Homework Answers
17.
The quantum dots are the artificial clysters of semiconductor atoms that they have the ability to confine the electron motion due to their small size. They have the ability to tune their band gap and controls the light absorbance and mission frequencies through the quantization of the energy levels.
Quantum dots are currently used for labeling the live biological material in vitro and in vivo in animals for the purpose of research. They are injected into the cells or attached to proteins in order to track, label or identify the specific biomolecule.
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17.- What quantum dots are useful for? 18.- Which is the probable mechanism of substitution for...
18.- Which is the probable mechanism of substitution for the octahedral Co(CO), to form Co(CO)s(py) (py-pyridine)...
18.- Which is the probable mechanism of substitution for the octahedral Co(CO), to form Co(CO)s(py) (py-pyridine) 19.- Name the two compounds in the former question (question 18)
ه ه ه ما فيه ه ی © © © H2C-o-co- (CH₂h- CH₂ HO 2 HC-O-CO-(CH2...
ه ه ه ما فيه ه ی © © © H2C-o-co- (CH₂h- CH₂ HO 2 HC-O-CO-(CH2 - CH₂ Ho Chi H2C-O-CO-(CH2 - CH₂ CHz-- OOCR R*COO-CH 0 CH2-O_P_O_CH - снон CH2OH - - - - ноён 2. Evaluate the fatty acid in the image. A. is it saturated or unsaturated? (1 pt) B. It can be denoted as _. What number goes in the blank? (1 pt) C. Is this an omega fatty acid? What kind? (1 pt) D. Is...
can you help me answer 18, 20 & 23 17. Which of the two following metabolic...
can you help me answer 18, 20 & 23
17. Which of the two following metabolic pathways require a nacin co m e ? a. Glycolysis and the conversion of byte to CA b. Glycolysis and copenlysis Glycopenlysis and conversion of pyruvate to acetyl-CoA d. Conversion of Dynate to acetyl-CoA and branched-chain amino acids 18 South and Central American countries that depend on a com-based diet prevent the decency Per because com is r ed with an acid to release...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
1-24 need help really lost Proton Transfer: deprotonation D. 1) Add the appropriate curved arrows for...
1-24 need help really lost
Proton Transfer: deprotonation D. 1) Add the appropriate curved arrows for the following deprotonation step. Also add the other product notice how the Tema s can be converted to this by use of a strong base such as sodium a sodium ion (Na) is not drawn, in this case it is just a spectatorio PCW27 - Mechanistic steps - Part Name: Time spent 2) Label the above compounds with the appropriate name from the previous...
all of them please QUESTION 1 1 points Save Answer Which of the following can have...
all of them please
QUESTION 1 1 points Save Answer Which of the following can have cis/trans isomers? Draw their isomers. CH3CH2CH=CH2 (CH3CH2)2CCHCH3 CH3CH2CH=CHCH3 CH2=CH2 QUESTION 2 1 points Save Answer Name the following compounds, with cis/trans nomenclature. trans-4-methyl-2-hexene trans-4-thyl-2-pentane O cis-4-thyl-2-pentane O cis-4-methyl-2-hexene QUESTION 3 1 points Save Answer Name the following compounds, with cis/trans nomenclature Br Br Otrsans-2,5-dibromo-3-hexene trans-1,4-dibromo-2-butane O cis-1,4-dibromo-2-butane cis 2,5-dibromo-3-hexene Click Save and Submit to see and submit Click Save All Answers to save all...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
ARE MY ANSWERS CORRECT? 25 questions 1. what an A/R aging analysis is, its purpose, and...
ARE MY ANSWERS CORRECT? 25 questions 1. what an A/R aging analysis is, its purpose, and how it is created. Used to estimate amount needed in Allowance for Bad Debts Account (a contra account) A/R Days Outstanding 0-30 31-60 61-90 Over 90 Under each term list all A/Rs that are not paid by date Use historical experience to estimate the percentage of A/R for each date period to determine allowance for Bad Debts What the three major cost components are...
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
18.- Which is the probable mechanism of substitution for the octahedral Co(CO), to form Co(CO)s(py) (py-pyridine) 19.- Name the two compounds in the former question (question 18)
ه ه ه ما فيه ه ی © © © H2C-o-co- (CH₂h- CH₂ HO 2 HC-O-CO-(CH2 - CH₂ Ho Chi H2C-O-CO-(CH2 - CH₂ CHz-- OOCR R*COO-CH 0 CH2-O_P_O_CH - снон CH2OH - - - - ноён 2. Evaluate the fatty acid in the image. A. is it saturated or unsaturated? (1 pt) B. It can be denoted as _. What number goes in the blank? (1 pt) C. Is this an omega fatty acid? What kind? (1 pt) D. Is...
can you help me answer 18, 20 & 23
17. Which of the two following metabolic pathways require a nacin co m e ? a. Glycolysis and the conversion of byte to CA b. Glycolysis and copenlysis Glycopenlysis and conversion of pyruvate to acetyl-CoA d. Conversion of Dynate to acetyl-CoA and branched-chain amino acids 18 South and Central American countries that depend on a com-based diet prevent the decency Per because com is r ed with an acid to release...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
1-24 need help really lost
Proton Transfer: deprotonation D. 1) Add the appropriate curved arrows for the following deprotonation step. Also add the other product notice how the Tema s can be converted to this by use of a strong base such as sodium a sodium ion (Na) is not drawn, in this case it is just a spectatorio PCW27 - Mechanistic steps - Part Name: Time spent 2) Label the above compounds with the appropriate name from the previous...
all of them please
QUESTION 1 1 points Save Answer Which of the following can have cis/trans isomers? Draw their isomers. CH3CH2CH=CH2 (CH3CH2)2CCHCH3 CH3CH2CH=CHCH3 CH2=CH2 QUESTION 2 1 points Save Answer Name the following compounds, with cis/trans nomenclature. trans-4-methyl-2-hexene trans-4-thyl-2-pentane O cis-4-thyl-2-pentane O cis-4-methyl-2-hexene QUESTION 3 1 points Save Answer Name the following compounds, with cis/trans nomenclature Br Br Otrsans-2,5-dibromo-3-hexene trans-1,4-dibromo-2-butane O cis-1,4-dibromo-2-butane cis 2,5-dibromo-3-hexene Click Save and Submit to see and submit Click Save All Answers to save all...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
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