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(4) Consider the following reaction: 3H, (B) + Fe 0. (8) 2Fe (s) + 3H20 (8)...
8. Find the standard enthalpy of the following reaction: 2Al(s) + Fe,O,() + ALO,(s) + 2Fe(s)...
8. Find the standard enthalpy of the following reaction: 2Al(s) + Fe,O,() + ALO,(s) + 2Fe(s) Use enthalpies of reactants and products from the textbook. DH Fego, = -822 kJ/mol DHO ALO, -1669xJlnol Fe 2 O (s) + 2 Ales) Al₂O3(s) + 2 tel.) DHRY 4 Colup -suor) Dolpx=(-1668 +260))-(-822 +2:00) (OH R X=-847 k5l nol) 9. Determine the energy of an electromagnetic radiation of 550 nm wavelength. 10. What is the velocity of an electron having a de Broglie...
Consider the reaction: Fe(s) + 2HCl(aq) +FcC12(8) + H2(g) Using standard thermodynamic data at 298K, calculate...
Consider the reaction: Fe(s) + 2HCl(aq) +FcC12(8) + H2(g) Using standard thermodynamic data at 298K, calculate the free energy change when 2.46 moles of Fe(s) react at standard conditions, AG xn Submit Answer Retry Entire Group 8 more group attempts remaining Consider the reaction: N2(g) + O2(g) +2NO(g) Using standard thermodynamic data at 298K, calculate the free energy change when 1.690 moles of N.() react at standard conditions. kJ AG Submit Answer Retry Entire Group & more group attempts remaining
Question 20 1 pts Using provided data, determine AGº (kJ) for the following reaction. 2Fe(s) +...
Question 20 1 pts Using provided data, determine AGº (kJ) for the following reaction. 2Fe(s) + 3C12(8) 2FeCl3(s) AH® (kJ/mol) S (J/molk) Fe(s) 27.3 Cl2le) 223.0 FeCl3(s) -399.5 142 Question 21 1 pts Determine AG (in kJ) for the following reaction at 325K when the concentrations of the species are as follows: NO, - 10.00 M, N204 - 11.1 M. AGº (NO) - 51 kJ/mol, AG (N204) - 97.7 kJ/mol 2NO26) N20 (8)
Consider the following generic reaction: A (s) + 2 B (g) ↔ C (s) + 4...
Consider the following generic reaction: A (s) + 2 B (g) ↔ C (s) + 4 D (g) Δ H = +12 kJ/mol Explain how each of the following variables will shift the equilibrium (towards the reactants, towards the product, no change) a. Doubling the volume b. Adding D c. Adding E (g) d. Heating up the reacting e. Removing B
Q5: Unit 8 Consider the reaction: 4Fe +30, Ⓡ 2Fe,0, If 4 moles of Fe are...
Q5: Unit 8 Consider the reaction: 4Fe +30, Ⓡ 2Fe,0, If 4 moles of Fe are allowed to react with 4 moles of O,, how many moles of the excess reagent will remain unreacted? A. 2.0 moles B. 1.5 moles C. 1.0 mole D. 0.5 moles
8. Find the standard enthalpy of the following reaction: 2Al(s)+ Fe,O(s)ALO(s)+2Fe(s) Use enthalpies of reactants a...
8. Find the standard enthalpy of the following reaction: 2Al(s)+ Fe,O(s)ALO(s)+2Fe(s) Use enthalpies of reactants and products from the textbook. Determine the energy of an electromagnetic radiation of 550 nm wavelength. 9. 10. What is the velocity of an electron having a de Broglie wavelength that is approximately the length of a chemical bond? Assume this length to be 1.2 x 1010m.
1. [Suggested time 20-30 minutes] The reverse water gas shift (WGS) reaction occurs during many high temperature processes involving hydrocarbons and typically reaches equilibrium: coag) + H2(g)...
1. [Suggested time 20-30 minutes] The reverse water gas shift (WGS) reaction occurs during many high temperature processes involving hydrocarbons and typically reaches equilibrium: coag) + H2(g) 근 COe) + H2O(g) AG 298K (kJ/mol) AH1298K (kJ/mol) -137.66 -229.25 -395.51 0.00 -110.84 -242.52 -394.64 0.00 H20 (g) CO2(8) o lin 2 [3 points] Determine the standard Gibbs energy change for this reaction at 25°C b) c) [10 points] Calculate the equilibrium composition (molar fractions) for an isothermal reaction carried out at...
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the...
