For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)? a) Li(s)+12F2(l)→LiF(s)...

For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)? a) Li(s)+12F2(l)→LiF(s) b) H2(g)+12O2(g)→H2O(g) c)2H2(g)+O2(g)→2H2O(g) d) 2Li(s)+F2(g)→2LiF(s) e) Li(s)+12F2(g)→LiF(s) f) H2O2(g)→12O2(g)+H2O(g)

Expert Solution

queen_honey_blossom answered 2 years ago

Part A: For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)?...

Part A: For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)? You do not need to look up any values to answer this question. 2Li(s)+F2(g)→2LiF(s) S(s)+O2(g)→SO2(g) Li(s)+12F2(g)→LiF(s) SO(g)+12O2(g)→SO2(g) SO3(g)→12O2(g)+SO2(g) Li(s)+12F2(l)→LiF(s) Part B: The combustion of propane, C3H8, occurs via the reaction C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) with heat of formation values given by the following table: Substance ΔH∘f (kJ/mol) C3H8 (g) -104.7 CO2(g) −393.5 H2O(g) −241.8 Calculate the enthalpy for the combustion of 1 mole of propane.

For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)? You do...

For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)? You do not need to look up any values to answer this question. Check all that apply. Hints Check all that apply. S(s)+O2(g)→SO2(g) SO(g)+12O2(g)→SO2(g) Li(s)+12Cl2(l)→LiCl(s) Li(s)+12Cl2(g)→LiCl(s) SO3(g)→12O2(g)+SO2(g) 2Li(s)+Cl2(g)→2LiCl(s)

For which of the following reactions is ?H?rxn equal to ?H?f of the product(s)? You do...

For which of the following reactions is ?H?rxn equal to ?H?f of the product(s)? You do not need to look up any values to answer this question. Check all that apply. SO(g)+12O2(g)?SO2(g) 2Na(s)+F2(g)?2NaF(s) Na(s)+12F2(g)?NaF(s) S(s)+O2(g)?SO2(g) Na(s)+12F2(l)?NaF(s) SO3(g)?12O2(g)+SO2(g)

Select the processes that are expected to be exothermic: a. Li+(g) + F-(g) --> LiF (s)...

Select the processes that are expected to be exothermic: a. Li+(g) + F-(g) --> LiF (s) b. Ca2+(g) + 2e- --> Ca (g) c. CaBr2(s) --> Ca (s) + Br2(g) d. S (g) +2e- --> S2-(g) e. Fe (l) --> Fe (s) f. Fe (s) --> Fe (g)

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. State whether...

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C?2CH4(g)→C2H6(g)+H2(g), Calculate ΔS∘rxn at 25 ∘C. 2NH3(g)→N2H4(g)+H2(g) Calculate ΔS∘rxn at 25 ∘C. N2(g)+O2(g)→2NO(g) Calculate ΔS∘rxn at 25 ∘C. 2KClO3(s)→2KCl(s)+3O2(g) Calculate ΔS∘rxn at 25 ∘C.

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, ΔG∘rxn at 25 ∘C. State whether or...

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, ΔG∘rxn at 25 ∘C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C? a) 2CH4(g)→C2H6(g)+H2(g) b) 2NH3(g)→N2H4(g)+H2(g) c) N2(g)+O2(g)→2NO(g) d) 2KClO3(s)→2KCl(s)+3O2(g) Can you please show equations. I am having so much trouble with these.

For which of the following reactions is Δ H ∘ rxn equal to Δ H ∘...

For which of the following reactions is Δ H ∘ rxn equal to Δ H ∘ f of the product(s)? You do not need to look up any values to answer this question. Check all that apply. Check all that apply. BaC O 3 (s)→BaO(s)+C O 2 (g) C(s,graphite)+ O 2 (g)→C O 2 (g) CO(g)+ 1 2 O 2 (g)→C O 2 (g) 2Na(s)+ F 2 (g)→2NaF(s) Na(s)+ 1 2 F 2 (l)→NaF(s) Na(s)+ 1 2 F 2 (g)→NaF(s)...

Which of the following reactions would you predict to be spontaneous at all temperatures (assuming ΔH°rxn...

Which of the following reactions would you predict to be spontaneous at all temperatures (assuming ΔH°rxn does not change significantly with temperature)? H2S(g) + 2O2(g) → H2SO4(l) ΔH°rxn = –793 kJ/mol 2Ag(s) + 3N2(g) → 2AgN3(s) ΔH°rxn = +1240 kJ/mol C6H6(l) + 3H2(g) → C6H12(l) ΔH°rxn = –207 kJ/mol Na2CO3(s) + 2HCl(aq) → 2NaCl(aq) + H2O(l) + CO2(g) ΔH°rxn = –834 kJ/mol CaCO3(s) → CaO(s) + O2(g) ΔH°rxn = +179 kJ/mol

1)For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. 3H2(g)+Fe2O3(s)→2Fe(s)+3H2O(g) N2(g)+3H2(g)→2NH3(g)...

1)For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. 3H2(g)+Fe2O3(s)→2Fe(s)+3H2O(g) N2(g)+3H2(g)→2NH3(g) 2)Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00×10−2M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray? 3)A student placed 11.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve...

Calculate the change in Gibbs free energy for each of the following sets of ΔH∘rxn, ΔS∘rxn,...

Calculate the change in Gibbs free energy for each of the following sets of ΔH∘rxn, ΔS∘rxn, and T. (Assume that all reactants and products are in their standard states.) Part A ΔH∘rxn=−84kJ, ΔS∘rxn=−157J/K, T=302K Express your answer as an integer. Part B ΔH∘rxn=−84kJ, ΔS∘rxn=−157J/K, T=860K Express your answer as an integer. Part C ΔH∘rxn=84kJ, ΔS∘rxn=−157J/K, T=302K Express your answer as an integer. Part D ΔH∘rxn=−84kJ, ΔS∘rxn=157J/K, T=398K Express your answer as an integer.

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