Indium-116 is radioactive and has a half life of 14.10 seconds. How long would it take a sample to decay from 3.80 mg to 2.10 mg. Round your answer to 2 significant digits.

Q: (c) OH alcohol * II.. 1. SOC12 2. 1 equiv. NaOEt 3. Br2 4. 2 equiv. NaNH2/NH3 5. H₂/Lindlar Sn ?…

A: 1) SOCl2 Converts alcohol OH into alkyl chloride Cl2) NaOEt Acts as a base and undergoes elimination…

Q: How many milliliters of 0.4 N NaOH can be made from 20 mL of 2 N solution?

A: The objective of this question is to find out how many milliliters of 0.4 N NaOH can be made from 20…

Q: Thionyl chloride (SOCI₂) is a chlorinating reagent used to prepare alkyl halides from alcohols. Draw…

A: Thionyl chloride used to chlorinate alcohols (especially for secondary and tertiary…

Q: *Give mechanism* H₂C *Give mechanism* *Give mechanism* H₂C H₂C H₂C CH₂ CH₂ CH₂ CH₂ HBr HCI H* H₂O 1)…

A: We have to mention the product and the reaction mechanism.

Q: Given the information listed below, identify the chemical compound. Physical description: This…

A: A question is based on physical and chemical information and IR and NMR spectroscopy.Based on the…

Q: Propose reagents for letters A through D. Write your answer in the space provided, using the letter…

A: We have to find out the reagents of the given conversions

Q: Using the reagents listed in the table below, devise routes for the following transformations: OH…

A: Reagent used in this step is (c)H2O/H2SO4In this step SN1 mechanism occurs.

Q: Write the structure(s) for the organic product(s) of the carbohydrate reaction below. ball &…

A: Given is cyclic monosaccharide derivative.Chemical reagents are used to produce chemical reactions…

Q: How many monochloro substitution products are produced when the alkanes below are chlorinated?…

A: The number of monochlorination products formed during the free radical chlorination (substitution…

Q: you are titrating 50mL of 0.1 M AgNO3 with 0.2750 M NaBr. Calculate pAg at half of the volume…

A:

Q: 1. Select all that are true about the molecule shown. 3-C-0 HO-C-0 H-C-OH H-C-OH CLOR Its a…

A: Given is carbohydrate molecule. It is monosaccharide molecule.

Q: (a) 2-methyl-2-pentanol Draw the structure of the alkene that was used to prepare the alcohol in…

A: Given compound is 2-methyl-2-pentanol.This is made up from alkene.Here, given reactions are,1-…

Q: santehtattempem 1810393 Propose an efficient synthesis for the following transformation. H The…

A: for given transformation,we are asked to arrange the reagents necessary for this transformation.look…

Q: Which ether would be the expected product of the reaction below? O C с A B A ONa B C my ming D

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: Consider the following system at equilibrium where AH = 10.4 kJ/mol, and K = 1.80×102, at 698 K. 2…

A: The question is based on the concept of Le-chatlier principle.It States that when a system at…

Q: QUESTION: Show the mechanism and formation of all products for your alkene for the selected reaction…

A: It is given that:the reactant is 1-methoxy-2-methylcyclohex-1-ene.The reagent is H2O/H+.The product…

Q: Of the following molecules, which most readily undergoes a unimolecular elimination reaction? Br B B…

A:

Q: OH здан OH Acetylsalicylic acid (aspirin) can be prepared via the acetylation of salicylic acid.…

A:

Q: Br Buli, DMF

A:

Q: Select the major and minor product(s) of the following reaction. If only one product is formed…

A: Given Select the major and minor products.

Q: Consider [MABCD]Br2 Ligand Charges: A = -1; B = -1; C = 0; D = -1 Screen Reader User: Charges are…

A:

Q: Which of the following is the most acidic? CI 1 3 2 4 1 OH N 2 OH h OH 3 OH CN 4 ОН

A: For acidity of carboxylic acid we see stability of its conjugate base  formed by removal of most…

Q: The reaction of 47.3 mL of an aqueous HCl solution with excess MgCO3 produces 538 mL of CO2(g) at…

A:

Q: How many milliliters of 0.4 N NaOH can be made from 20 mL of 2 N solution?

