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Question 28 (1 point) What voltaic cell can be constructed to yield...
please help as soon as possible ergent Question 28 (1 point) What voltaic cell can be...
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Question 28 (1 point) What voltaic cell can be constructed to yield the most positive standard cell potential using the materials available in the table? 1/2 Reaction E° (V Cu2+ + 2 e Cu +0.34 Cr3+ + 3 e Cr -0.41 Ag+ + e Ag +0.80 - Ag|Ag (1.0 M)||Cr3+(1.0 M) Cr Cu Cu2+(1.0 M)||Ag (1.0 M)|Ag O Cr/Cr3+(1.0 M)||Ag*(1.0 M)|Ag O Cr/Cr3+(1.0 M)||Cu2+(1.0 M)||Cu Question 29 (1 point) formal charge on nitrogen...
answer both If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22...
answer both
If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22 mol of O2 at 2000°C, what is (NO) after the reaction establishes equilibrium? (Kc - 0.10 at 2000°C) N2(g) + O2(8) 2NO(g) 1) 0.034 M 2) 0.060 M 3) 0.079 M 4) 0.12 M Question 34 (1 point) For the reaction of CH3NC(8) CH3CN(8) Kc = 11 What is the equilibrium concentration of CH3CN if the flask initially contains only 0.56 M CH3CN?
please help with question four and five 3. For the reaction PbCl2 (6) Pb2+ + 2CV,...
please help with question four and five
3. For the reaction PbCl2 (6) Pb2+ + 2CV, what is the value of the equilibrium constant if [Pb 2+] = 0.0022 M and (CI) is 0.027 M? [P621] = 0.002am kc [Pb2+] [...] [cr] =0.027m [PbCl2 (s) [pbela (s)]= Ke=0.0022x10.02222 4. The equilibrium constant for the reaction of nitrogen and hydrogen to produce ammonia is = 1.6.x10-6 0.094 M? at 450°C. If [N2) =0,012 M and [H2] = 0.42 M at equilibrium,...
Hi can someone help me with these questions, Thank you: Question 8 (1 point) The standard...
Hi can someone help me with these questions, Thank you:
Question 8 (1 point) The standard potential of the cell Ni(s) Ni2+(aq) || Cl(aq) AgCl(s) Ag(s) is +0.45 V at 25°C. If the standard reduction potential of the AgCl|Ag|Ci couple is +0.22 V, calculate the standard reduction potential of the Ni2+INi couple. -0.45 V +0.23 V -0.67 v +0.67 v 0 -0.23 V Question 6 (1 point) The standard reduction potential of the Br2/Brand Sna/Sn couples are +1.07 and -0.14...
Question 8 (1 point) Which of these reactions will proceed spontaneously, based on relative strength of...
Question 8 (1 point) Which of these reactions will proceed spontaneously, based on relative strength of reducing agents? Cu(s) + Fe2+ (aq) Cu2+ (aq) + Fe(s) Al(s) + Ca2+(aq) A13+ (aq) + Cals) Cr(s) + Zn2+(aq) Cr3+ (aq) + Zn(s) Al(s) + Ca2+ (aq) A/3+ "(aq) + Ca(s) Ba(s) + • Ca2+ (aq) --> Ba2+ (aq) + Ca(s)
Question 18 1 pts Which of the following statements best describes the reaction shown as all...
Question 18 1 pts Which of the following statements best describes the reaction shown as all four substances are mixed in a sealed container at an initial concentration of 0.10 M. CO(g) + H2O(g) + CO2(g) + H2(E) K-0.6944 The reaction will proceed toward products and favors products at equilibrium. The reaction will proceed toward products and favors reactants at equilibrium The reaction will proceed towards reactants and favors products at equilibrium. The reaction will proceed towards reactants and favors...
Please help. No need for deep explanation just write the correct answer QUESTION 8 Which of...
Please help. No need for deep explanation just write
the correct answer
QUESTION 8 Which of the following statements is true? Dissolving NH4Cl in pure water produces a basic pH Dissolving KCl in pure water produces a basic pH Dissolving KCl in pure water produces an acidic pH Dissolving NH4Cl in pure water produces an acidic pH QUESTION 9 What is the pH of a 1.0*10 MHI solution? HI is a strong acid. (Hint: the pH is not 9.0) pH...
Question 1 (1 point) The cell diagram for the reaction in which hydrogen gas reduces Cu2+(aq)...
Question 1 (1 point) The cell diagram for the reaction in which hydrogen gas reduces Cu2+(aq) is O Pt(s) | H2(8)| H+(aq) || Cu2+(aq) | Cu(s) O Pt(s) | Cu2+(aq), H+(aq) || H2(g) | Pt(s) Opt(s) | Cu2+(aq) | H2(8) || H+(aq) | Pt(s) O Cu(s) | Cu2+(aq) || Ht(aq)| H2(g) | Pt(s) O Cu(s) | Cu2+(aq) || 02(E) | H2(g) | Pt(s)
help me pleaseee Question 24 (1 point) A substance (A) reacts to form another substance (B):...
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Question 24 (1 point) A substance (A) reacts to form another substance (B): 3 A(g) = 2 B(8) The reaction is run at a particular temperature with the concentrations of A and B monitored over time and plotted in the graph. At what time was equilibrium first reached and what is the approximate value of the equilibrium constant? 2.0 16 IR [B] concentration/M 10 08 0.6 0.4 0.2 0.0 0 [A] 10 20 60 70 80 90...
help asap please Question 45 (1 point) What is the cell potential (in V) for the...
