can you please help.me answer these two questions please? I am really desperate and in need of help.
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can you please help.me answer these two questions
please? I am really desperate and in need...
can you please help.me answer these three questions please? I am really desperate and in need...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 10 Consider the galvanic cell that uses Ni2+ (aq) /Ni (s) and Al3+ (aq)/Al(s) electrodes. Ni2+(aq) + 2e - Ni(s) Ered = -0.257 V Al3+(aq) + 3e Al(s) Eºred = -1.676 V Calculate AG° 0 -273.9 kJ ho O-821.6 kJ 0 -410.8 kJ +821.6 kJ O +273.9 kJ Question 11 Consider the galvanic cell that uses Ni2+ (aq) /Ni (s) and...
can you please help.me answer these three questions please? I am really desperate and in need...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 1 Consider the following reaction: Al(s) + Fe2+ (aq) —— A13+ (aq) + Fe (s) When this redox equation is balanced, the coefficient in front of Fe (s) is 0 03 04 Question 2 Consider the following redox reaction in acidic solution: BrO3 + N2H4 Br + N2 When this redox equation is balanced, the coefficient in front of N2 is...
can you please help.me answer these three questions please? I am really desperate and in need...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 7 Consider the following cell diagram: Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s) Going from left to right represents the flow of charge, while || represents O positive, the salt bridge O negative, the salt bridge o positive, a phase boundary o negative, a phase boundary Question 8 Consider the galvanic cell that uses Ni2+ (aq) /Ni (s) and Al3+ (aq)...
can you please help.me answer these two questions please? I am really desperate and in need...
can you please help.me answer these two questions
please? I am really desperate and in need of help.
Question 31 3 pt The nucleus of the chlorine 37 atom contains 17 protons and 20 neutrons. If you add up the masses of 17 individual protons and 20 individual neutrons you would find that the mass of the nucleus of the chlorine-37 atom is the mass of the 17 individual protons and 20 individual neutrons. more than o the same as...
can you please help.me answer these three questions please? I am really desperate and in need...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 16 3 pts Electrolysis of a solution containing Al(NO3)3 (s) to give aluminum metal is carried out using a current of 2.12 A for 4.9 hours. How many grams of aluminum metal will be formed? O 0.25 g O 3.5 g O 1.87 g O 44.09 g O 5,655 g Question 22 in + ? 92Kr + 141Ba + 3 in...
help please asap 3 Question 44 (1 point) What is the standard Gibbs free energy change...
help please asap
3 Question 44 (1 point) What is the standard Gibbs free energy change for the reaction below? 2 Au + 3 Mn2+ - 2 Au3+ + 3 Mn % reaction Ered (V) AU3+ + 30 - Au +1.50 Mn2+ + 2e -- Mn -1.18 +185 kJ 0-517 kJ 0-185 kJ -1.55 x 103 kJ +517 kJ none of these +1.55 x 103 kJ Question 43 (1 point) Which of the following statements are TRUE about an electrochemical...
please help as soon as possible ergent Question 44 (1 point) What is the standard Gibbs...
please help as soon as possible ergent
Question 44 (1 point) What is the standard Gibbs free energy change for the reaction be 3 Ca2+ + 2 Au 2 AuJ+3 cd % reaction Erea (V) -1.50 Au. 3 Au Cd2+ + 2e-Cd -0.40 +637 kJ +367 kJ 0-637 kJ 0-367 kJ O+1.10 x 10 kg 0-1.10 x 103 kJ none of these Question 43 (1 point) Which of the following statements are FALSE about an electrochemical cell? (Select all that...
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...
please answer all questions for rate. thank you :) For the following equation: MnO4 (aq) +...
please answer all questions for rate. thank you :)
For the following equation: MnO4 (aq) + Ca(s) → MnO2(s) + Ca?*(aq) Standard Reduction Potential values: Mno. MnO2 = 1.68 V Ca? / Ca = -2.76 V (1) Write balanced half-reaction equations for oxidation and reduction (2) Write the balanced equation for the overall redox reaction (3) Use the two balanced half-reactions and standard reduction potential values to construct a spontaneous galvanic cell, and write the cell notation for the galvanic...
can you please help me solve these four questions? I'm a little desperate to finish them....
can you please help me solve these four questions? I'm
a little desperate to finish them.
