What is true about the following reaction at 25˚C? Cl₂(g) + 2BrF(g) ⇄ 2ClF(g) + Br₂(l)...
What is true about the following reaction at 25˚C? Cl₂(g) + 2BrF(g) ⇄ 2ClF(g) + Br₂(l) ΔHr°=79 kJ mol⁻¹ ΔSr°=-93.00 J mol⁻¹ K⁻¹ ΔGr°=106 kJ mol⁻¹ i. The reaction is endothermic. ii. As the reaction proceeds heat is transferred from the surroundings to the system.
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What is true about the following reaction at 25˚C? Cl₂(g) +
2BrF(g) ⇄ 2ClF(g) + Br₂(l)...
these Q make me crazy !!! pls help me Question 1 (1 point) What is the...
these Q make me crazy !!! pls help me
Question 1 (1 point) What is the change in enthalpy (in kJ mol) for the following reaction F,(9) + Cabr,(s) = Cap,(s) + Br,(1) 1) -112 kJmol 2) 504 kJmol 3) -504 kJmol 4) 537 kJmo?" 5) -537 kJmo" Question 2 (1 point) What is true about the following reaction at 25"c? F,(g) + 2HC1 (9) 2017() + H (9) Ahr®-76 kJ mol' Asr--10.13 J mol"K AGrº=79 kJ molt i. The...
Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following...
Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following is true? (Select all that apply) the reaction is endothermic heat is given off by the surroundings the reaction is exothermic heat is absorbed by the system the enthalpy of the products is less than the that of the reactants
Someone please help solving this asap thanks! 1. Calculate AE and determine whether the process is...
Someone please help solving this asap thanks!
1. Calculate AE and determine whether the process is exothermic or endothermic for the following cases: L. When a chemical reaction produces 90.7 kJ of heat but does no work on its surroundings. il. When combustion of a gas releases 2100U of heat to its surroundings. ii. When 33.05 kd of heat is transferred to the system and 22.0 kJ of work on the surroundings. Iv. When 121 kJ of work is performed...
What is Delta G in kJ for the reaction: Cl_2(g)+ 2 Br^- rightarrow Br_2(l) + 2...
What is Delta G in kJ for the reaction: Cl_2(g)+ 2 Br^- rightarrow Br_2(l) + 2 Cl^- if [Br^-] = 0.100, [Cl^-] = 0.50, and p(Cl_2) = 1.00 atm? The temperature 25 degree C.
25 Select True or False: For the reaction SbC15(9) — SbC13(g) + Cl2(g). AG f (SbC15)...
25 Select True or False: For the reaction SbC15(9) — SbC13(g) + Cl2(g). AG f (SbC15) = -334,34 kJ/mol AG°(SbC13) = -301.25 kJ/mol AHf (SbC15) = -394.34 kJ/mol AH°F (SbC13) = -313.80 kJ/mol This reaction proceeds spontaneously at 298 K and 1 atm pressure. True or False True False
At 25°C, the following heats of reaction are known: AH (kJ/mol 167.4 2CIF + 02 →Cl20...
At 25°C, the following heats of reaction are known: AH (kJ/mol 167.4 2CIF + 02 →Cl20 + F20 2ClF3 + 202 →Cl20+3F20 341.4 2F2 + 02 → 2F20 At the same temperature, calculate ΔH for the reaction: ClF + F2 → CIF3 -43.4 A. -217.5 kJ/mol B.-130.2 kJ/mol C. +217.5 kJ/mol ○ D.-108.7 kJ/mol E. none of these QUESTION 4 Consider the reaction: When a 12.9-g sample of ethyl alcohol(molar mass 46.07 g/mol) is burned, how much energy is released...
Calculate DH for the reaction BrCl(g) -----> Br(g) + Cl(g) Given Br2(l) -----> Br2(g) DH = 30.91...
Calculate DH for the reaction BrCl(g) -----> Br(g) + Cl(g) Given Br2(l) -----> Br2(g) DH = 30.91 kJ Br2(g) -----> 2Br(g) DH = 192.9 kJ Cl2(g) ------> 2Cl(g) DH = 243.4 kJ Br2(l) + Cl2(g) ----> 2BrCl(g) DH = 29.2 kJ
Two 20.0 g ice cubes at −14.0 ∘C are placed into 235 g of water at...
