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2. Re-arrange as appropriate and combine the first two equations to get the third equation and...
Thermochemistry 2. Re-arrange as appropriate and combine the first two equations to get the third equation...
Thermochemistry
2. Re-arrange as appropriate and combine the first two equations to get the third equation and determine the heat of reaction. Show your workings clearly.(4 pts) AH -44.0 kJ/mol NAOH(s) Na(aq) + OH-(aq) NaOH(s)+ H'(aq) + Cl (aq) H2O() + Na (aq) + Cr(aq) AH=-100.1 kJ/mol H2O()+ Na (aq) + Cl(aq) AH°=? Na (aq)+OH (aq) + H*(aq) + Cl'(aq)
Combine 2 equations to obtain the third reaction equation
Reaction 1: Solid sodium hydroxide dissolves in water to form an aqueous solution of ions.NaOH(s) → Na+(aq) + OH–(aq) ΔH1 = ? Reaction 2: Solid sodium hydroxide reacts with aqueous hydrochloric acid to form water and an aqueous solution of sodium chloride.NaOH(s) + H+(aq) + Cl–(aq) → H2O(l) + Na+(aq) + Cl–(aq) ΔH2 = ? Reaction 3: Solutions of aqueous sodium hydroxide and hydrochloric acid react to form water and aqueous sodium chloride.Na+(aq) + OH–(aq) + H+(aq) + Cl–(aq) → H2O(l) + Na+(aq) +...
Calculate the enthalpy change for the following reactions. Balance the equation and calculate the enthalpy change:...
Calculate the enthalpy change for the following reactions. Balance the equation and calculate the enthalpy change: 9. MgO(s) + H, (g) + Mg(s) + H,O(1) Mg(s) + 12 0,) ► MgO(s) AH =-602 kJ H,(s) + 0,(9) H,00 AH = –242 kJ 602 kJ - 242 kJ = 360 kJ = AH 10. NaCl(s) + H2O → Na+ (aq) + Cl(aq) NaCl(s) → Nat(g) + CH) Nat(g) + CHg) → Na*(aq) + Cl(aq) AH =? AH = 788 kJ/mol AH...
Equations AS-re/T, AS system= ES® (products) - ES (reactants); AS univ=AS sys+AS sur; AGⓇ-AH- AGG products...
Equations AS-re/T, AS system= ES® (products) - ES (reactants); AS univ=AS sys+AS sur; AGⓇ-AH- AGG products - Gractants; AGⓇ--RT In K TAS: Constants SJ/mol K): Na(s)=51.21, H20(1=69.95, NaOH(aq)-48.1, H2(g)=130.7 AHºr kJ/mol : Na(s)=0, H2O(I=-285.83, NaOH(aq)=-469.15, H2(g)=0 1) For the reaction: Na(s) + H2O(l) → NaOH(aq) + H2(g) at 298K a) Calculate AHºrn b) Calculate AS system c) Calculate AG® d) Explain why the reaction is favored by enthalpy, entropy favored, both or neither? e) Which direction does the equilibrium shift...
How do I approach this? The temperature are in degrees Celcius btw. Thank you! Reaction 1:...
How do I approach this? The temperature are in degrees Celcius
btw. Thank you!
Reaction 1: The dissolving of solid sodium hydroxide in water. NaOH(s) ---> Nat(aq) + OH"(aq) + heat (x1 kJ) Reaction 2: The reaction of solid sodium hydroxide with dilute hydrochloric acid. NaOH(s) + H+ (aq) + Cl'(aq) ---> Nat(aq) + Cl(aq) + H2O + heat (x2 kJ) Reaction 3: The reaction of a sodium hydroxide solution with dilute hydrochloric acid solution. Na*(aq) + OH"(aq) + H+...
help me solve 1-3 Input Data Reactant Mg MgO Mass (9) 2300 104 Volume (mL) 100.0...
help me solve 1-3
Input Data Reactant Mg MgO Mass (9) 2300 104 Volume (mL) 100.0 1000 AT (C) 10.4 9.6 Calculated Enthalpies of Reaction Mg(s) + 2 HCl(aq) --> MgCl, (aq) + H29) AH = -459.83 kJ/mol MgO(s) + 2 HCl(aq) -> MgCl2(aq) + H20(0) AH = -155.66 kJ/mol Mg(s) + 4029) -> Mg(s) AH = -589.99 kJ/mol Problem: Solve for the following enthalpy changes 1) When 6.07 g NaOH(s) is reacted with 200.0 mL 0.759 M HCl(aq), the...