A: The objective of this question is to find out how many milliliters of a 0.4 N (Normality) solution…

Q: An element has a atomic number of 66 and a mass number of 126. This element undergoes γ ray…

A:

Q: Ammonia (NH3) is produced using the Haber process: N2(g) + 3 H2(g) ⇌ 2 NH3(g) + 629.1 kJ  Which of…

A: Answer:Le-chatalier's principle states that on changing any parameter of the system that is in…

Q: The following retrosynthesis is correct. [You should consider the reactions (alkylation, Gabriel,…

A: In a reductive amination reaction, carbonyl compound reacts with ammonia or amine to form an imine…

Q: How many grams of BaCl2 are needed to prepare a 60 mL of a 0.2 M solution?

A: The objective of this question is to calculate the amount of Barium chloride (BaCl2) needed to…

Q: 3.) An iron bar with a mass of 869 g cools from 94.0 °C to 5.0 °C. Calculate the heat released (in…

A: Information of question

Q: A 100.0 mL sample of 0.10 M Sr(OH)₂ is titrated with 0.10 M HCL. Determine the pH of the solution…

A:

Q: 0 2.1 H CH3 Br

A: Given,The molecule:

Q: Solid aluminum (Al) and chlorine (C1₂) gas react to form solid aluminum chloride (AICI;). Suppose…

A: This question is based on the concept of limiting reagent. It is a reactant that is first exhausted…

Q: Which set of conditions will achieve the transformation shown? i tot O 1. LiAlH4; 2. H*/H₂O; 3.…

A: Given is organic synthesis reaction. In this reaction ketone is converted into amine.Ketone can be…

Q: Write balanced half-reactions for the following redox reaction: 2+ .3+ 2 Cu²+ (aq) +Bi³+ (aq) + 6OH¯…

A:

Q: Draw the structure of the expected product of this reaction series. 1) NaOCH3/CH3OH 2) 3) H30Ⓡ H ↑…

A: In the first step, presence of base, it abstract acidic alpha proton and form enolate ion, which act…

Q: Draw the product of the reaction shown below. Ignore inorganic byproducts.

A: Sodium borohydride, NaBH4 is a reducing agent and it can selectively reduce a carbonyl functional…

Q: complete arrow pushing mechanism for SN1 and SN2  reaction 1: SN1 = sodium iodide reacts with…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. Cl₂ H₂O Drawing Q

A: This reaction is addition reaction of halogen . Finally halohydrin formation takes place.In the…

Q: Choose the correct product for the following reaction. A be OH руг. to or ard E B A

A: Given acid anhydride, phenol and pyr (pyridine).Identify the product.

Q: Draw the correct product for the Diels-Alder reaction. X d Select Draw Templates C More H O Erase

A: Diels-Alder reaction: It is [4+2] cycloaddition reaction between a diene and dienophile.Endo product…

Q: Of the following molecules, which most readily undergoes a bimolecular elimination reaction? (Think…

A: Given are organic compounds.E2 elimination is bimolecular elimination reaction.It is single step…

Q: The net charge on the following amino acid is [x] at pH 10. HS 0 NH₂ OH

A: If the pH is greater than pKa then deprotonation occurs and it exists in deprotonation form. While…

Q: 4. Predict the result of mixing 60.0 ml of 4.0x 10- M Ca(NO3), with 20.0 ml of 8.0 x 10 M NaF.…

A: Answer:When ionic product of water becomes greater than solubility product then solution becomes…

Q: Follow the curved arrows shown in the image below and modify to draw the correct second resonance…

A: Concept of Resonance; When all the properties of a molecule cannot be explained by a single…

Q: Answer the questions in the table below about the shape of the phosphorus hexachlorate (PCI) anion.…

A:

Q: Draw the correct product(s) for the oxidative cleavage reaction. 1. KMnO4, HO, heat 2. H₂O* Select…

A: In the given reaction oxidative cleavage is taking place.The oxidative cleavage reaction is the type…

Q: Draw the starting structure that would lead to this polymer under radical conditions. Drawing A or…

A: Given a polymer product, radical initiator AIBN.

Q: What reagent would be required for the reaction?

A: Carbonyl compounds (aldehyde and ketone) react with an alcohol to form hemiacetal in the presence of…

Q: H₂C- CH₂ CH₂ CH₂ CH₂ Spell out the full name of the compound.

A: IUPAC stands for International Union of Pure and Applied Chemistry. The IUPAC name of any compound…

Q: b Write a mechanism for the reaction using curved arrows to show electron reorganization. Consult…

A: Alkene gives an electrophilic addition reaction with borane. Alkene reacts with BH3 and then NaOH…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.