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Question 6 3 pts Which term describes the energy that is associated with the relative positions...
For the decomposition reaction shown below of one mole of nitrosyl chloride, NOCI(g), AH°rxn = 38...
For the decomposition reaction shown below of one mole of nitrosyl chloride, NOCI(g), AH°rxn = 38 kJ/mol. What is the heat of reaction for the reverse reaction? NOCI(g) - NO(g) + 42C12(8) O 62 kJ/mol 38 kJ/mol O 100. kJ/mol -38 kJ/mol O 76 kJ/mol
Question 57 Energy that is associated with the relative positions of electrons and nuclei in atoms...
Question 57 Energy that is associated with the relative positions of electrons and nuclei in atoms and molecules is called O thermal energy O chemical energy O potential energy. kinetic energy
PLEASE ANSWER BOTH QUESTIONS PLEASE ! 19. (5 pts.) At 79.00°F the enthalpy of a reaction...
PLEASE ANSWER BOTH QUESTIONS PLEASE !
19. (5 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole and its entropy change was +395.0 J/mole*K. The value of the Gibb's free energy is: (a) +341.0 KJ/mole (b)_-461.0 KJ/mole (C) -341.0 KJ/mole (d) +224.6 KJ/mole 20. (5 pts.) The reaction between nitric oxide (NO) and chlorine (Cl2) to form nitrosyl chloride (NOCI) was found to occur as an elementary reaction as follows: 2 NO (g) + Cl2...
DV 18. For the formation of 1 mol of nitrosyl chloride at a given temperature, AH...
DV 18. For the formation of 1 mol of nitrosyl chloride at a given temperature, AH -36 kJ. NO(g) + Cl2(g) → NOCI(8) The activation energy for this reaction is 84 kJ/mol. What is the activation energy for the reverse reaction? A) -36 kJ/mol B) 48 kJ/mol C) 84 kJ/mol D) 120 kJ/mol E) -120 kJ/mol 19. The rate constant for a first-order reaction is 1.8 x 10° s at 736 K and 4.0 x 10s at 836 K. What...
3 and 4 3. (4pts) Nitrosyl chloride (NOCI) decomposes at elevated temperatures according to the equation...
3 and 4
3. (4pts) Nitrosyl chloride (NOCI) decomposes at elevated temperatures according to the equation below; 2NOC (g) 2NO(g) + Cl2(g) Calculate K, for this reaction at 227°C. (AH° = 81.2 kJ/mol, ASⓇ = 128 J/K mol) Ans: notipo e shi Eta 4.(4pts) Complete and balance the following redox reaction under acidic conditions: Mno. (aq) + C20/2" (aq) Mn?"(aq) + CO2(aq) (Write clearly! Especially your final answers!)
1. 2. Question 10 1 pts The graphs show potential energy diagrams for the same reaction...
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2.
Question 10 1 pts The graphs show potential energy diagrams for the same reaction at T-900. K R P 1) uncatalysed process; 2) catalysed reaction Uncatalyzed Reaction 400 300 reactants 200 100 products Reaction coordinate Uncatalysed reaction: Potential Energy (P.E.) vs reaction coordinate. Energy is measured from O to 400. kJ, and the reaction coordinate is associated with the evolution of the reaction. The PE of the reactants is 225 kJ. Then the energy grows to 400. kJ,...
QUESTION 1 According to the following reaction, how much energy is evolved during the reaction of...
QUESTION 1 According to the following reaction, how much energy is evolved during the reaction of 325gB2H6 and 725902? The moler mass of 2 He is 27 67 g/mol B2He(g) + 6 Cl2(g) - 2 BC13(g) + 6HCl(G) AH*rxn = 1396 KJ 238 kJ 1640 kJ 3070 kJ 1430
Use the References to access Important values if needed for this question. The following thermochemical equation...
Use the References to access Important values if needed for this question. The following thermochemical equation is for the reaction of hydrogen(g) with chlorine(g) to form hydrogen chloride(g). H2(g) + Cl2(g) 2HCl(g) AH--185 kJ/mol-rxn How many grams of H2(g) would have to react to produce 44.6 kJ of energy? of energy? grams Submit Answer Retry Entire Group 8 more group attempts remaining
Question 17 3 pts Using standard molar enthalpies of formation given in the table below, calculate...
Question 17 3 pts Using standard molar enthalpies of formation given in the table below, calculate AH/xnto one decimal place, for the combustion of ammonia: AHrxn° = E nAH (products) - E mAHt"reactants) 4 NH3(g) + 7 O2(g) → 4NO2(g) + 6H2O(1) molecule AHF (kJ/mol-rxn) NH3(g) -45.9 NO2(g) +33.1 H2O(1) -285.8 H2O(9) -241.8 - 1663.6 kJ/mol-rxn +30.24 kJ/mol-rxn -1398.8 kJ/mol-rxn -298.6 kJ/mol-rxn -206.9 kJ/mol-rxn Question 11 3 pts A gas absorbs 45 kJ of heat and does 29 kJ of...
