How much heat (J) is evolved when 450 g of Fe,O3 is reacted with excess carbon...

Question

Question

science chemistry

Answer 1

Answer #1

Molar mass of FexOz = 159.69 g/mol 1 mol of Fe₂O3 = 159.699 ée, 159.69 g of Fe2O3 = 1 moe of Fe₂O3 - 19 of. Fe₂O3 = 1/2 mal o

Answer 2

Similar Homework Help Questions

4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) AH = -1652 kJ (a) How much heat is released when 3.54 mol iron are reacted with exce...

4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) AH = -1652 kJ (a) How much heat is released when 3.54 mol iron are reacted with excess O2? Ok] (b) How much heat is released when 1.48 mol Fe2O3 is produced? CJ) (c) How much heat is released when 2.50 g iron are reacted with excess O2? DJ (d) How much heat is released when 12.6 g Fe and 1.02 g O2 are reacted? CkJ
. Use the equation below to calculate how much heat (in kJ) is evolved when 5.0...

. Use the equation below to calculate how much heat (in kJ) is evolved when 5.0 g of aluminium reacts with a stoichiometric amount of Fe2O3? 2 Al (s) + Fe2O3 (s) —>2 Fe (s) + Al2O3 (s) AH° = -852 kJ Determine the AHPrxn for the following reaction. {AH® (NH3) = -45.9 kJ/mol; AH°(O2) = 0; AH® (NO) = +91.3 kJ/mol; AH° (H2O) = -241.8 kJ/mol; 4 NH3 (g) + 5 O2 (g) — 4 NO (g) + 6...
Part A How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.40...

Part A How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.40 g of Fe2O3 with enough carbon monoxide to produce iron metal? Fe, 3 (s) + 3CO(g) + 2Fe(s) + 3C02(9) AH° = -24.8kJ. ΑΣΦ 9 = q= | kJ Submit Request Answer Part B Is the process exothermic or endothermic? The process is exothermic. The process is endothermic.

Please help with these two questions :( 1. How much energy (in kJ) is evolved during...

Please help with these two questions :( 1. How much energy (in kJ) is evolved during the reaction of 76.9 g of Al, according to the reaction below? Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) ΔH°rxn = -852 kJ Assume that there is excess Fe2O3. 2. A 12.43 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C = 5.65 kJ/°C. C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(g) ΔH°rxn...
How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.40 g of...

How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.40 g of Fe2O3 with enough carbon monoxide to produce iron metal? Fe2O3(s) + 3CO(g) + 2Fe(s) + 3C02(g) AH° = -24.8kJ. IVO AQ o 2 ?
The overall reaction in commercial heat packs can be represented as the reaction below. 4 Fe(s)...

The overall reaction in commercial heat packs can be represented as the reaction below. 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s), ΔH = -1652 kJ (a) How much heat is released when 4.23 mol iron is reacted with excess O2? (b) How much heat is released when 1.48 mol Fe2O3 is produced? c) How much heat is released when 1.34 g iron is reacted with excess O2? (d) How much heat is released when 13.10 g Fe and 2.05...

How much energy is evolved during the formation of 197 g of Fe, according to the...

How much energy is evolved during the formation of 197 g of Fe, according to the reaction below? Fe2O3(s) + 2 Al(s) + A1203(s) + 2 Fe(s) AH®rxn - -852 kJ How do you find the correct answer to the problem question? DH(rxn of 197 g of Fe) = ratio of #mol from 197g of Fe in reaction / 2 mol of Fe in equation) x DHX of 2 mol of Fe). Amol from 197 sof is not known and...
5. Given: Fe,O3(s) + 3CO(g) + 2Fe(s) + 3CO2(g); AH° = -26.8 kJ FeO(s) + CO(g)...

5. Given: Fe,O3(s) + 3CO(g) + 2Fe(s) + 3CO2(g); AH° = -26.8 kJ FeO(s) + CO(g) → Fe(s) + CO2(g); AH° =-16.5 kJ determine AH° for the following thermochemical equation. Fe2O3(s) + CO(g) → 2FeO(s) + CO2(g)
How much heat is evolved if 0.600 kg of SO2 is burned in excess oxygen? 2SO2(g)...

How much heat is evolved if 0.600 kg of SO2 is burned in excess oxygen? 2SO2(g) + O2(g) → 2803(g) AH°rxn=-198 kJ/mol O 3.71x 103 kJ O 5.46 x 10-2k) 0 1.85 x 103 kg O 927 kJ O 59,400 kJ

How much energy is evolved during the reaction of 53.4 g of Al, according to the...

How much energy is evolved during the reaction of 53.4 g of Al, according to the reaction below? Assume that there is excess Fe2O3. Fe,Og(s) + 2 Al(s) + AlzO3(s) + 2 Fe(s) AHnx = -852 kJ 53.4 kJ O 843 kJ 430 kJ 1686 kJ 215 kJ Using the following equation for the combustion of octane, calculate the heat of reaction for 400.0 g of octane. The molar mass of octane is 114.33 g/mole 2 CH + 25 02...