Which has the smallest ∆S and why ? A) Ca(NO3)2 (aq) + 2 KOH (aq) —> 2 KNO3 (aq) + Ca(OH)2 B) 2Na (s) + Mg(NO3)2 —> Mg (s) + 2 NaNO3 (aq) C) (NH4)2Cr2O7 (s) —> Cr2O3 (s) + 4 H2O (g) + N2 (g)
Q: 6) What are signs on AH, AS and AG for ice melting at room temperature? You should not do a…
A:
Q: 2. In the concept of the system exchange, which of the following will exhibit mass and energy…
A: The regions of interest in which the reaction are taking place are considered as the system whereas…
Q: Choose the correct K expression for silver carbonate. Select an answer and submit. For keyboard…
A: In general , a salt of type AxBy which dissociates as, AxBy ---->…
Q: Calculate AH° for 1 mole of substance A using the information provided below. AHrxn° 2 A + B - 3 C +…
A: Given ΔHrxn = -890.36 kJ ΔHf° (C) -393.5 kJ/mol ΔHf° (D)= -285.8 kJ/mol Since B is in elemental…
Q: 1) Discuss the factors affecting the sign of AG in the relationship AG= AH - TAS. Give examples for…
A: Gibb's free energy of the system (G) is a thermodynamic property which is a state function. The…
Q: Calculate AG° for the reaction shown below using the provided thermodynamic properties information.…
A: Gibbs energy chane (∆G°) of a reaction is given by the relation ∆G° = ∆H° - T∆S° ∆H° = enthalpy…
Q: Calculate AG° for the following reaction, using the provided information. 2 CoН6) + 15 02(9) — 12…
A: The balanced reaction given is, The data given for the standard formation free energies are,
Q: Use the values of AH£° to calculate AH° for the following reactions. Substance and State AHf °…
A: Enthalpy change of reaction is the difference between total enthalpy of formation of products and…
Q: What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g)) = -50.790 kJ/mol,…
A:
Q: What is the number of possible electron configurations (microstates) for oxygen [He]2s22p4 that will…
A: Number of possible electronic configuration for a particular atom means the number of possible…
Q: Given the following data: 2H2 (g) + C(s) → CH, (9) A G° = -51 kJ 2H2 (9) + O2 (9) → 2H2O(1) A G° =…
A: Given data Reaction(1) : 2 H2 (g) + C (s) → CH4 (g) ∆G1°=-51 KJReaction(2) : 2 H2…
Q: Question 4 of 4 Use the table below to determine the AG,an for the following reaction at 39°C. N2(8)…
A:
Q: Calculate ΔG^0 (in kJ/mol) given ΔG= -833.7 kJ/mol and R= 0.008314 kJ/mol K and T= 261.5 K and…
A:
Q: What is the AS° of the reaction based on the following standard entropies: Al(s) + 3HC((1) →AICI3(s)…
A:
Q: Would [H+} be the same as Ka in this case?
A: To calculate the [H+] , we use the following relation: pH = - log[H+] or, [H+] = 10-pH
Q: Determine AG° for the phase change CO2(g)→ CO2(aq) at 25°C. AH° = -19.4 kJ/mol %3D AS° = +92.3…
A:
Q: What happens to the expression FeSCN2+ (aq) Fe3+ (aq) + SCN-(aq) when NaSCN is added? wil it favor…
A: According to La-Chatelier principal for an equilibrium reaction if some factors( like…
Q: PART 2. DETERMINATION OF THE CONCENTRATION OF A STRONG ACID SOLUTION EXPERIMENTAL DATA…
A:
Q: 3. Without doing any calculations, determine the sign of ASuniverse for each chemical reaction: a)…
A: According to second law of thermodynamics:- Entropy of universe always increases i.e. ∆Suni > 0…
Q: るH219)さN2(g) >2Hg( Heat How is equilibnum affecteedby an creasein Rssue けでうow A) cannot be…
A:
Q: Which of these processes requires the most energy? (A) F–(g) --> F(g) + e– ;…
A: To Determine the process that requires the most energy. (A) F–(g) --> F(g) + e– ; (B)…
Q: 11) Calculate AD 9s for the following change: SnCl, (1) S° J mol K-1) SnCl(g) SnCla(1) SnCl, (g) >…
A:
