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(d) 1.9 151 For reaction Cl2(g) +...
POTENTIALLY MULTIPLE CORRECT ANSWERS ( 1 ) [6] At the same temperature and pressure, consider reactions (1) A+B → 2C...
POTENTIALLY MULTIPLE CORRECT ANSWERS
( 1 ) [6] At the same temperature and pressure, consider reactions (1) A+B → 2C, and (2) A+B+C, what is the relationship between their standard free energy changes and equilibrium constants? (a) AG] =2AG2, ki = K2 (b) AG1 = 2AG2, K1 = (K2)2 (c) AG = AG2, K1 = (K2) (d) AG = AG2, k = K2 [7] Which of the following is true about light? (a) Light is a wave and a particle...
POTENTIALLY MULTIPLE CORRECT ANSWERS FOR EACH Which of the following is correct? (a) Exothermic reactions are spontaneou...
POTENTIALLY MULTIPLE CORRECT ANSWERS FOR EACH Which of the following is correct? (a) Exothermic reactions are spontaneous (b) Reactions with ∆S > 0 are spontaneous (c) For reactions with increasing number of moles, ∆S > 0 (d) When ∆H > 0, ∆S > 0, with increasing temperature, ∆G will decrease Which reaction of the following measured at the standard condition gives ∆G◦f (CO2(g))? (a) CO(g) + C(s) → CO2 (g) (b) CO(g)+1/2O2(g)→CO2(g)2 (c) C(s)+O2(g)→CO2(g) (d) 2C(s)+2O2(g)→2CO2(g) When a reaction reaches...
9. By increasing the pressure on increasing the pressure on the equilibrium system for the reaction...
9. By increasing the pressure on increasing the pressure on the equilibrium system for the reaction 2H S (g) → 2H2(g) + S2(g) The equilibrium position is shifted towards a direction : A) right and the value of K decreases B) right and the value of K is established C) left and increase the value of K D) left and the value of K is established. 10. When adding 0.22 mol of ozone to this reaction: NO(g) +O3(g) NO2(g) +...
Q(22) Kp=Kc when? A) The reaction is at equilibrium B) The reaction is exothermic C) The reaction is endothermic D)...
Q(22) Kp=Kc when? A) The reaction is at equilibrium B) The reaction is exothermic C) The reaction is endothermic D) all of the gasses present are at the same temperature E) the number of moles of gas on both sides of the balanced equation is the same. Q(23) HAH +A at the equilibrium (HA) = 1.65* 10-2 M and [H") = (A-) = 5.44*10-4 M at equilibrium. Kc = A) 1.7 X 10-1 C) 1.7 X 103 D) 1.7 X...
The equilibrium constant, Kp, for the following reaction is 1.57 at 600 K: CO(g) + Cl2(g)...
The equilibrium constant, Kp, for the following reaction is 1.57 at 600 K: CO(g) + Cl2(g) COCl2(g) Calculate the equilibrium partial pressures of all species when CO and Cl2, each at an intitial partial pressure of 1.70 atm, are introduced into an evacuated vessel at 600 K. PCO = atm PCl2 = atm PCOCl2 = atm B. The equilibrium constant, Kc, for the following reaction is 2.90×10-2 at 1150 K. 2SO3(g) 2SO2(g) + O2(g) Calculate Kc at this temperature for...
Q(18) NI(CO)49) - Ni(s) + 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium...
Q(18) NI(CO)49) - Ni(s) + 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to A) Shift toward the products B) Shift toward the reactants C) remain unchanged D) increase the temperature E) it depends on the amount added Q(19) CO2 + H2 -CO + H2O Adding a catalyst to this reaction will cause the COD at equilibrium to A) Shift toward the products B) Shift toward the reactants C) remain unchanged D) increase the temperature E) it...
please explain how you got your answers Multiple Choice Please write your name as it appears...
please explain how you got your answers
Multiple Choice Please write your name as it appears on UAOnline. Each question is worth 5 points each. Identify the choice or fill in the blank that best completes the statement or answers the question. Always show your work! 1. Write out equilibrium constant expression (K) for the following reaction: Co (CO),(s) 2Co (aq) + 300, (aq) 2. Calculate K, for the following reaction given the equilibrium concentrations of IPCI: [PCG) = 1.2...
MULTIPLE CHOICE. Cether of the core circled, and one of which is correct half credit will...
