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Sr (9) +C (graphite) + 3/2026) - SCO3(s) Use these reactions to determine AH for the...
19. Calculate AH° for the conversion of graphite into diamond from the following thermochemical equations. C(s, graphite) + O2(g) — C(s, diamond) + O2(g) CO2(g) AH° = -393.5 kJ + CO2(g) AH' = -395.9 kJ e uso -395.9 kJ +393.5 kJ -789.4 kJ +2.4 kJ -2.4 kJ
Determine the enthalpy change for C(graphite) + O2(g) → CO2(g); AH= ? using the following three thermochemical equations, which will be referred to as reactions (A), (B), and (C). (A) Sro(s) + CO2(g) → SCO3(s);AH = -234 kJ (B) 2Sro(s) → 25r(s) + O2(g); AH= 1184 kJ (C) 2SrCO3(s) — 25r(s) + 2C(graphite) + 302(g); AH= 2440 kJ The value for AH = List what action you performed on each equation to achieve your goal. Equation (A) was Equation (B)...
e. -1135 Given the following reactions: CaCO3 (s)-> Cao (s) + CO2 (g) C (s, graphite) + O2 (g)-> Co2 (g) AH-393.5 kJ the enthalpy of the reaction CaCO3 (s) -> CaO (s) + C (s, graphite) + O2 (g) ΔH = 178.1 kJ is kJ Select one: 4 a. 7.01 x 10 b. 571.6 ) c. 215.4 d. -215.4 ie. -571.6 Check Given the data in the table below, AH for the reaction
Given these reactions, X(s) + +0,8) — XO(S) XCO,(s) — XO(s) + CO2(9 what is AH for this reaction? AH = -656.1 kJ/mol AH = +351.7 kJ/mol X(s) +0,() + CO2(g) — XCO,() AHL kJ/mol
Use the information provided to determine AH°rxn for the following reaction: AHºf (kJ/mol) 3 Fe2O3(s) + CO(g) → 2 Fe3O4(s) + CO2(9) AH°rxn = ? Fe2O3(s) 1 -824 Fe3O4(s)| -1118 CO(g) - 111 CO2(g) -394 0 +277 kJ 0 -111 kJ 0 -577 kJ 0 -47 kJ 0 +144 kJ Submit Request Answer
Given the following equations and AH' values: C(s) + O2(g) + CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) - H20 (1) AH = -285.8 kJ 2C2H2 (8) + 5O2(g) + 4CO2(g) + 2H20 (1) AH'= -2598 kJ Determine the heat of reaction (in kJ) at 298 K for the reaction: 2C(s) + H2(8) C2H2 (8) 0-136.8 0-219.8 0-109.9 O-167.1 +226.2
3. Calculate the enthalpy of formation of carbon dioxide in the following reaction: C(s) + O2 (g) – CO2 (g) 213 Use the following equations: a) H20 (0) -- H2(g) + 103() AH',- +285.8 kJ/mol b) CH. (g) -2C (s) + 3H2(g) AH:- +84.7 kJ/mol c) 2CO2(g) +3H() - CH.(g) + (7/2) O, (g) AH,- +1560.7 kJ/mol
1.(3pts) Use the following data to determine the AH... of 2 CHO(1) + 21 Og) --> 14 COMg) + 16 HẠO(g) Substance AH(kJ/mol) Substance AH?(kJ/mol Data: C Hag) CH,OH(L) C.H.O(1) CH, O) H.O(g) CO(g) O.(g) 20.9 -239.0 -277.0 -316 0 -241.82 -110.53 C.H.(5) CH,OH(g) C3H20 (1) C-HBO(l) H.O(1) CO; N (8) -104,0 -201.0 -298.6 -340.0 -285.83 -393.51 2.(2pts) If you are given 338,0 g 0 () and a sufficient amount of the other reactant, calculate the heat associated with reaction...
Calculate AH for the following reaction, CaO(s) + CO2(g) CaCO3(s) given the thermochemical equations below. 2 Ca(s) + O2(g) + 2 Cao(s) AH = -1270.2 kJ C(s) + O2(g) CO2(g) AH = -393.5 kJ 2 Ca(s) + 2 C(s) + 3 O2(g) → 2 CaCO3(s) AH = -2413.8 kJ 0-750.1 kJ O +350.2 kJ 0 -178.3 kJ O +2870.6 kJ
Using the equations below: C(s) + O2(g) → CO2(g) AH = -390 KJ Mn(s) + O2(g) → MnO2(s) AH = -520 KJ What is the AH (in K)) for the following reaction? MnO2(s) + C(s) + Mn(s) + CO2(g) : AH = ? Hint: Use Hess's law O A. 910 KJ B. -130 KJ C. 130 KJ OD. -910 KJ