kJ moles of Fe2O3 produced = 1.00 mole Amount of…

Q: 12. Copper() oxide can be oxidized to copper(II) oxide: Cu20(s) + % O2(g) →2CuO(s) AH ran = - 146.0…

A:

Q: A hot (158°F) of metal has a mass of 250 g and a specific heat of 0.25 cal/g·C°. John drops the…

A: We have to calculate the equilibrium temperature.

Q: Calculate ΔH for the reaction CuS(s)+ Cu(s)→ Cu2S(s), given the following equations: 2 Cu(s)+ O2(g)→…

A: Interpretation - To determine the ∆H for the reaction CuS(s)+ Cu(s)→ Cu2S(s) by the given data which…