MULTIPLE CHOICE. Cether of the core circled, and one of which is correct half credit will be given 12 circled, and CHOICE. Circle the and 1. Which of the following statements concerning mis on A) A system that is disturbed from an gurumo responds in a to restore equilibrium B) Equilibrium in molecular systems is dynamic with two opposing process balancing one another ) The value of the equilibrium constant for a diven reaction mode is the same regardless of...
please verify if this is correct. thanks 3. One student performed an experiment in which ammonia was allowed to diss...
please verify if this is correct. thanks
3. One student performed an experiment in which ammonia was allowed to dissociate producing nitrogen gas and hydrogen gas. Equilibrium concentrations of the three species were INH:] = 0.157 M. [N2) = 0.921 M and [Hz] =0.763 M. 2 NH3(g) + N2(g) + 3 H2(g) a) What is the equilibrium expression for this reaction? K-[N] [Hz] b) Calculate the value of the equilibrium constant, Ke. K. (0.921) (0.763m} (0.157 (K = 16.6 c)...
Q(17) Which species is amphiprotic? A) H3PO4 C) PO43- D) None of these B) H2PO4 Q(18)...
Q(17) Which species is amphiprotic? A) H3PO4 C) PO43- D) None of these B) H2PO4 Q(18) Ni(CO)4(g)Nis)+ 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to C) remain unchanged E) it depends on the amount added B) Shift toward the reactants A) Shift toward the products D) increase the temperature Q(19) CO2 H2 CO + H20 Adding a catalyst to this reaction will cause the [CO] at equilibrium to A) Shift toward the products C) remain unchanged...
POTENTIALLY MULTIPLE CORRECT ANSWERS
( 1 ) [6] At the same temperature and pressure, consider reactions (1) A+B → 2C, and (2) A+B+C, what is the relationship between their standard free energy changes and equilibrium constants? (a) AG] =2AG2, ki = K2 (b) AG1 = 2AG2, K1 = (K2)2 (c) AG = AG2, K1 = (K2) (d) AG = AG2, k = K2 [7] Which of the following is true about light? (a) Light is a wave and a particle...
9. By increasing the pressure on increasing the pressure on the equilibrium system for the reaction 2H S (g) → 2H2(g) + S2(g) The equilibrium position is shifted towards a direction : A) right and the value of K decreases B) right and the value of K is established C) left and increase the value of K D) left and the value of K is established. 10. When adding 0.22 mol of ozone to this reaction: NO(g) +O3(g) NO2(g) +...
Q(22) Kp=Kc when? A) The reaction is at equilibrium B) The reaction is exothermic C) The reaction is endothermic D) all of the gasses present are at the same temperature E) the number of moles of gas on both sides of the balanced equation is the same. Q(23) HAH +A at the equilibrium (HA) = 1.65* 10-2 M and [H") = (A-) = 5.44*10-4 M at equilibrium. Kc = A) 1.7 X 10-1 C) 1.7 X 103 D) 1.7 X...
Q(18) NI(CO)49) - Ni(s) + 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to A) Shift toward the products B) Shift toward the reactants C) remain unchanged D) increase the temperature E) it depends on the amount added Q(19) CO2 + H2 -CO + H2O Adding a catalyst to this reaction will cause the COD at equilibrium to A) Shift toward the products B) Shift toward the reactants C) remain unchanged D) increase the temperature E) it...
please explain how you got your answers
Multiple Choice Please write your name as it appears on UAOnline. Each question is worth 5 points each. Identify the choice or fill in the blank that best completes the statement or answers the question. Always show your work! 1. Write out equilibrium constant expression (K) for the following reaction: Co (CO),(s) 2Co (aq) + 300, (aq) 2. Calculate K, for the following reaction given the equilibrium concentrations of IPCI: [PCG) = 1.2...
MULTIPLE CHOICE. Cether of the core circled, and one of which is correct half credit will be given 12 circled, and CHOICE. Circle the and 1. Which of the following statements concerning mis on A) A system that is disturbed from an gurumo responds in a to restore equilibrium B) Equilibrium in molecular systems is dynamic with two opposing process balancing one another ) The value of the equilibrium constant for a diven reaction mode is the same regardless of...
please verify if this is correct. thanks
3. One student performed an experiment in which ammonia was allowed to dissociate producing nitrogen gas and hydrogen gas. Equilibrium concentrations of the three species were INH:] = 0.157 M. [N2) = 0.921 M and [Hz] =0.763 M. 2 NH3(g) + N2(g) + 3 H2(g) a) What is the equilibrium expression for this reaction? K-[N] [Hz] b) Calculate the value of the equilibrium constant, Ke. K. (0.921) (0.763m} (0.157 (K = 16.6 c)...
Q(17) Which species is amphiprotic? A) H3PO4 C) PO43- D) None of these B) H2PO4 Q(18) Ni(CO)4(g)Nis)+ 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to C) remain unchanged E) it depends on the amount added B) Shift toward the reactants A) Shift toward the products D) increase the temperature Q(19) CO2 H2 CO + H20 Adding a catalyst to this reaction will cause the [CO] at equilibrium to A) Shift toward the products C) remain unchanged...
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