Two 20.0 g ice cubes at −14.0 ∘C are placed into 235 g of water at 25.0 ∘C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature, Tf, of the water after all the ice melts. heat capacity of H2O(s) 37.7 J/(mol⋅K) heat capacity of H2O(l) 75.3 J/(mol⋅K) enthalpy of fusion of H2O. 6.01 kJ/mol
1) C2H6 (g) -----> C2H4 (g) + H2 (g) ΔH1 = ? 2) C2H6 (g) +...
1) C2H6 (g) -----> C2H4 (g) + H2 (g) ΔH1 = ? 2) C2H6 (g) + 3.5O2 (g) -----> 2CO2 (g) + 3H2O (l) ΔH2 = -1560 kJ/mo 3) C2H4 (g) + 3O2 (g) -----> 2CO2 (g) + 2H2O (l) ΔH3 = -1411 kJ/mol 4) 2H2O (l) -----> 2H2 (g) + O2 (g) ΔH4 = 571.6 kJ/mol How much heat is transferred between the system and the surroundings when 25 grams of ethane (C2H6) decomposes to produce ethylene (C2H4) and...
Two 20.0 g ice cubes at −17.0 ∘C−17.0 ∘C are placed into 265 g265 g of...
Two 20.0 g ice cubes at −17.0 ∘C−17.0 ∘C are placed into 265 g265 g of water at 25.0 ∘C.25.0 ∘C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature, ?f,Tf, of the water after all the ice melts. Heat Capacity of H2O(s) 37.7 J/(mol K) Heat Capacity of H2O (l) 75.3 J/(mol K) Enthalpy of Fusion of H2O 6.01 kJ/mol
these Q make me crazy !!! pls help me
Question 1 (1 point) What is the change in enthalpy (in kJ mol) for the following reaction F,(9) + Cabr,(s) = Cap,(s) + Br,(1) 1) -112 kJmol 2) 504 kJmol 3) -504 kJmol 4) 537 kJmo?" 5) -537 kJmo" Question 2 (1 point) What is true about the following reaction at 25"c? F,(g) + 2HC1 (9) 2017() + H (9) Ahr®-76 kJ mol' Asr--10.13 J mol"K AGrº=79 kJ molt i. The...
Someone please help solving this asap thanks!
1. Calculate AE and determine whether the process is exothermic or endothermic for the following cases: L. When a chemical reaction produces 90.7 kJ of heat but does no work on its surroundings. il. When combustion of a gas releases 2100U of heat to its surroundings. ii. When 33.05 kd of heat is transferred to the system and 22.0 kJ of work on the surroundings. Iv. When 121 kJ of work is performed...
What is Delta G in kJ for the reaction: Cl_2(g)+ 2 Br^- rightarrow Br_2(l) + 2 Cl^- if [Br^-] = 0.100, [Cl^-] = 0.50, and p(Cl_2) = 1.00 atm? The temperature 25 degree C.
25 Select True or False: For the reaction SbC15(9) — SbC13(g) + Cl2(g). AG f (SbC15) = -334,34 kJ/mol AG°(SbC13) = -301.25 kJ/mol AHf (SbC15) = -394.34 kJ/mol AH°F (SbC13) = -313.80 kJ/mol This reaction proceeds spontaneously at 298 K and 1 atm pressure. True or False True False
At 25°C, the following heats of reaction are known: AH (kJ/mol 167.4 2CIF + 02 →Cl20 + F20 2ClF3 + 202 →Cl20+3F20 341.4 2F2 + 02 → 2F20 At the same temperature, calculate ΔH for the reaction: ClF + F2 → CIF3 -43.4 A. -217.5 kJ/mol B.-130.2 kJ/mol C. +217.5 kJ/mol ○ D.-108.7 kJ/mol E. none of these QUESTION 4 Consider the reaction: When a 12.9-g sample of ethyl alcohol(molar mass 46.07 g/mol) is burned, how much energy is released...
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