Part A Calculate the osmotic pressure (in atm) of a solution formed by dissolving 25.0 mg of aspirin CoH904 (molar mass = 180.2 g/mol) in 0.250 L of water at 25.0°C. [R = 0.08206 L-atm/mol K] o 1.14 x 10-3 atm O 13.6 atm 0 2.45 atm 03.58 atm 0 0.0136 atm Item 17 Given the value of the equilibrium constant for the first...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 10 Consider the galvanic cell that uses Ni2+ (aq) /Ni (s) and Al3+ (aq)/Al(s) electrodes. Ni2+(aq) + 2e - Ni(s) Ered = -0.257 V Al3+(aq) + 3e Al(s) Eºred = -1.676 V Calculate AG° 0 -273.9 kJ ho O-821.6 kJ 0 -410.8 kJ +821.6 kJ O +273.9 kJ Question 11 Consider the galvanic cell that uses Ni2+ (aq) /Ni (s) and...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 1 Consider the following reaction: Al(s) + Fe2+ (aq) —— A13+ (aq) + Fe (s) When this redox equation is balanced, the coefficient in front of Fe (s) is 0 03 04 Question 2 Consider the following redox reaction in acidic solution: BrO3 + N2H4 Br + N2 When this redox equation is balanced, the coefficient in front of N2 is...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 7 Consider the following cell diagram: Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s) Going from left to right represents the flow of charge, while || represents O positive, the salt bridge O negative, the salt bridge o positive, a phase boundary o negative, a phase boundary Question 8 Consider the galvanic cell that uses Ni2+ (aq) /Ni (s) and Al3+ (aq)...
can you please help.me answer these two questions
please? I am really desperate and in need of help.
Question 31 3 pt The nucleus of the chlorine 37 atom contains 17 protons and 20 neutrons. If you add up the masses of 17 individual protons and 20 individual neutrons you would find that the mass of the nucleus of the chlorine-37 atom is the mass of the 17 individual protons and 20 individual neutrons. more than o the same as...
can you please help.me answer these three questions
please? I am really desperate and in need of help.
Question 16 3 pts Electrolysis of a solution containing Al(NO3)3 (s) to give aluminum metal is carried out using a current of 2.12 A for 4.9 hours. How many grams of aluminum metal will be formed? O 0.25 g O 3.5 g O 1.87 g O 44.09 g O 5,655 g Question 22 in + ? 92Kr + 141Ba + 3 in...
help please asap
3 Question 44 (1 point) What is the standard Gibbs free energy change for the reaction below? 2 Au + 3 Mn2+ - 2 Au3+ + 3 Mn % reaction Ered (V) AU3+ + 30 - Au +1.50 Mn2+ + 2e -- Mn -1.18 +185 kJ 0-517 kJ 0-185 kJ -1.55 x 103 kJ +517 kJ none of these +1.55 x 103 kJ Question 43 (1 point) Which of the following statements are TRUE about an electrochemical...
please help as soon as possible ergent
Question 44 (1 point) What is the standard Gibbs free energy change for the reaction be 3 Ca2+ + 2 Au 2 AuJ+3 cd % reaction Erea (V) -1.50 Au. 3 Au Cd2+ + 2e-Cd -0.40 +637 kJ +367 kJ 0-637 kJ 0-367 kJ O+1.10 x 10 kg 0-1.10 x 103 kJ none of these Question 43 (1 point) Which of the following statements are FALSE about an electrochemical cell? (Select all that...
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...
please answer all questions for rate. thank you :)
For the following equation: MnO4 (aq) + Ca(s) → MnO2(s) + Ca?*(aq) Standard Reduction Potential values: Mno. MnO2 = 1.68 V Ca? / Ca = -2.76 V (1) Write balanced half-reaction equations for oxidation and reduction (2) Write the balanced equation for the overall redox reaction (3) Use the two balanced half-reactions and standard reduction potential values to construct a spontaneous galvanic cell, and write the cell notation for the galvanic...
can you please help me solve these four questions? I'm
a little desperate to finish them.
Part A Calculate the osmotic pressure (in atm) of a solution formed by dissolving 25.0 mg of aspirin CoH904 (molar mass = 180.2 g/mol) in 0.250 L of water at 25.0°C. [R = 0.08206 L-atm/mol K] o 1.14 x 10-3 atm O 13.6 atm 0 2.45 atm 03.58 atm 0 0.0136 atm Item 17 Given the value of the equilibrium constant for the first...
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