Q: 5. b) Predict and briefly explain the sign of AS for each of the following processes. (Don't write…
A: 5. b) Entropy is a degree of disorderness. i ) ΔS = - ve No.of moles of gas on…
Q: 6. Calculate the standard free-energy change for the following reaction at 25 °C. CH.(g) + 202(g)…
A: Change in Gibbs free energy of a reaction
Q: 15 Calculate ΔGrxn in (kJ/mol) for the reaction for which ΔHrxn=-26.1kJ/mol ; ΔS=3.89J/molK at…
A: Gibb's Free energy isbthe change of free energy during a reaction. It can be positive negative or…
Q: Using the information below, calculate A Hf for PbO( s) PbO( s) + CO( g) → Pb( s) + CO 2( g) AHf for…
A: Given reaction PbO(s) + CO(g) → Pb(s) + CO2(g) : ∆H° = -131.4 kj / mol For reaction ∆H° =…
Q: Predict the sign of ASrxn for each of the following. Briefly explain your reasoning a. 5 CO(g)…
A: For any reaction in which the number of gaseous moles is more in reactant side compared to product…
Q: Would you expect O₂(g)→2O(g)to have a positive or a negative Hᵣₓₙ ? Explain
A: Endothermic reaction:
Q: H3O+] [OH-] Acidic, Basic or Neutral a 6.0 M WORK: b 3.2 x 10-4 M WORK: c 9.2…
A:
Q: Multiple hoice: 1. The correct coefficient for the equation KCLO3 --> KCL +02 A. 2,2,3 B. 2,3,2 C.…
A: Q1. Option A; (2,2,3). Q2. Option A; (2,1,1,2).
Q: 55. Use data from Appendix IIB to calculate ASn for each of the reactions. In each case, try to…
A: compound S0 (J/K mol) CH4 (g) 186 O2 (g) 205 CO2 (g) 214…
Q: 4. Determine AS for H2(g) + I,(g) 5 2HI(g) given the following information: Substance S° (J/mol · K)…
A: Given: The reaction is as follows: H2(g)+I2(g)<-------->2HI(g).
Q: Given the following information, SO3 (g) + H2O(1) → H2SO4 (1) AH = -133 kJ %3D Pb(s) + PbO2 (s) +…
A:
Q: ΔΗ >0 AH2<0 H AHrxn H H† H- CI Therefore, AHrxn = [D(C-H) + D(CI–CI) – [D(C–CI) + D(H–CI) %3D [(413…
A:
Q: 17. Using the data below, calculate AH; (at 298K) in KJ/mol for the reaction below: SBr4(g) G=77.5…
A: as per Q&A guidelines of portal I solve first question because it comes under multiple question…
Q: For the following example, identify the following. H20(1) - H2O(s) OA negative AH and a negative AS…
A: Given process: H2O(l) → H2O(s) We have to find the signs of ∆H and ∆S for this process.
Q: 7 Calculate ASº for each of the following reactions at 25° C given the following Thermodynamic…
A: We have given the standard enthalpies for the compound. And the standard enthalpy for given reaction…
Q: Calculate ΔrH° for the combustion of methane gas, CH4 : CH4(g) + 2 O2(g) → CO2(g) + 2…
A: The standard enthalpy change for the formation of one mole of a compound from its elements in their…
Q: Vhat is the standard free-energy change, AGº, for the following reaction at 44.5 °C? N2(g) + 3H2(g)…
A: For any reaction, the standard free energy change is given by ΔG0 = ΔH0 - TΔS0 And since the ΔH0…
Q: 2) Determine the Sign of Ds for each of the following reactions a) CH₂(g) + 20₂(g) → 2H₂0(1) +…
A:
Q: Find the enthapy change for the reaction below in kJ . 4NH3(g) + 5O2(g) -->…
A: The given chemical reaction is 4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(g) so we’re going to determine…
Q: Using Hess's law, what is AHf rxn for the following reaction? NO(G) + O(9) → NO2(9) NO(g) + O3(9) –…
A:
Q: 2A1 + Fe,O, → 2Fe + Al,O, AH =-845kJ 3 a) 50.0g Al x 1 mol Al 26.98g Al -845 k.J X 1 mol Al =…
A: Given reaction : 2 Al + Fe2O3 → 2 Fe + Al2O3 ∆H = -845 kJ Molar Mass of Al =…
Q: a. Calculate AH° , ASº and AGº at 25°C for this reaction. AH° r (kJ/mol) AS° (J/mol-K) CS2 (g) 116.9…
A: By the help of dG = dH -TdS Here dG is a gibbs free energy change which represent free energy which…
Q: What is the significance of the sign of ΔHºrxn?
