Why is it best that a radioactive medical tracer emit high energy gamma rays? so they can be detected outside the body so cells surrounding the radiation source will be killed so the radiation will not cause harmful mutations because the tracer will have a short half-life no correct response

Q: ms the more reactive borate.

A: Answer: the hydroxide or alkoxide accelerate the Suzuki coupling to forms the more reactive borate.

Q: CH3 CH3

A: Answer: IUPAC name of the compounds  ethyl 3-methoxypentanoate.

Q: ) A 20.2 mL sample of a 0.422 M aqueous hydrofluoric acid solution is titrated with a 0.426 M…

A:

Q: ए नैमट म्रभ (लाCOTकनीना ड ड.25K10-4M the abseved the cett potentiat at जीाट विडव्ण्ववं जेकए 298 k…

A: The step wise solution is as follows -

Q: volume:

A:

Q: using the image, explain the structure and formation of hydrated ions.

A: Given : We have to explain the reaction taking place in image.

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 1. (CH3)2CHNH2, Na(CN)BH3, pH…

A: ->Amine give nucleophilic addition reaction to carbonyl center.then Na(CN)BH3 pH =4-5 can reduce…

Q: Here is an isomer of the [FeBrCı,(OH), complex: 3- OH CI Fe Br ОН OH

A: Isomer: Two or more compounds with the same formula but different arrangements of the atoms are…

Q: Which one of the following compounds is consistent with the following IR spectrum? VEN SDBS:…

A:

Q: In the following reaction: HCIO4 + H2O → H30* + CIO4 O H20 is the conjugate acid of H30* O CI04 is…

A: ANS. ClO-4 is conjugate base of HClO4

Q: Draw the major product of this reaction. Ignore inorganic byproducts. NH2 1. CH3C(O)CH3, Na(CN)BH3,…

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Q: What is the major organic product of the following reaction?

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Q: Calculate the pH of vinegar if it has a hydronium ion concentration of 2.8x10-3 M? Use sig. figs.…

A: Given - - - > Concentration of hydronium ion  [H3O+]  = 2.8 x 10-3 M pH of vinegar =?

Q: 21083Bi→42He +20681Tl + ________ Complete the nuclear equation above. alpha particle beta particle…

A: The reaction given is, => 21083Bi→42He +20681Tl + AZX

Q: True or False.  A 0.10 M HCl solution will consist of 0.10 M H+ and 0.10 M Cl-.

A: Given statement :- A 0.10 M HCl solution will consist of 0.10 M H+ and 0.10 M Cl-  To determine :-…

Q: describe the behavior of the electron. Each function is characterized by three quantum numbers: n,…

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Q: Which of the following will differentiate one isomer from another? A chemical formula elemental…

A: Which one of the following is correct

Q: What are the coefficients in front of each species when this reaction is balanced? ___C(s) +…

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Q: At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 10-3…

A:

Q: Calculate to three significant digits the density of carbon monoxide gas at exactly −20°C and…

A: Given :-  Pressure of CO gas = 1 atm  Temperature = -20°C  To calculate :-  Density of gas (assuming…

Q: Check the box next to each molecule on the right that has the shape of the model molecule on the…

A: The correct answer about ball and stick model is given below

Q: Determining the formula of a hydrate: NOTE: SHOW ALL STEPS!! A sample of copper (II) sulfate…

A:

Q: Solve for the pH value when 200 mL of 0.02 M NH3 was titrated with each titrant. a.) 25 mL of…

A: we need to find pH for the given titrations

Q: Pressure (kPa) 500 400 300 200 100 Volume (m) 50 100 150 200 250 300 350 400 450 Created by E. Lee…

A: Boyle's law: according to the law the volume of a gas at constant temperature varies inversely with…

Q: What is the percent ionization of a 0.15 M HOCl solution (Ka = 3.0 x 10-8)?    Answer in 3 decimal…

A: Concept:                HA ===== H+  + A-                 c(1-x)          cx     cx  Let the…

Q: Which of the following is expected to be the strongest acid? Choices: H2SO3…

A: Acids which have higher value of ka is Stronger Acid. As from given Ka values, H2CO3 has higher Ka…

Q: lease answer asap and type your answer and do not copy from anywhere please

A: Given : We have to pick the correct option.

