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81. Given the following data Ca(s) + 2C(graphite) → CaC2(s) AH-62.8 kJ Ca(s) + cao(s) +...
2. (10 pts) Given the following data Ca(s)2C(graphite)CaC2(s) -62.8 kJ OH635.5 Ca(s)1/202(g) CaO(s) kJ CaO(s)H20()- Ca(OH)2(aq)...
2. (10 pts) Given the following data Ca(s)2C(graphite)CaC2(s) -62.8 kJ OH635.5 Ca(s)1/202(g) CaO(s) kJ CaO(s)H20()- Ca(OH)2(aq) OH 653.1 kJ 2CO2(g)H2O(l OH1300 C2H2(g)5/202(g) kJ C(graphite) O2(g)CO2(g) H= -393.5 kJ calculateH for the reaction (show your work for full credit) CaC2(s)+ 2H20()- Ca(OH)2(aq) CH2(g)
Consider the following data: DeltaH (kj) Ca(s) + 2C(graphite)----> CaC2 (s) -62.8 Ca(s) + 1/2 O2...
Consider the following data: DeltaH (kj) Ca(s) + 2C(graphite)----> CaC2 (s) -62.8 Ca(s) + 1/2 O2 (g) -----> CaO (s) -635.5 CaO (s) + H2O(l) ----->Ca(OH)2 (aq) -653.1 C2H2(g)+ 5/2 O2(g)---->2CO2(g)+H2O(l) -1300 C(graphite)+ O2(g)---->CO2(g) -393.51 Use Hess' law to find the change in enthalpy at 25oC for this equation: CaC2(s)+2H2O(l)-----> Ca(OH)2 (aq)+ C2H2(g)
e. -1135 Given the following reactions: CaCO3 (s)-> Cao (s) + CO2 (g) C (s, graphite)...
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
8. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following...
8. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data and the standard enthalpy changes listed, calculate the AHOc for CaC2(s). (2 points) CaC2(s) +2H20(1) -> Ca(OH)2(s) C2H2(g) AH.2 kJ AH kJ/mol) H2O(g) -241.82 H20(1) -285.83 Ca(OH)2(s)--986.2 C2H2(g) +226.77
4. (3 points) Consider the following enthalpies of reaction: CaCz(s) + 2H20 (Ca(OH)2(s) + CH2(g) AH,º=-127.9...
4. (3 points) Consider the following enthalpies of reaction: CaCz(s) + 2H20 (Ca(OH)2(s) + CH2(g) AH,º=-127.9 kJ/mol Cas) + 1/20 (g) - Cao(s) AH,º=-635.1 kJ/mol Cal(s) + H200 - Ca(OH) (9) AH,=-65.2 kJ/mol The standard enthalpies of combustion of graphite and C2H2(g) are -393.51 and -1299.58 kJ/mol, respectively. Calculate the standard enthalpy of formation of CaCz(s) at 25°C. Aside on enthalpy of combustion: Please note that the standard enthalpy of combustion will form H200, not H:09), if the substance includes...
Part A Several reactions and their standard reaction enthalpies at 298.15 K are given here: AH...
Part A Several reactions and their standard reaction enthalpies at 298.15 K are given here: AH (kJ · mol-?) CaC2 (s) + 2H2O(1) + Ca(OH)2 (s) + C2H2 (g) –127.9 Ca(s) + O2(g) → Cao(s) CaO(s) +H2O(1) + Ca(OH)2(s) -65.2 -635.1 The standard enthalpies of combustion of graphite and C2H2(g) are –393.51 and — 1299.58 kJ · mol-? respectively. Calculate the standard enthalpy of formation of CaC2(s) at 25°C. Express your answer to one decimal place and include the appropriate...
Use the values of AH; to calculate AF® for the following reactions. Substance and State AH(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
need help to solve it. thx! Write you answers on separate paper. Show your work for...
need help to solve it. thx!