2. Calculate AH (expressed in kJ/mol) for the following reaction based on the thermochemical information given:...
2. Calculate AH (expressed in kJ/mol) for the following reaction based on the thermochemical information given: Na +Crce → NaCl AH ? Nas) + 2Cl2(g) → Nap + Cle AH = 230 kJ/mol Nag) + Cl → Na(+ Cl® AH = 147 kJ/mol Na(s) + Cl2(e) → NaCl) AH = -411 kJ/mol 3. Consider the reaction: 2HCl) + Ba(OH)2(aq) → BaCl(aq) + 2 H200 AH--118 kJ/mol a. Calculate the heat produced when 700.0 mL of 0.500 M HCl is mixed...
Using the equations Ca (s)2 O (g) Сао (s) 2 H2 (g) Determine the enthalpy for...
Using the equations Ca (s)2 O (g) Сао (s) 2 H2 (g) Determine the enthalpy for the reaction Са (s) + 2 H0 () — Са(ОН)2 (s) + H2 (9). CaO (s) AH° = -635 kJ/mol -64 kJ/mol H2O ()Ca(OH)2 (s) AH O2 (g)2 H2O (I) AH° = -572 kJ/mol kJ/mol 1 2 3 4 6 C 5 7 8 9 +/- 0 x 100 LO 11.01 g of MgSO4 is placed into 100.0 mL of water. The water's temperature...
dd to % Edit & Crea How many mL of 0.824 M HNO3 are needed to...
dd to % Edit & Crea How many mL of 0.824 M HNO3 are needed to react with 1.3 g of Hg,CI, Imolar mass = 472.08 g/mol)? HgCl2 +5HNO3 -> 2Hg(NO3)2(aq) + HNO2(aq) + 2HCl(aq) + H2O() Question 40 2 pts How many moles of NaF are in 0.134 L of a 2.89 M solution? 2 pts Question 41 Classify each of the following equations as total ionic, net ionic or molecular equations. Ba2+(aq) +CO2 (aq) + BaCO3(s) Na2CO3(aq) +...
Use the values of AH; to calculate AF® for the following reactions. Substance and State AH(kJ/mol)...
Use the values of AH; to calculate AF® for the following reactions. Substance and State AH(kJ/mol) C2H5OH(1) -278 02(9) CO2(9) -393.5 H2O(9) -242 H2O(1) -286 Ticu (9) -736 TiO2(8) _945 H+ (aq) Cl(aq) -167 NiO(s) -241 Ni(OH)2(s) -538 0 + (g) - (g) + он до ос AH = kJ b. TiCl4 (9) + 2H20(1) + TiO2 (s) + 4HCl(aq) AH° = c. NiO(s) + H2O(l) + Ni(OH)2(s) AH° = kJ
Thermochemistry
2. Re-arrange as appropriate and combine the first two equations to get the third equation and determine the heat of reaction. Show your workings clearly.(4 pts) AH -44.0 kJ/mol NAOH(s) Na(aq) + OH-(aq) NaOH(s)+ H'(aq) + Cl (aq) H2O() + Na (aq) + Cr(aq) AH=-100.1 kJ/mol H2O()+ Na (aq) + Cl(aq) AH°=? Na (aq)+OH (aq) + H*(aq) + Cl'(aq)
Calculate the enthalpy change for the following reactions. Balance the equation and calculate the enthalpy change: 9. MgO(s) + H, (g) + Mg(s) + H,O(1) Mg(s) + 12 0,) ► MgO(s) AH =-602 kJ H,(s) + 0,(9) H,00 AH = –242 kJ 602 kJ - 242 kJ = 360 kJ = AH 10. NaCl(s) + H2O → Na+ (aq) + Cl(aq) NaCl(s) → Nat(g) + CH) Nat(g) + CHg) → Na*(aq) + Cl(aq) AH =? AH = 788 kJ/mol AH...
