QUESTION 23 Refer to this equation: 2Al(s) + Fe2O3(S) --> 2Fe( 5) + Al2O3(S) AH rxn--847.6...
Given that: 2Al(s)+(3/2)O2(g)--->Al2O3(s) change in H(rxn)= -1601 kJ/mol 2Fe(s)+(3/2)O2(g)--->Fe2O3(s) change in H(rxn)= -821 kJ/mol Calculate the standard enthalpy change for the following reaction: 2Al(s)+Fe2O3(s)--->2Fe(s)+Al2O3(s) _______kJ
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?
Calculate the standard enthalpy change for the reaction 2Al(s)+Fe2O3(s) → 2Fe(s)+Al2O3(s)given that2 Al(s)+ 3/2O2(g) → Al2O3(s) ΔHrxn°=-1669.8 kJ/mol2 Fe(s)+3/2O2(g) → Fe2O3(s) ΔHrxn°=-822.2 kJ / mol
Be sure to answer all parts. Given that 2Al(s) + 3 2 O2(g) → Al2O3(s) ΔH o rxn = −1601 kJ/mol and 2Fe(s) + 3 2 O2(g) → Fe2O3(s) ΔH o rxn = −821 kJ/mol calculate the standard enthalpy change for the following reaction: 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s) Enter your answer in scientific notation.
How many kilojoules of heat are produced when 2.89 mol of Fe2O3 react? 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s) heat of reaction = –851.5 kJ
correct Question 4 0/2 pts Fe2O3(s) + 2Al(s) Al2O3(s) + 2 Fe(s) AH° = -851.5 kJ/mol If 75 g Fe2O3 is combined with 23 g Al, what is the value of q (kJ)? Enter your answer as an integer. 726
3.(15 pts) In each case, find the missing AH (kJ/mole) (a) If 2Al(s) + Fe2O3(s) - > Al2O3(s) + 2 Fe(s) AH -851.5kJ/mol then 1/8 Al2O3(s) + 1/4 Fe(s) ---> 1/4 Al(s) + 1/8 Fe2O3(s) AHan = ? (b) If Cao(s) + 3 C(s) --> CaC(s) + CO(g) AH -464.8 kJ/mol then 6 CaO(s) + 18 C(s) -> 6 CaC2(s) +6 CO(g) AH = ? (c) If N2(g) + 2 02(g) ---> N2O(g) and 2 NO2(g) ---> N2(g) + 2...
Fe2O3(s) + 2Al(s)Al2O3(s) + 2Fe(s) for which H° = -851.5 kJ and S° = -37.00 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 2.413 moles of Fe2O3(s) react under standard conditions at 298.15 K. S universe = J/K (2) Is this reaction reactant or product favored under standard conditions? ( 3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy?
5 Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below. 2Fe(s) + 3/2 O2(g) → Fe2O3(s) AH(Fe2O3) = ? Fe(s) + 3 H2O() Fe(OH)3(s) + 3/2 H2(g) AH° = +160.9 kJ/mol-rxn H2(g) + 1/2O2(g) → H2O(1) A.H° = -285.8 kJ/mol-rxn Fe2O3(s) + 3 H2O(1) ► Fe(OH),(s) A,Hº +288.6 kJ/mol-rxn
Under what conditions will the reaction be spontaneous? (a) Al2O3(s)+2Fe(s)→Fe2O3(s)+2Al(s)ΔS>0 and ΔH>0 (b) CS 2 ( g ) → CS 2 ( l ) Δ S < 0 and Δ H < 0