Write you answers on separate paper. Show your work for full credit. Include the version by your name. Given the following data Ca(s)+2C(graphite) → Cac, (s) AH = -62.8 kJ Ca(s)+10,(g)>CaO(s) AH; = -634.9 kJ Cao(s)+H,0(1) + Ca(OH), (aq) AH; = -653.1 kJ C,H,(g)+{0,(8) ► 200,(g)+H,0(1) AH; =-1300.2 kJ C(graphite) +0,(g) → CO2(g) AH; = -393.5 kJ calculate AH for the reaction Cac (s)+2H,0(1) Ca(OH), (aq)+C,H,(8) Using standard enthalpies of formation along with the...
Given the following equations and AH' values: C(s) + O2(g) + CO2(g) AH = -393.5 kJ...
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
16. Given the following reactions CaCO3 (s) → CaO (s) + CO2 (g) ΔH°=178.1 kJ
16. Given the following reactions CaCO3 (s) → CaO (s) + CO2 (g) ΔH°=178.1 kJ C(s, graphite) + O2 (g) → CO2 (g) ΔH°=-393.5 k According to Hess's Law, what is the enthalpy of the reaction (k) for CaCO3(s) → CaO (s)+C(s. graphite) +O2(g)? -571.6 -215.4 5716 215.4 701.2 Question 17 According to the definition of standard enthalpy of formation, ΔH°, which of the following's ΔH° is zero? Question 18Given the data in the table below, calculate the ΔH°rxn (kJ) for the reaction 4NH3(g)+5O2 (g) → 4NO (g)+6H2O (I)
2. (10 pts) Given the following data Ca(s)2C(graphite)CaC2(s) -62.8 kJ OH635.5 Ca(s)1/202(g) CaO(s) kJ CaO(s)H20()- Ca(OH)2(aq) OH 653.1 kJ 2CO2(g)H2O(l OH1300 C2H2(g)5/202(g) kJ C(graphite) O2(g)CO2(g) H= -393.5 kJ calculateH for the reaction (show your work for full credit) CaC2(s)+ 2H20()- Ca(OH)2(aq) CH2(g)
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
8. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data and the standard enthalpy changes listed, calculate the AHOc for CaC2(s). (2 points) CaC2(s) +2H20(1) -> Ca(OH)2(s) C2H2(g) AH.2 kJ AH kJ/mol) H2O(g) -241.82 H20(1) -285.83 Ca(OH)2(s)--986.2 C2H2(g) +226.77
4. (3 points) Consider the following enthalpies of reaction: CaCz(s) + 2H20 (Ca(OH)2(s) + CH2(g) AH,º=-127.9 kJ/mol Cas) + 1/20 (g) - Cao(s) AH,º=-635.1 kJ/mol Cal(s) + H200 - Ca(OH) (9) AH,=-65.2 kJ/mol The standard enthalpies of combustion of graphite and C2H2(g) are -393.51 and -1299.58 kJ/mol, respectively. Calculate the standard enthalpy of formation of CaCz(s) at 25°C. Aside on enthalpy of combustion: Please note that the standard enthalpy of combustion will form H200, not H:09), if the substance includes...
Part A Several reactions and their standard reaction enthalpies at 298.15 K are given here: AH (kJ · mol-?) CaC2 (s) + 2H2O(1) + Ca(OH)2 (s) + C2H2 (g) –127.9 Ca(s) + O2(g) → Cao(s) CaO(s) +H2O(1) + Ca(OH)2(s) -65.2 -635.1 The standard enthalpies of combustion of graphite and C2H2(g) are –393.51 and — 1299.58 kJ · mol-? respectively. Calculate the standard enthalpy of formation of CaC2(s) at 25°C. Express your answer to one decimal place and include the appropriate...
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
need help to solve it. thx!
Write you answers on separate paper. Show your work for full credit. Include the version by your name. Given the following data Ca(s)+2C(graphite) → Cac, (s) AH = -62.8 kJ Ca(s)+10,(g)>CaO(s) AH; = -634.9 kJ Cao(s)+H,0(1) + Ca(OH), (aq) AH; = -653.1 kJ C,H,(g)+{0,(8) ► 200,(g)+H,0(1) AH; =-1300.2 kJ C(graphite) +0,(g) → CO2(g) AH; = -393.5 kJ calculate AH for the reaction Cac (s)+2H,0(1) Ca(OH), (aq)+C,H,(8) Using standard enthalpies of formation along with the...
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
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