Q: Kp of this quation 2A+3B=4C+5D

A:

Q: HO II OH OH II IV

A: Answer: acidity order in alcohols are . 1>2>3>4 . Then the pH order is the  4 >3…

Q: A 10 mL sample of 0.8M NaOH is mixed with 10mL of 0.47 M H2X. How much X2 is in solution after both…

A: Given: Concentration of NaOH = 0.8 M Concentration of H2X = 0.47 M Volume of NaOH solution = 10 mL =…

Q: In a cell with an aluminum electrode in a solution of aluminum nitrate and a zinc electrode in a…

A: Nernst equation: The Nernst equation relates to the reduction potential of an electrochemical…

Q: Consider the reaction :  A + 2B →   3C   +  4D Suppose that at a particular moment during reaction,…

A:

Q: Here is an isomer of the [FeBr,Cl,(OH)] complex: 3- Br CI Fe Cl OH Br Draw another isomer below.

A: In octahedral complexes (CN = 6) , there are two kinds of bonds  Equatorial bonds : The bonds which…

Q: Evercise 24. Which of the following SN reactions will take place? 1. NH2 NH2 OH + + OH 3. CN + CN 2.

A:

Q: In the titration of 100.0 mL of 0.050 M CH3COOH (pKa = 4.74) solution with a 0.10 M NaOH titrant,…

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Q: The graph below represents successive ionization energies (IEs) in kJ/mol for a particular element…

A: The elements of third period given are Aluminium (Al), Silicon (Si), Phosphorous (P), Chlorine (Cl)…

Q: Consider the chemical reaction           A   +   B  ®  products      Determine the order with…

A: Given reaction is  A   +   B  ---->  products Given data is  Experiment  Initial Rate (M/s)…

Q: At the edges of the paper which you happened to touch with sweated hands, what can you conclude…

A: Chromatography is totally based on capillary action. So if we hold the paper in the middle, then…

Q: Rank the melting points of the following fatty acids from highest to lowest: (1) cis-oleic(18:1)…

A: Fatty acid name Melting point (oC) 1. cis-Oleic 13.4  2. trans-Oleic 16.3 3. Linoleic…

Q: raw structural formula for the product of the following reaction. Will the melting point of the…

A: Given : We have to make product for the given reaction.

Q: For given pair of compounds, identify which compound is the stronger base, and explain your choice:…

A: Which of the following is a stronger base?  Both structures are aromatic (follows 4n+2 π electrons…

Q: Draw the protein: SRDR

A: We have to draw the protein: SRDR. Here, S is serine, R is Arginine, D is Aspartic acid.

Q: Part A Draw the structure for the amino acid represented by each of the following abbreviations. Pro…

A: Amino acids contain carboxylic acid and an amine functional group on the same carbon atom. Amino…

Q: the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 10-3 min-1. If…

A: Given reaction followed first order kinetics

Q: PartA How ong must you wat (in half-lives) for a radioactive sample to drop to 2.65 % of its…

A: Given: The final activity = 2.65 % of the initial activity.

Q: 19.) Which of the following exothermic reactions has a magnitude of the enthalpy of reaction lower…

A: The reactions given are,

Q: Exercise 28. Competing SN and E reactions. Predict whether the following reactions will proceed via…

A: In E2 elimination reaction leaving group and proton must be antiperiplanar to each other...

Q: Three voltaic cells can be constructed from solutions of Cusoa(aq), ZnSOa(aq), and Reaction E…

A:

Q: Using the data provided below, calculate the emf, E°, for the following cell at 25°C.…

A: Nenrst equation: The Nernst equation is a mathematical description to calculate electric potential…

Q: The energies of the valence d orbitals on the cobalt atom in the tetrahedral [Co(CN),] complex are…

A: In tetrahedral geometry, all complexes are high spin complexes. Thus, CN- even being a strong field…