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Q5: Unit 8 Consider the reaction: 4Fe +30, Ⓡ 2Fe,0, If 4 moles of Fe are...
10. Consider the reaction below: 45 4Fe + 30, 2Fe 0, 2 27.90 IH-08 + 47,97...
10. Consider the reaction below: 45 4Fe + 30, 2Fe 0, 2 27.90 IH-08 + 47,97 How many grams of oxygen gas are needed to react completely with 44.2 grams of iron? a. 19.0 g b. 1018 C. 128 0 25.3 g 3(1899) 44. 2g Fe =
In the following reaction: 2Fe(s) + 3S(s) → Fe2S3(s) How many moles of Fe2S3 are produced...
In the following reaction: 2Fe(s) + 3S(s) → Fe2S3(s) How many moles of Fe2S3 are produced when 2 moles of Fe reacts with 3 moles of S? a) 0.5 moles b) 1.5 moles c) 1.0 moles b) 5.5 moles
(4) Consider the following reaction: 3H, (B) + Fe 0. (8) 2Fe (s) + 3H20 (8)...
(4) Consider the following reaction: 3H, (B) + Fe 0. (8) 2Fe (s) + 3H20 (8) AG" -- 56.4 kJ/mol (a) Determine the equilibrium constant for this reaction at 298K (b) Next suppose the reaction is done at 298K, but at pressures where AG -5.00 kJ/mol. Relative to the conditions in part (a), will the reaction now shift towards the reactants or the products? Explain (c) Still at 298 K, if AG = -5.00 kJ/mol, calculate the ratio of pressures...
Study the chemical reaction. N2(g) + 3H2(g) + 2NH3(g) How many moles of Nz will react...
Study the chemical reaction. N2(g) + 3H2(g) + 2NH3(g) How many moles of Nz will react with 1.5 moles of H2? O 1.5 mol 1.0 mol 2.0 mol O 0.5 mol
4 Consider the balanced chemical equation: 2Al(s) + Fe2O3(s) — 2Fe(s) + Al2O3(s) heat of reaction...
4 Consider the balanced chemical equation: 2Al(s) + Fe2O3(s) — 2Fe(s) + Al2O3(s) heat of reaction = -851.5 kJ (a) How many kilojoules of heat are produced when 4.88 moles of Al react? (b) How many kilojoules of heat are produced when 4.88 moles of Fe2O3 react? (c) What mass of Fe2O3 must react to produce 387 kJ of heat?
Experiment 9-Post-lab Questions 1. Methanol (CH,OH) can be produced by the reaction of carbon monoxide (CO)...
Experiment 9-Post-lab Questions 1. Methanol (CH,OH) can be produced by the reaction of carbon monoxide (CO) with hydrogen (H,). The balanced chemical reaction is: cO@)+2 H, (g)CH,OH() Suppose 14.0 g of carbon monoxide is reacted with 8.0 g of hydrogen. a. Which reactant is the limiting reagent? b. What is the theoretical yield for methanol? c. At the completion of the reaction, how many grams of the excess reagent will remain? 2. Iron(III) oxide (Fe,O,) can be converted to iron...
Question 8 (1 point) According to the following reaction, how many moles of Fe(OH)2 can form...
Question 8 (1 point) According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M LIOH solution? Assume that there is excess FeCl2 FeCl2(aq) + 2 LiOH(aq) - Fe(OH)2(s) + 2 LiCl(aq) 05.03 * 10-2 moles 2.52 x 10-2 moles O 1.99 x 10-2 moles 6.49 * 10-2 moles 3.97 * 10-2 moles Previous Page Next Page Page 8 of 28
Model 4: Using Moles of Limiting Reagent in Stoichiometry The above pictures are not realistic because...
Model 4: Using Moles of Limiting Reagent in Stoichiometry The above pictures are not realistic because they involve so very few molecules. In a "real-world" sample, you are likely to have on the order of 10 molecules. Consider the following: Suppose you have a reaction vessel initially containing 13.5 moles of sulfur dioxide and 11.2 moles of oxygen mol SO, required to react with all O2 = 11.2 mol O2 x 2 mol SO 22.4 mol SO, 1 mol O2...
1. Consider the reaction: MnO2 (s) + 4 HCl (g)MnCl2 (s) + Cl2 (g) + 2 H20 (g) If 10.00 g of MnO2 ...
1. Consider the reaction: MnO2 (s) + 4 HCl (g)MnCl2 (s) + Cl2 (g) + 2 H20 (g) If 10.00 g of MnO2 and 10.00 g of HCl are reacted, how many grams of MnCl2 can be produced? Show all calculations 2. Consider the following unbalanced equation: NH4NOs(aq) + Na PO4(aq)(NH4)3PO4(aq NaNOs(aq) Assuming you start with 50.0 g of NHNOs and 50.0 g of NasPO4, which is the limiting reagent? What is the theoretical yield (g) of ammonium phosphate? a....
