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4. Aluminum metal reduces iron (III) oxide to iron metal:...
The highly exothermic thermite reaction, in which aluminum reduces iron (III) oxide to elemental iron, has...
The highly exothermic thermite reaction, in which aluminum reduces iron (III) oxide to elemental iron, has been used by railroad repair crews to weld rails together. 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s) AH = -850 kJ What mass of iron is formed when 725 kJ of heat are released?
The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental iron, has been...
The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental iron, has been used by railroad repair crews to weld rails together. 2Al(s) + Fe2O3(s) - 2Fe(s) + Al2O3(s) AH=-850 kJ What mass of iron is formed when 725 kJ of heat are released?
Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal...
Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion, 4Al(s) + 3O2(g) → 2Al2O3(s). ΔG° for this reaction is ___________ and this reaction is ____________ . ΔG°f (kJ/mol) Al(s) 0 O2(g) 0 Al2O3(s) -1576.4 Select one: a. 0 kJ/mol; at equilibrium b. 3152.8 kJ/mol; spontaneous c. 3152.8 kJ/mol; nonspontaneous d. -3152.8 kJ/mol; spontaneous e. -3152.8 kJ/mol, nonspontaneous
1. Which reaction(s) is/are exothermic? Select all that apply. ΔHf° in kJ/mol at 25°C MgO -601...
1. Which reaction(s) is/are exothermic? Select all that apply. ΔHf° in kJ/mol at 25°C MgO -601 Fe2O3(s) -824 Ag2O (s) -31 Al2O3(s) -1676 Group of answer choices a. 6Ag(s) + Fe2O3(s) --> 3Ag2O(s) + 2Fe(s) b. 2Al(s) + Fe2O3(s) --> Al2O3(s) + 2Fe(s) c. 3Mg(s) + Fe2O3(s) --> 3MgO(s) + 2Fe(s) 2. Which metal requires the most energy to extract (i.e. return to it's metallic form) from it's ore? Reaction ΔHf° kJ/mol metal oxide 2Au(s) + 3/2 O2(g) --> Au2O3(s)...
Use the data in Appendix B in the textbook to calculate ΔH∘ and ΔS∘ for each...
Use the data in Appendix B in the textbook to calculate ΔH∘ and ΔS∘ for each of the following reactions. From the values of ΔH∘ and ΔS∘, calculate ΔG∘ at 25 ∘C and predict whether each reaction is spontaneous under standard-state conditions. Part A 2SO2(g)+O2(g)→2SO3(g) Express your answer using four significant figures. ΔH∘ = kJ Part B Express your answer using four significant figures. ΔS∘ = J/K Part C Express your answer using four significant figures. ΔG∘ = kJ Part...
Please do step by step! Thank you! ❤️ USE THE FACTOR LABEL MMETHOD SHOW YOUR WORK...
Please do step by step! Thank you! ❤️
USE THE FACTOR LABEL MMETHOD SHOW YOUR WORK CLEARLY ANSWERS WITH NO WORK SHALL NOT GET CREDIT 1. 10 Points. USE THE FACTOR LABEL METHOD SHOW YOUR WORK CLEARLY. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000 °C and is used to weld metals: Al2O3 +2Fe 2Al + Fe2O3 In one process, 224 g of Al are reacted with 601 g of Fe2O1. (a) Determine the limiting reactant....
conversion factors needed: molar masses of O, and Ho, and molar ratio between Ozand Ho. Molar mass Oz: 2 x 16.00 g/...
conversion factors needed: molar masses of O, and Ho, and molar ratio between Ozand Ho. Molar mass Oz: 2 x 16.00 g/mol = 32.00 g/mol Molar mass HO: (2x 1,01 g/mol)*16.00 /mol 7HO-1.5 80xmor 2 mol No1802 1,0 52.00 gomolo 1 .689 = 1.7 HO Now let's try some problems Be sure to give your answers with the correct number of significant figures. 1. Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,...
1. The dimensions of the SI unit of energy, the Joule (J), are A. K B....
1. The dimensions of the SI unit of energy, the Joule (J), are A. K B. kg m s C. kg m2 s-2 D. kg m-1 s-2 E. kg m2 s-1 2. Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3 kilojoules of energy. How much energy does that represent in kilocalories? A. 3.36×103 kcal B. 3.357 kcal C. 191.8 kcal D. 0.192 kcal E. 1.918×105 kcal 3. What is the change in...
answer all please Walan 6 Iron metal reacts with chlorine gas according to the equation: 2Fe(s)...
answer all please
Walan 6 Iron metal reacts with chlorine gas according to the equation: 2Fe(s) + 3Cl2(g) 2FeCl(s) T135.0 g each of iron and chlorine react, how much FeCl, will be formed? A 102 g B 155 g 53.48 D. 80.08 E 68.0 8 7. In the process of obtaining lead from Pbs, or galena the galena is "roasted" (heated in the presence of oxygen), so that the following reaction occurs: 2PbS(s) + 30,(g) 2PO(S) + 2SOxg) IF 50.0...
2 questions, need help! When the oxide of generic metal M is heated at 25.0 °C,...
2 questions, need help!
When the oxide of generic metal M is heated at 25.0 °C, a negligible amount of M is produced kJ AG" 289.0- mol MO2(s) M(s)+ 02(g) When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous What is the chemical equation of this coupled process? Show that the reaction is in equilibrium. Include physical states and represent graphite as C(s) chemical equation: MO,(s)C(s)=M(s) + CO2(g) What is the thermodynamic equilbrium...
The highly exothermic thermite reaction, in which aluminum reduces iron (III) oxide to elemental iron, has been used by railroad repair crews to weld rails together. 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s) AH = -850 kJ What mass of iron is formed when 725 kJ of heat are released?
Please do step by step! Thank you! ❤️
USE THE FACTOR LABEL MMETHOD SHOW YOUR WORK CLEARLY ANSWERS WITH NO WORK SHALL NOT GET CREDIT 1. 10 Points. USE THE FACTOR LABEL METHOD SHOW YOUR WORK CLEARLY. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000 °C and is used to weld metals: Al2O3 +2Fe 2Al + Fe2O3 In one process, 224 g of Al are reacted with 601 g of Fe2O1. (a) Determine the limiting reactant....
conversion factors needed: molar masses of O, and Ho, and molar ratio between Ozand Ho. Molar mass Oz: 2 x 16.00 g/mol = 32.00 g/mol Molar mass HO: (2x 1,01 g/mol)*16.00 /mol 7HO-1.5 80xmor 2 mol No1802 1,0 52.00 gomolo 1 .689 = 1.7 HO Now let's try some problems Be sure to give your answers with the correct number of significant figures. 1. Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,...
answer all please
Walan 6 Iron metal reacts with chlorine gas according to the equation: 2Fe(s) + 3Cl2(g) 2FeCl(s) T135.0 g each of iron and chlorine react, how much FeCl, will be formed? A 102 g B 155 g 53.48 D. 80.08 E 68.0 8 7. In the process of obtaining lead from Pbs, or galena the galena is "roasted" (heated in the presence of oxygen), so that the following reaction occurs: 2PbS(s) + 30,(g) 2PO(S) + 2SOxg) IF 50.0...
2 questions, need help!
When the oxide of generic metal M is heated at 25.0 °C, a negligible amount of M is produced kJ AG" 289.0- mol MO2(s) M(s)+ 02(g) When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous What is the chemical equation of this coupled process? Show that the reaction is in equilibrium. Include physical states and represent graphite as C(s) chemical equation: MO,(s)C(s)=M(s) + CO2(g) What is the thermodynamic equilbrium...
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