Question 1 For the reaction 2N2O5 → 4NO2 + O2, Ea = 100 kJ/mol and ΔH...
Question 1 For the reaction 2N2O5 → 4NO2 + O2, Ea = 100 kJ/mol and ΔH = -23 kJ/mol. What is the activation energy for the reverse reaction? Group of answer choices -123 kJ/mol 77 kJ/mol 100 kJ/mol 123 kJ/mol -100 kJ/mol Question 2 For the reaction between nitrogen(II) oxide and chlorine to produce nitrosyl chloride, 2NO + Cl2→2NOCl, it is found that tripling the concentration of both reactants increases the rate by a factor of 27. If only the...
For the decomposition reaction shown below of one mole of nitrosyl chloride, NOCI(g), AH°rxn = 38 kJ/mol. What is the heat of reaction for the reverse reaction? NOCI(g) - NO(g) + 42C12(8) O 62 kJ/mol 38 kJ/mol O 100. kJ/mol -38 kJ/mol O 76 kJ/mol
Question 57 Energy that is associated with the relative positions of electrons and nuclei in atoms and molecules is called O thermal energy O chemical energy O potential energy. kinetic energy
PLEASE ANSWER BOTH QUESTIONS PLEASE !
19. (5 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole and its entropy change was +395.0 J/mole*K. The value of the Gibb's free energy is: (a) +341.0 KJ/mole (b)_-461.0 KJ/mole (C) -341.0 KJ/mole (d) +224.6 KJ/mole 20. (5 pts.) The reaction between nitric oxide (NO) and chlorine (Cl2) to form nitrosyl chloride (NOCI) was found to occur as an elementary reaction as follows: 2 NO (g) + Cl2...
DV 18. For the formation of 1 mol of nitrosyl chloride at a given temperature, AH -36 kJ. NO(g) + Cl2(g) → NOCI(8) The activation energy for this reaction is 84 kJ/mol. What is the activation energy for the reverse reaction? A) -36 kJ/mol B) 48 kJ/mol C) 84 kJ/mol D) 120 kJ/mol E) -120 kJ/mol 19. The rate constant for a first-order reaction is 1.8 x 10° s at 736 K and 4.0 x 10s at 836 K. What...
3 and 4
3. (4pts) Nitrosyl chloride (NOCI) decomposes at elevated temperatures according to the equation below; 2NOC (g) 2NO(g) + Cl2(g) Calculate K, for this reaction at 227°C. (AH° = 81.2 kJ/mol, ASⓇ = 128 J/K mol) Ans: notipo e shi Eta 4.(4pts) Complete and balance the following redox reaction under acidic conditions: Mno. (aq) + C20/2" (aq) Mn?"(aq) + CO2(aq) (Write clearly! Especially your final answers!)
1.
2.
Question 10 1 pts The graphs show potential energy diagrams for the same reaction at T-900. K R P 1) uncatalysed process; 2) catalysed reaction Uncatalyzed Reaction 400 300 reactants 200 100 products Reaction coordinate Uncatalysed reaction: Potential Energy (P.E.) vs reaction coordinate. Energy is measured from O to 400. kJ, and the reaction coordinate is associated with the evolution of the reaction. The PE of the reactants is 225 kJ. Then the energy grows to 400. kJ,...
QUESTION 1 According to the following reaction, how much energy is evolved during the reaction of 325gB2H6 and 725902? The moler mass of 2 He is 27 67 g/mol B2He(g) + 6 Cl2(g) - 2 BC13(g) + 6HCl(G) AH*rxn = 1396 KJ 238 kJ 1640 kJ 3070 kJ 1430
Use the References to access Important values if needed for this question. The following thermochemical equation is for the reaction of hydrogen(g) with chlorine(g) to form hydrogen chloride(g). H2(g) + Cl2(g) 2HCl(g) AH--185 kJ/mol-rxn How many grams of H2(g) would have to react to produce 44.6 kJ of energy? of energy? grams Submit Answer Retry Entire Group 8 more group attempts remaining
Question 17 3 pts Using standard molar enthalpies of formation given in the table below, calculate AH/xnto one decimal place, for the combustion of ammonia: AHrxn° = E nAH (products) - E mAHt"reactants) 4 NH3(g) + 7 O2(g) → 4NO2(g) + 6H2O(1) molecule AHF (kJ/mol-rxn) NH3(g) -45.9 NO2(g) +33.1 H2O(1) -285.8 H2O(9) -241.8 - 1663.6 kJ/mol-rxn +30.24 kJ/mol-rxn -1398.8 kJ/mol-rxn -298.6 kJ/mol-rxn -206.9 kJ/mol-rxn Question 11 3 pts A gas absorbs 45 kJ of heat and does 29 kJ of...
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