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1. (3 points) Complete each of the following reactions. a. 0Fe decays through negatron emission, what...
1. Write balanced equations for the following nuclear reactions: a) Naturally occurring thorium-232 undergoes a decay....
1. Write balanced equations for the following nuclear reactions: a) Naturally occurring thorium-232 undergoes a decay. b) Chlorine-36 undergoes electron capture. c) Oxygen-15 undergoes positron emission. Plan: Write a skeleton equation; balance the number of neutrons and charges; solve for the unknown nuclide. 2. Problem: Predict the mode of decay of a) plutomium-239, b) indium-120, c) xenon-118.
1.) What is the missing particle? 2.) Carbon-14 decays by beta emission and has a half-life...
1.) What is the missing particle?
2.) Carbon-14 decays by beta emission and has a half-life of
5,730 years
a.) Write the balanced equation for this reaction.
b.) What percentage of a
sample remains after 3,310 years?
3.) Bismuth-214 is an a-emitter with a half-life of 19.7 min.
How long does it take for 75.0% of
to decay?
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 +...
5. 2 points) Identify each of the following unbalanced reactions as belonging to one or more...
5. 2 points) Identify each of the following unbalanced reactions as belonging to one or more of the following categories: precipitation acid-base, or oxidation-reduction Type Reaction K SO, + Ba(NO) BaSO, + KNO T HCI + Zn → ZnCI+H HCI+ AgNO, → AgCl + HNO, HCI KOH → KCI HO Zn + Cuso. → ZnSO,+ Cu Nali,PO,+ NaOH → Na, PO, +1,0 Ca(OH), +H.SO. CASO, +11,0 BaCl,+ 11 SO. → BaSO, + HCI
(1). Beta decay of ^60 Co produces a beta particle and--------------(a) , ^60 Fe, (b), ^59...
(1). Beta decay of ^60 Co produces a beta particle and--------------(a) , ^60 Fe, (b), ^59 Co. (c) ^56 Mn. (d) ,^60Ni. (2) identify the part of the body that can be studied with radiotracers.(a) tumors. (b) brain (c) speleen (d) heart, (e) all of the above.(3) ,Determine the identity of the daughter nuclide from the alpha decay of X.(a)X Ac ,(b) X PO, (c) X Rn .(d) X Th, (e) X Fr.(4) Which of the following statements is True?...
C. REACTIONS: (8 points each; 40 points total) For each of the following reactions or series...
C. REACTIONS: (8 points each; 40 points total) For each of the following reactions or series of reactions, draw the final major organic product, reactant, or reagents in the box. Be sure to indicate STEREOCHEMISTRY where pertinent. In multiple step reactions, you may place intermediate products below the reaction for partial credit. 1. NH2 2. 1) NBS, hv 2) NaCN 0.5 eq 3) NaOH, H20 4) HCI 3. 1) NaBH4 2) MCPBA 3) NaOH 4) excess acetic acid, H+
What is the major product produced in the given reaction? A 1. 2. 3. D 4....
What is the major product produced in the given reaction? A 1. 2. 3. D 4. An equal mixture of 1) and 2) E 5. OH major product нС! ZnCl CI 2) 1) ZnCl OZnCi 3) 5) an equal mixture of 1) and 2) Q14.32 Unanswered What is the major product of the following reaction? 1 A B 2. C 3. D 4. 1) 2) ZnCl HCI ОН ZnCl2 CI 3) 4) CI Q14.33 Unanswered What is the product produced...
Question 1: [14 points] Write complete equations to the following sequence of reactions and give the...
Question 1: [14 points] Write complete equations to the following sequence of reactions and give the structures of compounds A through I. Neatness counts Cl HNO AICI H So Zn(Hg) HCI KMnO (hot, concd.) NH (excess) (CH3CO K HBr NaOCH, Write complete equations for each of the following conversions. Include appropriate reagents Benzene -> A This reaction is (circle one) Addition, substitution, oxidation, elimination, or none A -> B This reaction is (circle one) Addition, substitution, oxidation, elimination or none...