A: The ΔHºrxn is called the enthalpy of the reaction, or the heat of the reaction. The enthalpy is…
Q: What is the standard free-energy change, AGº, for the following reaction at 54.4 °C? N(g) + 3H>(g) →…
A: Step 1) Standard free energy: The standard free energy or Gibbs free energy is defined as the energy…
Q: Calculate AG° for the reaction shown below using the provided chermodynamic properties information.…
A: From given data, first calculate ∆H°. And ∆S°
Q: Traduction: Given the reaction: determine the entalpy change for the next ecuation: 8. Dada la…
A:
Q: C2H60 (1) + 3 02 (g) -> 2 CO2 (g) + 3 H2O (g) Calculate the AH in kJ for the combustion of ethanol…
A: ΔHrxn is calculated by substraction of total bond energy of reactant and total bond energy of…
Q: explain how a reaction can have a decrease in entropy but still be spontaneous.
A: Given statement is : Explain how a reaction can have a decrease in entropy but still be spontaneous…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- Calculate AHrxn for the following reaction: 5C(s) + 6H2 (g) > С;Н12 (1) Use the following reactions and given AH values: C; H12 (1) + 802 (g) → 5CO2 (g) + 6H2O(g), C(s) + O2 (g) → CO2(g), 2H2 (в) + О-(g) — 2H20(g), ΔΗ -3244.8 kJ ΔΗ -393.5 kJ ΔΗ -483.5 kJ Express your answer to four significant figures in kilojoules.Calculate AH for the reaction, N2H4(1) + O2(g) -----> N2(g) + 2H2O(1), from the following data: 2NH3(g) = 3N20(g) -----> 4N2(g) + 3H2O(1) N20(g) = 3H2(g) 2NH3(g0 + 1/2O2(g) -----> N2H4(1) + H2O(1) H2(g) + 1/2O2(g) AH = -1010 KJ -----> N2H4(1) + H2O(1) AH = -317 KJ AH = -143 KJ %3D -----> H2O(1) AH = -286 KJN2(g) deltaH(kj/mol)=0, deltaG(kj/mol)=0, S(J/mol K)=1891.6 H2(g) deltaH=0, deltaG=0, S=130.7 NH3(g) deltaH=-46.1, deltaG=-16.5, S=192.5
- будо (H) Ӧ. COOH (1) SOCl2 (2) NaN3, -20°С (3) PhH, 80ºc (4) HCl, H2O, 100°С н но д OH73. Given the following data Ca(s) + 2C(graphite) Ca(s) + ¿O,(g) CaO(s) + H,O(1) C,H,(2) + 0,(g) Clgraphite) + O,(g) CaC,(s) ΔΗ--62.8 k → CaO(s) AH = -635.5 kJ Ca(OH), (aq) AH = -653.1 kJ 2CO,(g) + H,O(1) AH = -1300. kJ CO,(g) AH = -393.5 kJ calculate AH the reaction CaC,(s) + 2H,O(1) → Ca(OH),(aq) + C,H¿(g) IS ONIA1. Calculate the AS of the given reaction. H2 (9) + H2 (9) H2O (g. O2 (g) 305.0 O2 (9) → H2O () Substance 287.6 230.5 S' (J/ mol.K) www
- Given that at 25.0 °C ● Ka for HCN is 4.9 × 10-¹0 and Kh for NH3 is 1.8 × 10-5, calculate ● Kb for CN and Ka for NH4+. Enter the K₁ value for CN- followed by the K₂ value for NH4+, separated by a comma, using two significant figures. ► View Available Hint(s) VE ΑΣΦ Submit ??CaSO4+AlCl3→CaCl2+Al2(SO4)3 Whats ?Nernst equation for pair H3ASO4|HASO2: E = E° + -In- nF RT a(H,AsO,)a²(H*) a(HASO,) RT a(H,AsO,)a(H*) E=E° + -Ig nF a(HASO,) Inª(H3A$O,)a²(H*) a(НASO,) RT E =E° nF RT a(H,AsO,) -lg nF E = E° + a(HASO,)O Discuss the factors affecting the sign of AG in the relationship AG= AH - TAS. Give examples for each of the situations,12. The combustion of what volume of ethanol, measured at 23°C and 765 mm Hg, would be required to heat 1727 g of water from 25°℃ to 78°C? (AH data table provided in anwer key) C₂H5OH (1) + 3 02 (8) → 2 CO2 (g) + 3 H₂O (1)SEE MORE QUESTIONS