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19. Choose best answer from drop-down menu: 3 points Calculate Ecell for the reaction 2 given...
please do them all Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell...
please
do them all
Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell for the reaction 2 given the Ecell of reaction 1, Reaction 1: 2 Cr2+ + Cl2(g) → 2Cr3+ + 2C1 Reaction 2: Cr3+ + CH → Cr2+ + 1/2 Cl2(g) Ecell = 1.78 V Ecell = ? Choose 20. Choose best answer from drop-down menu: 2 points Consider the following standard reduction potentials in acid solution: E°(V) AP+ + 3e → Als) -1.66 AgBro+e...
17. Choose best answer from drop-down menu: 2 points Which of the following is true concerning...
17. Choose best answer from drop-down menu: 2 points Which of the following is true concerning a galvanic cell? Oxidation occurs at the anode and is where anions move towards Oxidation occurs at the cathode and is where anions move towards Oxidation occurs at the anode and is where cations move towards Oxidation occurs at the cathode and is where cations move towards Reduction occurs at the anode and is where anions move towards Choose 18. Choose best answer from...
23. Choose best answer from drop-down menu: 2 points As a result of alpha emission, the...
23. Choose best answer from drop-down menu: 2 points As a result of alpha emission, the product nucleus is Choose 24. Choose best answer from drop-down menu: 2 points When atoms of beryllium-9 are bombarded with alpha particles, neutrons are produced. What new isotope is also formed? He + Be on + - A) 12C B) Li C) 8Li D) 19B E) 1B Choose 25. Choose best answer from drop-down menu: 2 points Consider the reaction below: Cr3+ + H20+...
2. Choose best answer from drop-down menu: 2 points If AGº for a reaction is greater...
2. Choose best answer from drop-down menu: 2 points If AGº for a reaction is greater than zero, then Pick the choice that BEST fills in the blank. Choose 3. Choose best answer from drop-down menu: 2 points For a given reaction at equilibrium, AH = -19.9 kJ/mol and AS = -55.5 J/K-mol. The reaction will have at a temperature of Choose 4. Choose best answer from drop-down menu Consider a process for which AH = 211 kJ and AS...
answer all 28. Choose best answer from drop-down menu: 2 points What fraction of radioactive atoms...
answer all
28. Choose best answer from drop-down menu: 2 points What fraction of radioactive atoms remains in a sample after five half-lives? Choose 29. Choose best answer from drop-down menu: 2 points Which type of nuclear process requires an extremely high temperature (millions of degrees)? Choose 30. Choose best answer from drop-down menu: 2 points The decay of tin-110 (Sn) by electron capture yields: Choose
26. Choose best answer from drop-down menu: 2 points Radium-226 decays by alpha emission. What is...
26. Choose best answer from drop-down menu: 2 points Radium-226 decays by alpha emission. What is its decay product? B) 486 A) 229Fr C) 230Th 2264 D) E) 234Po Choose 27. Choose best answer from drop-down menu: 2 points Which is a balanced nuclear equation representing the beta emission of iodine-131? A) " 131 53 131 541 Xe + OB 131 151 Sb + He 33 B) C) 331 + B 131 Te 52 131 D) 1 13, Te +...
Use the information, below, to answer the next two (2) questions. Half-reaction (V) Cl2 + 2e + 2 C1° 1.36 Ag+ + e - Ag...
Use the information, below, to answer the next two (2) questions. Half-reaction (V) Cl2 + 2e + 2 C1° 1.36 Ag+ + e - Ag 0.80 Fe3+ + e + Fe2+ 0.77 Cu2+ + 2e - Cu 0.34 Ni2+ + 2e → Ni -0.25 A13+ + 3e + Al -1.66 (1) Which of the following species will oxidize Ni but not Ag? Cl2 O A13+ O Cu2+ O Cu Fe2+ Submit Answer Tries 0/2 (ii) Which of the following is...
Find the best reducing agent from Cu+, Ag+ F2 and Fe3+ #1. In the reduction table...
Find the best reducing agent from Cu+, Ag+ F2 and Fe3+
#1. In the reduction table i can see several repeated values of
Fe3+ one is equal to 0.77v and the second one is equal to -0.036v
so, which one do I choose? Please explain.
#2.If I'm asked to find the best oxidation agent, from the
values already provided (Cu+, Ag+ F2 and Fe3+) which one would it
be? and how would I decide from repeated values, like in #1,...
When the half reaction below is balanced in an acidic solution, how many water molecules are...
When the half reaction below is balanced in an acidic solution, how many water molecules are added and to which side? 12 → 103- Choose 12. Choose best answer from drop-down menu: 2 points Consider the following reaction: 2Fe2+ + Cu2+ 2Fe3+ + Cu When the reaction comes to equilibrium, what is the cell voltage? Fe++ e - Fe2 ER = 0.77 V ER = 0.34 V Cu2+ + 2e → Cu Choose
1. How do I read the half reaction table? 2. If im asked for the best...
1. How do I read the half reaction table?
2. If im asked for the best reducing agent from Cu+, Ag+, F2, and
Fe3+, where do I look first in the table? before the arrow or after
the arrow?
