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For which process will AH° and AG be expected to be most similar? 2Al(s) + Fe2O3(s)...
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...
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
QUESTION 23 Refer to this equation: 2Al(s) + Fe2O3(S) --> 2Fe( 5) + Al2O3(S) AH rxn--847.6 kJ/mol rxn. How much heat is released if 2.00 g of All S) reacts to completion? 0 432kJ 0 254 kJ 509 kJ 1870 kJ 2050 kJ 31.4 kJ 1690 kJ O 139 kJ
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)...
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.
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
5. Identify the following 4 reaction equations as decomposition, combustion, double displacement, combination, or single displacement. (4pts) a) Fe2O3(s) + 2Al(s) - 2Fe(s) + Al2O3(s) b) 2H20(1) → 2H2(g) + O2(g) c) C3H3(g) + 502(g) → 3C02(g) + 4H2O(g) d) LiOH(aq) + HNO3(aq) → LINO3(aq) + H2O(1)
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
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
3.(15pts) In each case, find the missing AH. (kJ/mole) (a) If 2 Al(s) + Fe2O3(s) ----> Al2O3(s) + 2 Fe(s) AH,xº = -851.5kJ/mol then 1/8 Al2O3(s) + 1/4 Fe(s) --> 1/4 Al(s) + 1/8 Fe2O3(s) AHX = ? (b) If CaO(8) + 3 C(s) --> CaC2(s) + CO(g) AH,” = 464,8 kJ/mol then 6 CaO(s) + 18 C(s) ---> 6 CaCz(s) +6 CO(g) AHX = ? (c) If N2(g) + 2 O2(g) ---> N204(g) and 2 NO2(g) ----> N2(g) +...