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the reaction and comment on its value. (3 marks) (c) Determine the maximum work done available in the reaction. (3 marks) An equilibrium mixture, consisting of 0.5 atm of NHy(), 0.5 atm of HCKg) and excessive of NH Cl(s), is enclosed in a container at 298 K...
need help with 8,9,10, and 11 Chem 103A Electrochemistry 8. Consider a voltaic cell that uses the reaction Cu(s) +...
need help with 8,9,10, and 11
Chem 103A Electrochemistry 8. Consider a voltaic cell that uses the reaction Cu(s) + 2Fe'(aq) - Cr"(aq) + 2Fe""(aq) What is the potential of a cell at 25°C that has the following concentrations? [Fe'') - 1.0x 10M (Cu)-0.25 M [Fe] =0.20 M 9. Lead can displace silver from solution, and as a consequence, silver is a valuable by-product in the industrial extraction of lead from its ore: Pb(s) + 2 Ag" (aq) → Pb...
8. Find the standard enthalpy of the following reaction: 2Al(s) + Fe,O,() + ALO,(s) + 2Fe(s) Use enthalpies of reactants and products from the textbook. DH Fego, = -822 kJ/mol DHO ALO, -1669xJlnol Fe 2 O (s) + 2 Ales) Al₂O3(s) + 2 tel.) DHRY 4 Colup -suor) Dolpx=(-1668 +260))-(-822 +2:00) (OH R X=-847 k5l nol) 9. Determine the energy of an electromagnetic radiation of 550 nm wavelength. 10. What is the velocity of an electron having a de Broglie...
Consider the reaction: Fe(s) + 2HCl(aq) +FcC12(8) + H2(g) Using standard thermodynamic data at 298K, calculate the free energy change when 2.46 moles of Fe(s) react at standard conditions, AG xn Submit Answer Retry Entire Group 8 more group attempts remaining Consider the reaction: N2(g) + O2(g) +2NO(g) Using standard thermodynamic data at 298K, calculate the free energy change when 1.690 moles of N.() react at standard conditions. kJ AG Submit Answer Retry Entire Group & more group attempts remaining
Question 20 1 pts Using provided data, determine AGº (kJ) for the following reaction. 2Fe(s) + 3C12(8) 2FeCl3(s) AH® (kJ/mol) S (J/molk) Fe(s) 27.3 Cl2le) 223.0 FeCl3(s) -399.5 142 Question 21 1 pts Determine AG (in kJ) for the following reaction at 325K when the concentrations of the species are as follows: NO, - 10.00 M, N204 - 11.1 M. AGº (NO) - 51 kJ/mol, AG (N204) - 97.7 kJ/mol 2NO26) N20 (8)
Q5: Unit 8 Consider the reaction: 4Fe +30, Ⓡ 2Fe,0, If 4 moles of Fe are allowed to react with 4 moles of O,, how many moles of the excess reagent will remain unreacted? A. 2.0 moles B. 1.5 moles C. 1.0 mole D. 0.5 moles
8. Find the standard enthalpy of the following reaction: 2Al(s)+ Fe,O(s)ALO(s)+2Fe(s) Use enthalpies of reactants and products from the textbook. Determine the energy of an electromagnetic radiation of 550 nm wavelength. 9. 10. What is the velocity of an electron having a de Broglie wavelength that is approximately the length of a chemical bond? Assume this length to be 1.2 x 1010m.
1. [Suggested time 20-30 minutes] The reverse water gas shift (WGS) reaction occurs during many high temperature processes involving hydrocarbons and typically reaches equilibrium: coag) + H2(g) 근 COe) + H2O(g) AG 298K (kJ/mol) AH1298K (kJ/mol) -137.66 -229.25 -395.51 0.00 -110.84 -242.52 -394.64 0.00 H20 (g) CO2(8) o lin 2 [3 points] Determine the standard Gibbs energy change for this reaction at 25°C b) c) [10 points] Calculate the equilibrium composition (molar fractions) for an isothermal reaction carried out at...
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the reaction and comment on its value. (3 marks) (c) Determine the maximum work done available in the reaction. (3 marks) An equilibrium mixture, consisting of 0.5 atm of NHy(), 0.5 atm of HCKg) and excessive of NH Cl(s), is enclosed in a container at 298 K...
need help with 8,9,10, and 11
Chem 103A Electrochemistry 8. Consider a voltaic cell that uses the reaction Cu(s) + 2Fe'(aq) - Cr"(aq) + 2Fe""(aq) What is the potential of a cell at 25°C that has the following concentrations? [Fe'') - 1.0x 10M (Cu)-0.25 M [Fe] =0.20 M 9. Lead can displace silver from solution, and as a consequence, silver is a valuable by-product in the industrial extraction of lead from its ore: Pb(s) + 2 Ag" (aq) → Pb...
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