1. What is the major product of the following sequence of reactions? a. 1. Li 1....
1. What is the major product of the following sequence of reactions? a. 1. Li 1. 2. Cu 2. H20 b. H2 (1 equiv. Pd(s) Which of the reaction conditions would accomplish this transformation? 2. A. 1 . CH3SH (excess), H' 2. Raney Ni B. . H2NNH2 2. HO, H2O/A Zn, HCI acetic acid / Δ None of these C. D.
Complete and balance the following reactions. In case of no reaction occurring write NR. Mix #1:...
Complete and balance the following reactions. In case of no reaction occurring write NR. Mix #1: Cu + AgNO3(ac) = ____________________________________ Specie that oxidates: _______ Change in oxidation #: ____ Specie that reduces: ________ Change in oxidation #: _____ Oxidation agent: ___________ Reducing agent: ___________ Number of electrons transferred: ________ Mix #2: Zn + CuSO4(ac) =____________________________________ Specie that oxidates: _______ Change in oxidation #: ____ Specie that reduces: ________ Change in...
1.) What is the missing particle?
2.) Carbon-14 decays by beta emission and has a half-life of
5,730 years
a.) Write the balanced equation for this reaction.
b.) What percentage of a
sample remains after 3,310 years?
3.) Bismuth-214 is an a-emitter with a half-life of 19.7 min.
How long does it take for 75.0% of
to decay?
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 +...
5. 2 points) Identify each of the following unbalanced reactions as belonging to one or more of the following categories: precipitation acid-base, or oxidation-reduction Type Reaction K SO, + Ba(NO) BaSO, + KNO T HCI + Zn → ZnCI+H HCI+ AgNO, → AgCl + HNO, HCI KOH → KCI HO Zn + Cuso. → ZnSO,+ Cu Nali,PO,+ NaOH → Na, PO, +1,0 Ca(OH), +H.SO. CASO, +11,0 BaCl,+ 11 SO. → BaSO, + HCI
C. REACTIONS: (8 points each; 40 points total) For each of the following reactions or series of reactions, draw the final major organic product, reactant, or reagents in the box. Be sure to indicate STEREOCHEMISTRY where pertinent. In multiple step reactions, you may place intermediate products below the reaction for partial credit. 1. NH2 2. 1) NBS, hv 2) NaCN 0.5 eq 3) NaOH, H20 4) HCI 3. 1) NaBH4 2) MCPBA 3) NaOH 4) excess acetic acid, H+
What is the major product produced in the given reaction? A 1. 2. 3. D 4. An equal mixture of 1) and 2) E 5. OH major product нС! ZnCl CI 2) 1) ZnCl OZnCi 3) 5) an equal mixture of 1) and 2) Q14.32 Unanswered What is the major product of the following reaction? 1 A B 2. C 3. D 4. 1) 2) ZnCl HCI ОН ZnCl2 CI 3) 4) CI Q14.33 Unanswered What is the product produced...
Question 1: [14 points] Write complete equations to the following sequence of reactions and give the structures of compounds A through I. Neatness counts Cl HNO AICI H So Zn(Hg) HCI KMnO (hot, concd.) NH (excess) (CH3CO K HBr NaOCH, Write complete equations for each of the following conversions. Include appropriate reagents Benzene -> A This reaction is (circle one) Addition, substitution, oxidation, elimination, or none A -> B This reaction is (circle one) Addition, substitution, oxidation, elimination or none...
1. What is the major product of the following sequence of reactions? a. 1. Li 1. 2. Cu 2. H20 b. H2 (1 equiv. Pd(s) Which of the reaction conditions would accomplish this transformation? 2. A. 1 . CH3SH (excess), H' 2. Raney Ni B. . H2NNH2 2. HO, H2O/A Zn, HCI acetic acid / Δ None of these C. D.
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