3. Sometimes a value that has originally a positive (V) from the
table it will have the negative sign in a homework problem, and
viceversa, so the question is, how do I use the positive and
negative signs in respect to...
please
do them all
Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell for the reaction 2 given the Ecell of reaction 1, Reaction 1: 2 Cr2+ + Cl2(g) → 2Cr3+ + 2C1 Reaction 2: Cr3+ + CH → Cr2+ + 1/2 Cl2(g) Ecell = 1.78 V Ecell = ? Choose 20. Choose best answer from drop-down menu: 2 points Consider the following standard reduction potentials in acid solution: E°(V) AP+ + 3e → Als) -1.66 AgBro+e...
17. Choose best answer from drop-down menu: 2 points Which of the following is true concerning a galvanic cell? Oxidation occurs at the anode and is where anions move towards Oxidation occurs at the cathode and is where anions move towards Oxidation occurs at the anode and is where cations move towards Oxidation occurs at the cathode and is where cations move towards Reduction occurs at the anode and is where anions move towards Choose 18. Choose best answer from...
23. Choose best answer from drop-down menu: 2 points As a result of alpha emission, the product nucleus is Choose 24. Choose best answer from drop-down menu: 2 points When atoms of beryllium-9 are bombarded with alpha particles, neutrons are produced. What new isotope is also formed? He + Be on + - A) 12C B) Li C) 8Li D) 19B E) 1B Choose 25. Choose best answer from drop-down menu: 2 points Consider the reaction below: Cr3+ + H20+...
2. Choose best answer from drop-down menu: 2 points If AGº for a reaction is greater than zero, then Pick the choice that BEST fills in the blank. Choose 3. Choose best answer from drop-down menu: 2 points For a given reaction at equilibrium, AH = -19.9 kJ/mol and AS = -55.5 J/K-mol. The reaction will have at a temperature of Choose 4. Choose best answer from drop-down menu Consider a process for which AH = 211 kJ and AS...
answer all
28. Choose best answer from drop-down menu: 2 points What fraction of radioactive atoms remains in a sample after five half-lives? Choose 29. Choose best answer from drop-down menu: 2 points Which type of nuclear process requires an extremely high temperature (millions of degrees)? Choose 30. Choose best answer from drop-down menu: 2 points The decay of tin-110 (Sn) by electron capture yields: Choose
26. Choose best answer from drop-down menu: 2 points Radium-226 decays by alpha emission. What is its decay product? B) 486 A) 229Fr C) 230Th 2264 D) E) 234Po Choose 27. Choose best answer from drop-down menu: 2 points Which is a balanced nuclear equation representing the beta emission of iodine-131? A) " 131 53 131 541 Xe + OB 131 151 Sb + He 33 B) C) 331 + B 131 Te 52 131 D) 1 13, Te +...
Use the information, below, to answer the next two (2) questions. Half-reaction (V) Cl2 + 2e + 2 C1° 1.36 Ag+ + e - Ag 0.80 Fe3+ + e + Fe2+ 0.77 Cu2+ + 2e - Cu 0.34 Ni2+ + 2e → Ni -0.25 A13+ + 3e + Al -1.66 (1) Which of the following species will oxidize Ni but not Ag? Cl2 O A13+ O Cu2+ O Cu Fe2+ Submit Answer Tries 0/2 (ii) Which of the following is...
Find the best reducing agent from Cu+, Ag+ F2 and Fe3+
#1. In the reduction table i can see several repeated values of
Fe3+ one is equal to 0.77v and the second one is equal to -0.036v
so, which one do I choose? Please explain.
#2.If I'm asked to find the best oxidation agent, from the
values already provided (Cu+, Ag+ F2 and Fe3+) which one would it
be? and how would I decide from repeated values, like in #1,...
When the half reaction below is balanced in an acidic solution, how many water molecules are added and to which side? 12 → 103- Choose 12. Choose best answer from drop-down menu: 2 points Consider the following reaction: 2Fe2+ + Cu2+ 2Fe3+ + Cu When the reaction comes to equilibrium, what is the cell voltage? Fe++ e - Fe2 ER = 0.77 V ER = 0.34 V Cu2+ + 2e → Cu Choose
1. How do I read the half reaction table?
2. If im asked for the best reducing agent from Cu+, Ag+, F2, and
Fe3+, where do I look first in the table? before the arrow or after
the arrow?
3. Sometimes a value that has originally a positive (V) from the
table it will have the negative sign in a homework problem, and
viceversa, so the question is, how do I use the positive and
negative signs in respect to...
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