QUESTION 9 Consider the following reaction Ca(s)2HCI(aq) ->CaCl2(aq) H2(g) How many moles of HCI are needed...
QUESTION 9 Consider the following reaction Ca(s)2HCI(aq) ->CaCl2(aq) H2(g) How many moles of HCI are needed to form 3 moles of CaCl2? 0 1 mole 1.5 moles 3 moles 6 moles 8 moles
10. Consider the reaction below: 45 4Fe + 30, 2Fe 0, 2 27.90 IH-08 + 47,97 How many grams of oxygen gas are needed to react completely with 44.2 grams of iron? a. 19.0 g b. 1018 C. 128 0 25.3 g 3(1899) 44. 2g Fe =
In the following reaction: 2Fe(s) + 3S(s) → Fe2S3(s) How many moles of Fe2S3 are produced when 2 moles of Fe reacts with 3 moles of S? a) 0.5 moles b) 1.5 moles c) 1.0 moles b) 5.5 moles
(4) Consider the following reaction: 3H, (B) + Fe 0. (8) 2Fe (s) + 3H20 (8) AG" -- 56.4 kJ/mol (a) Determine the equilibrium constant for this reaction at 298K (b) Next suppose the reaction is done at 298K, but at pressures where AG -5.00 kJ/mol. Relative to the conditions in part (a), will the reaction now shift towards the reactants or the products? Explain (c) Still at 298 K, if AG = -5.00 kJ/mol, calculate the ratio of pressures...
Study the chemical reaction. N2(g) + 3H2(g) + 2NH3(g) How many moles of Nz will react with 1.5 moles of H2? O 1.5 mol 1.0 mol 2.0 mol O 0.5 mol
4 Consider the balanced chemical equation: 2Al(s) + Fe2O3(s) — 2Fe(s) + Al2O3(s) heat of reaction = -851.5 kJ (a) How many kilojoules of heat are produced when 4.88 moles of Al react? (b) How many kilojoules of heat are produced when 4.88 moles of Fe2O3 react? (c) What mass of Fe2O3 must react to produce 387 kJ of heat?
Experiment 9-Post-lab Questions 1. Methanol (CH,OH) can be produced by the reaction of carbon monoxide (CO) with hydrogen (H,). The balanced chemical reaction is: cO@)+2 H, (g)CH,OH() Suppose 14.0 g of carbon monoxide is reacted with 8.0 g of hydrogen. a. Which reactant is the limiting reagent? b. What is the theoretical yield for methanol? c. At the completion of the reaction, how many grams of the excess reagent will remain? 2. Iron(III) oxide (Fe,O,) can be converted to iron...
Question 8 (1 point) According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M LIOH solution? Assume that there is excess FeCl2 FeCl2(aq) + 2 LiOH(aq) - Fe(OH)2(s) + 2 LiCl(aq) 05.03 * 10-2 moles 2.52 x 10-2 moles O 1.99 x 10-2 moles 6.49 * 10-2 moles 3.97 * 10-2 moles Previous Page Next Page Page 8 of 28
Model 4: Using Moles of Limiting Reagent in Stoichiometry The above pictures are not realistic because they involve so very few molecules. In a "real-world" sample, you are likely to have on the order of 10 molecules. Consider the following: Suppose you have a reaction vessel initially containing 13.5 moles of sulfur dioxide and 11.2 moles of oxygen mol SO, required to react with all O2 = 11.2 mol O2 x 2 mol SO 22.4 mol SO, 1 mol O2...
1. Consider the reaction: MnO2 (s) + 4 HCl (g)MnCl2 (s) + Cl2 (g) + 2 H20 (g) If 10.00 g of MnO2 and 10.00 g of HCl are reacted, how many grams of MnCl2 can be produced? Show all calculations 2. Consider the following unbalanced equation: NH4NOs(aq) + Na PO4(aq)(NH4)3PO4(aq NaNOs(aq) Assuming you start with 50.0 g of NHNOs and 50.0 g of NasPO4, which is the limiting reagent? What is the theoretical yield (g) of ammonium phosphate? a....
QUESTION 9 Consider the following reaction Ca(s)2HCI(aq) ->CaCl2(aq) H2(g) How many moles of HCI are needed to form 3 moles of CaCl2? 0 1 mole 1.5 moles 3 moles 6 moles 8 moles
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