Equations AS-re/T, AS system= ES® (products) - ES (reactants); AS univ=AS sys+AS sur; AGⓇ-AH- AGG products - Gractants; AGⓇ--RT In K TAS: Constants SJ/mol K): Na(s)=51.21, H20(1=69.95, NaOH(aq)-48.1, H2(g)=130.7 AHºr kJ/mol : Na(s)=0, H2O(I=-285.83, NaOH(aq)=-469.15, H2(g)=0 1) For the reaction: Na(s) + H2O(l) → NaOH(aq) + H2(g) at 298K a) Calculate AHºrn b) Calculate AS system c) Calculate AG® d) Explain why the reaction is favored by enthalpy, entropy favored, both or neither? e) Which direction does the equilibrium shift...
How do I approach this? The temperature are in degrees Celcius
btw. Thank you!
Reaction 1: The dissolving of solid sodium hydroxide in water. NaOH(s) ---> Nat(aq) + OH"(aq) + heat (x1 kJ) Reaction 2: The reaction of solid sodium hydroxide with dilute hydrochloric acid. NaOH(s) + H+ (aq) + Cl'(aq) ---> Nat(aq) + Cl(aq) + H2O + heat (x2 kJ) Reaction 3: The reaction of a sodium hydroxide solution with dilute hydrochloric acid solution. Na*(aq) + OH"(aq) + H+...
help me solve 1-3
Input Data Reactant Mg MgO Mass (9) 2300 104 Volume (mL) 100.0 1000 AT (C) 10.4 9.6 Calculated Enthalpies of Reaction Mg(s) + 2 HCl(aq) --> MgCl, (aq) + H29) AH = -459.83 kJ/mol MgO(s) + 2 HCl(aq) -> MgCl2(aq) + H20(0) AH = -155.66 kJ/mol Mg(s) + 4029) -> Mg(s) AH = -589.99 kJ/mol Problem: Solve for the following enthalpy changes 1) When 6.07 g NaOH(s) is reacted with 200.0 mL 0.759 M HCl(aq), the...
2. Calculate AH (expressed in kJ/mol) for the following reaction based on the thermochemical information given: Na +Crce → NaCl AH ? Nas) + 2Cl2(g) → Nap + Cle AH = 230 kJ/mol Nag) + Cl → Na(+ Cl® AH = 147 kJ/mol Na(s) + Cl2(e) → NaCl) AH = -411 kJ/mol 3. Consider the reaction: 2HCl) + Ba(OH)2(aq) → BaCl(aq) + 2 H200 AH--118 kJ/mol a. Calculate the heat produced when 700.0 mL of 0.500 M HCl is mixed...
Using the equations Ca (s)2 O (g) Сао (s) 2 H2 (g) Determine the enthalpy for the reaction Са (s) + 2 H0 () — Са(ОН)2 (s) + H2 (9). CaO (s) AH° = -635 kJ/mol -64 kJ/mol H2O ()Ca(OH)2 (s) AH O2 (g)2 H2O (I) AH° = -572 kJ/mol kJ/mol 1 2 3 4 6 C 5 7 8 9 +/- 0 x 100 LO 11.01 g of MgSO4 is placed into 100.0 mL of water. The water's temperature...
dd to % Edit & Crea How many mL of 0.824 M HNO3 are needed to react with 1.3 g of Hg,CI, Imolar mass = 472.08 g/mol)? HgCl2 +5HNO3 -> 2Hg(NO3)2(aq) + HNO2(aq) + 2HCl(aq) + H2O() Question 40 2 pts How many moles of NaF are in 0.134 L of a 2.89 M solution? 2 pts Question 41 Classify each of the following equations as total ionic, net ionic or molecular equations. Ba2+(aq) +CO2 (aq) + BaCO3(s) Na2CO3(aq) +...
Use the values of AH; to calculate AF® for the following reactions. Substance and State AH(kJ/mol) C2H5OH(1) -278 02(9) CO2(9) -393.5 H2O(9) -242 H2O(1) -286 Ticu (9) -736 TiO2(8) _945 H+ (aq) Cl(aq) -167 NiO(s) -241 Ni(OH)2(s) -538 0 + (g) - (g) + он до ос AH = kJ b. TiCl4 (9) + 2H20(1) + TiO2 (s) + 4HCl(aq) AH° = c. NiO(s) + H2O(l) + Ni(OH)2(s) AH° = kJ
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