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3: 100 99 Consider the reaction 2A(g) + 3B2(g)...
Under what conditions will the following reaction be the most product-favored? N2O(g) + NO2(g) <==> 3...
Under what conditions will the following reaction be the most product-favored? N2O(g) + NO2(g) <==> 3 NO(g) ; H = + 156 kJ A. low pressure, low temperature B. high pressure, low temperature C. high pressure, high temperature D. low pressure, high temperature
NEED ANSWERS ASAP PLZ QUESTION 4 AH° = -560 kJ Look at this reaction: 2H2(g) +...
NEED ANSWERS ASAP PLZ
QUESTION 4 AH° = -560 kJ Look at this reaction: 2H2(g) + O2(g) --> 2H20(1) Which one of the following statements is true? O Heat is absorbed during the reaction O The reaction is endothermic O The enthalpy change is positive O This reaction is exothermic QUESTION 3 If AH = 25 J for a certain process, that process O releases heat O is exothermic. O is endothermic. O can't tell
4. At a certain temperature, the reaction: 2NO(g) + Bra(e) 2NOBr(g), has k, = 3.20 x...
4. At a certain temperature, the reaction: 2NO(g) + Bra(e) 2NOBr(g), has k, = 3.20 x 10-2 If the partial pressures of NO and Bry at equilibrium are 3.70 atm and 1.85 atm, respectively, what is the partial pressure of NOBr at equilibrium? (A) 0.219 atm (B) 0.810 atm (C) 0.900 atm (D) 28.1 atm 5. For the reaction: N2(g) + 3H2(g) + 2NH3(g), K = 0.062 at 523 K. What is the value of the equilibrium constant Ko at...
5. Consider the following reaction: CzHs (g) → C2H4 (g) + H2 (g) AH® is +137...
5. Consider the following reaction: CzHs (g) → C2H4 (g) + H2 (g) AH® is +137 kJ/mol and AS is +120 J/K.mol. List the conditions under which this reaction is spontaneous and/or non-spontaneous. Justify your assignment (don't give exact numbers; all, high, and/or low temperature is enough)
8) Consider the following reaction at equilibrium: 2002(g) = 2CO(g) + O2(g) AH = -514 kJ...
8) Consider the following reaction at equilibrium: 2002(g) = 2CO(g) + O2(g) AH = -514 kJ chateliers principle predicts that the equilibrium partial pressure of Colg) can be maximized by carrying out the reaction a) at high temperature and high pressure. b at high temperature and low pressure. c at low temperature and low pressure. dy at low temperature and high pressure. e) in the presence of solid carbon. 9) A substance that is capable of acting as both an...
Chemistry midterm help please! <3 7. What is the difference between the AU and AH of...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a....
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a. Is this reaction spontaneous? Explain. b. Predict the sign of AS. Explain. C. Based on your answer to part b, is this reaction exothermic or endothermic? Explain. For the reaction N2(g) + 3H2(g) 2NH3 (8) a. Using values in Appendix Cin your book, calculate AHⓇ and AS. b. Assuming that AHºand ASº don't change with temperature, calculate the value for AG at 400K Is...
Consider the following equilibrium, for which Delta H < 0 (exothermic reaction): 2 SO_2(g) + O_2(g)...
Consider the following equilibrium, for which Delta H < 0 (exothermic reaction): 2 SO_2(g) + O_2(g) 2 SO_3(g) How will each of the following changes affect an equilibrium mixture of the three gases: (a) Oxygen is added to the system. (b) the reaction mixture is heated. (c) the volume of the reaction vessel is doubled. (d) the total pressure of the system is increased by adding a noble gas. You must explain your reasoning on each case.
Again, consider the exothermic reaction, with K=3.00: 2A(aq) + B(g) ⇌ C(aq) + D(g) With initial c...
Again, consider the exothermic reaction, with K=3.00: 2A(aq) + B(g) ⇌ C(aq) + D(g) With initial concentrations of [A] = 0.5M, [B] = 2.0M, [C] = 1.0M, and [D] = 1.5M. For each of the following disruptions, predict weather the reaction will go forward (toward products), reverse (towards reactants), or be unchanged. a) [A] increased to 2.0M b) Pressure doubled. c) Volume of solution doubled by dilution. d) The temperature is increased by 100.0oC (15.83 from text) When 1.50mol CO2...