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Question 45 (1 point) What is the cell potential (in V) for the reaction described by the cell notation shown below if the temperature is 25 °C? Show all work to be turned in. Work should include the balanced redox reaction. Ni (s) I Ni2+ (0.67 M) || Cut (0.042 M) i Cu (s) V2 reaction Ered (V) Cut + e +0.52 Your Answer: Ni2+ + 2e Ni -0.23 - Cu Answer
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Question 28 (1 point) What voltaic cell can be constructed to yield the most positive standard cell potential using the materials available in the table? 1/2 Reaction E° (V Cu2+ + 2 e Cu +0.34 Cr3+ + 3 e Cr -0.41 Ag+ + e Ag +0.80 - Ag|Ag (1.0 M)||Cr3+(1.0 M) Cr Cu Cu2+(1.0 M)||Ag (1.0 M)|Ag O Cr/Cr3+(1.0 M)||Ag*(1.0 M)|Ag O Cr/Cr3+(1.0 M)||Cu2+(1.0 M)||Cu Question 29 (1 point) formal charge on nitrogen...
answer both
If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22 mol of O2 at 2000°C, what is (NO) after the reaction establishes equilibrium? (Kc - 0.10 at 2000°C) N2(g) + O2(8) 2NO(g) 1) 0.034 M 2) 0.060 M 3) 0.079 M 4) 0.12 M Question 34 (1 point) For the reaction of CH3NC(8) CH3CN(8) Kc = 11 What is the equilibrium concentration of CH3CN if the flask initially contains only 0.56 M CH3CN?
please help with question four and five
3. For the reaction PbCl2 (6) Pb2+ + 2CV, what is the value of the equilibrium constant if [Pb 2+] = 0.0022 M and (CI) is 0.027 M? [P621] = 0.002am kc [Pb2+] [...] [cr] =0.027m [PbCl2 (s) [pbela (s)]= Ke=0.0022x10.02222 4. The equilibrium constant for the reaction of nitrogen and hydrogen to produce ammonia is = 1.6.x10-6 0.094 M? at 450°C. If [N2) =0,012 M and [H2] = 0.42 M at equilibrium,...
Hi can someone help me with these questions, Thank you:
Question 8 (1 point) The standard potential of the cell Ni(s) Ni2+(aq) || Cl(aq) AgCl(s) Ag(s) is +0.45 V at 25°C. If the standard reduction potential of the AgCl|Ag|Ci couple is +0.22 V, calculate the standard reduction potential of the Ni2+INi couple. -0.45 V +0.23 V -0.67 v +0.67 v 0 -0.23 V Question 6 (1 point) The standard reduction potential of the Br2/Brand Sna/Sn couples are +1.07 and -0.14...
Question 8 (1 point) Which of these reactions will proceed spontaneously, based on relative strength of reducing agents? Cu(s) + Fe2+ (aq) Cu2+ (aq) + Fe(s) Al(s) + Ca2+(aq) A13+ (aq) + Cals) Cr(s) + Zn2+(aq) Cr3+ (aq) + Zn(s) Al(s) + Ca2+ (aq) A/3+ "(aq) + Ca(s) Ba(s) + • Ca2+ (aq) --> Ba2+ (aq) + Ca(s)
Question 18 1 pts Which of the following statements best describes the reaction shown as all four substances are mixed in a sealed container at an initial concentration of 0.10 M. CO(g) + H2O(g) + CO2(g) + H2(E) K-0.6944 The reaction will proceed toward products and favors products at equilibrium. The reaction will proceed toward products and favors reactants at equilibrium The reaction will proceed towards reactants and favors products at equilibrium. The reaction will proceed towards reactants and favors...
Please help. No need for deep explanation just write
the correct answer
QUESTION 8 Which of the following statements is true? Dissolving NH4Cl in pure water produces a basic pH Dissolving KCl in pure water produces a basic pH Dissolving KCl in pure water produces an acidic pH Dissolving NH4Cl in pure water produces an acidic pH QUESTION 9 What is the pH of a 1.0*10 MHI solution? HI is a strong acid. (Hint: the pH is not 9.0) pH...
Question 1 (1 point) The cell diagram for the reaction in which hydrogen gas reduces Cu2+(aq) is O Pt(s) | H2(8)| H+(aq) || Cu2+(aq) | Cu(s) O Pt(s) | Cu2+(aq), H+(aq) || H2(g) | Pt(s) Opt(s) | Cu2+(aq) | H2(8) || H+(aq) | Pt(s) O Cu(s) | Cu2+(aq) || Ht(aq)| H2(g) | Pt(s) O Cu(s) | Cu2+(aq) || 02(E) | H2(g) | Pt(s)
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Question 24 (1 point) A substance (A) reacts to form another substance (B): 3 A(g) = 2 B(8) The reaction is run at a particular temperature with the concentrations of A and B monitored over time and plotted in the graph. At what time was equilibrium first reached and what is the approximate value of the equilibrium constant? 2.0 16 IR [B] concentration/M 10 08 0.6 0.4 0.2 0.0 0 [A] 10 20 60 70 80 90...
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Question 45 (1 point) What is the cell potential (in V) for the reaction described by the cell notation shown below if the temperature is 25 °C? Show all work to be turned in. Work should include the balanced redox reaction. Ni (s) I Ni2+ (0.67 M) || Cut (0.042 M) i Cu (s) V2 reaction Ered (V) Cut + e +0.52 Your Answer: Ni2+ + 2e Ni -0.23 - Cu Answer
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