Given 2Al(s) + (3/2)02(g) → Al2O3(s), AH°F = -1,670 kJ/mol for Al2O3 (s). Determine AH® for...
Given 2Al(s) + (3/2)O2(g) → Al2O3(s), AH°f = –1,670 kJ/mol for Al2O3 (s). Determine AH° for the reaction 3Al2O3(s) →6Al(s) + (9/2)02(g). Write answer to three significant figures. Numeric Response
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
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.
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...
2Al(s) + 3Cl2(8) - 2AICI,(s) AH =? Use the reactions here to determine the AH' for reaction : ® HCI(g) — HCl(aq) AH;, = -74.8 kJ (a) Hz(8) + C1>(- 2HCl(8) AH) = -185 kJ M AICI;(aq) - AICI,(s) AH = +323 kJ/mol M 2Al(s) + 6HCl(aq) - 2AICI,(aq) + 3H2(g) AH = -10:49 J
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
Given H2S(9)+3F2(9) – SF4(9)+2HF(9) AHbona (H-S)=+347 kJ/mol AH bond(F-F)=+155 kJ/mol AH bond(S-F)=+327 kJ/mol AH bona(H-F)=+567 kJ/mol Determine the enthalpy of the gas phase reaction (AH).
Find AH®rxn for the reaction 2Ag2S(s) + 2H2O(0) - 4Ag(s) + 2H2S(g) + O2(g). [AH°F (Ag2S(s)) = -326 kJ/mol; AH+ (H2S(g)) = -20.5 kJ/mol; AHT (H2000) = -285.5 kJ/mol] O 575.2 kJ/mol 0 565.2 kJ/mol O None of the above O 585.2 kJ/mol 0 595.2 kJ/mol
Use the values of AH; to calculate AF® for the following reactions. Substance and State AH(kJ/mol) C2H5OH(1) -278 02(9) CO2(9) -393.5 H2O(9) -242 H2O(1) -286 Ticu (9) -736 TiO2(8) _945 H+ (aq) Cl(aq) -167 NiO(s) -241 Ni(OH)2(s) -538 0 + (g) - (g) + он до ос AH = kJ b. TiCl4 (9) + 2H20(1) + TiO2 (s) + 4HCl(aq) AH° = c. NiO(s) + H2O(l) + Ni(OH)2(s) AH° = kJ