3.(5pts)) Consider the thermochemical reaction: 3 CIF(g) + 3F.(g) ---->3 CIF,(g) AHºrn = ? Use the...
3.(5pts)) Consider the thermochemical reaction: 3 CIF(g) + 3F.(g) ---->3 CIF,(g) AHºrn = ? Use the following data to determine the value of the missing quantity in the above equation. 6 CIF(g) + 3 O2(g) ----->3 ClO(g) + 3 F 0(g) 2 CIF3(g) + 2 02(8) -----> CLO(g) + 3 F.0() 2 F2(g) + O2(g) -------> 2 F.O(g) AH AH° AH - 502.2 kJ/mol 341.4 kJ/mol = -43.4 kJ/mol
NEED ANSWERS ASAP PLZ
QUESTION 4 AH° = -560 kJ Look at this reaction: 2H2(g) + O2(g) --> 2H20(1) Which one of the following statements is true? O Heat is absorbed during the reaction O The reaction is endothermic O The enthalpy change is positive O This reaction is exothermic QUESTION 3 If AH = 25 J for a certain process, that process O releases heat O is exothermic. O is endothermic. O can't tell
4. At a certain temperature, the reaction: 2NO(g) + Bra(e) 2NOBr(g), has k, = 3.20 x 10-2 If the partial pressures of NO and Bry at equilibrium are 3.70 atm and 1.85 atm, respectively, what is the partial pressure of NOBr at equilibrium? (A) 0.219 atm (B) 0.810 atm (C) 0.900 atm (D) 28.1 atm 5. For the reaction: N2(g) + 3H2(g) + 2NH3(g), K = 0.062 at 523 K. What is the value of the equilibrium constant Ko at...
5. Consider the following reaction: CzHs (g) → C2H4 (g) + H2 (g) AH® is +137 kJ/mol and AS is +120 J/K.mol. List the conditions under which this reaction is spontaneous and/or non-spontaneous. Justify your assignment (don't give exact numbers; all, high, and/or low temperature is enough)
8) Consider the following reaction at equilibrium: 2002(g) = 2CO(g) + O2(g) AH = -514 kJ chateliers principle predicts that the equilibrium partial pressure of Colg) can be maximized by carrying out the reaction a) at high temperature and high pressure. b at high temperature and low pressure. c at low temperature and low pressure. dy at low temperature and high pressure. e) in the presence of solid carbon. 9) A substance that is capable of acting as both an...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a. Is this reaction spontaneous? Explain. b. Predict the sign of AS. Explain. C. Based on your answer to part b, is this reaction exothermic or endothermic? Explain. For the reaction N2(g) + 3H2(g) 2NH3 (8) a. Using values in Appendix Cin your book, calculate AHⓇ and AS. b. Assuming that AHºand ASº don't change with temperature, calculate the value for AG at 400K Is...
Consider the following equilibrium, for which Delta H < 0 (exothermic reaction): 2 SO_2(g) + O_2(g) 2 SO_3(g) How will each of the following changes affect an equilibrium mixture of the three gases: (a) Oxygen is added to the system. (b) the reaction mixture is heated. (c) the volume of the reaction vessel is doubled. (d) the total pressure of the system is increased by adding a noble gas. You must explain your reasoning on each case.
3.(5pts)) Consider the thermochemical reaction: 3 CIF(g) + 3F.(g) ---->3 CIF,(g) AHºrn = ? Use the following data to determine the value of the missing quantity in the above equation. 6 CIF(g) + 3 O2(g) ----->3 ClO(g) + 3 F 0(g) 2 CIF3(g) + 2 02(8) -----> CLO(g) + 3 F.0() 2 F2(g) + O2(g) -------> 2 F.O(g) AH AH° AH - 502.2 kJ/mol 341.4 kJ/mol = -43.4 kJ/mol
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