1) The half-life of 238U is 4.5 billion years. How long would it take for 1.0 g of this radioactive isotope to decay to 1 atom? Show your calculation.

Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the product…

A: Benzene on treatment with alkyl halide in presence of Lewis acid give alkyl benzene.This reaction is…

Q: The hydronium ion concentration in a sample of springwater is found to be 7.1x107 M at 15°C. What is…

A:

Q: In the Zn²+ ion (in its ground state), how many electrons are m = 0 and s = -?The atomic number of…

A: Since you have asked questions with more than three parts, we will solve only the first three…

Q: 25. Draw ORBITAL diagrams for the following molecules a) PF3 b) Propanone H.C_|| H₂C-C-CH,

A: PF3:Electronic geometry - TetrahedralMolecular geometry - Trigonal PyramidalCH3COCH3:Molecular…

Q: 15. Draw the major organic product formed for each of the following reactions. (a) (C) HO OH…

A: Question a is an example of esterification reaction.Question b is an addition reaction of…

Q: What volume will 1.216 g of sulfur dioxide gas occupy at 18 °C and 755 torr?

A: Mass of sulfur dioxide = 1.216 gTemperature (T) = Pressure (P) = 755 torr

Q: O₂N IV NH₂ NH₂ CI NH₂ NH₂ NH₂ Which compound is the strongest base?

A: Base is a compound which easily accepts hydrogen ions or donates lone pairs to electron deficient…

Q: I understand this answer, but it wasn't one of the multiple choices they gave me.

A: Follow up question continued. To draw  all possible products of the given organic reaction and…

Q: Who proposed the wave/particle duality of matter? There are how many o bonds and how many bonds in…

A: Down the group atomic size increases as down the group increases the principal quantum number so…

Q: ||| O ATOMS, IONS AND MOLECULES Naming ionic compounds with common polyatomic ions Fill in the name…

A: 1. Answer :-----Pb4+ cationCH3CO2- anion Here we have to balance the charges so we need one lead…

Q: Predict the product for the following reaction. A. B. E. HO N NH NH₂ C. D. HN O OH OH OH

A: Mechanism involves the lone pair of nitrogen attack on carbonyl carbon of carbon atom by the reverse…

Q: What is the major organic product obtained from the following reaction? A. B. Yo OH OH 1. LiAlH4 2.…

A:

Q: 2. Recall that carbonyls absorb IR irradiation between 1680 - 1800 cm¹ and that the exact position…

A: IR spectroscopy useful for identification of functional group.

Q: What is the systematic IUPAC name for the following Organic compound? O4-ethyloctan-8-al decanal…

A: The IUPAC name of the compound is given by using the rules of IUPAC nomenclature.Select the longest…

Q: Give the complete IUPAC name for the following compound and explain the steps you took to arrive at…

A: IUPAC nomenclature is a systematic way of naming chemical compounds, ensuring clear…

Q: ON 8 Of the following protons, which is expected to shift the most downfield?@GMU 2020 RÅH O RH…

A: Structurechemical shift (ppm)RCH30.8 - 1.2R2CH21.1 - 1.5R3CH~1.5ArCH32.2 - 2.5R2NCH32.2 -…

Q: What is the major organic product obtained from the following reaction? A. mo LOH B. i i C. D. لله…

A:

Q: Draw the major product of this reaction. Ignore inorganic byproducts. HCI, H₂O [8]

A: Imine on acidic hydrolysis gives carbonyl compound and primary amine.

Q: CH3CH2NH2 is a weak base, and HCl is a strong acid. One mole of the salt, CH3CH2NH3+Cl–, is added to…

A: This reaction is a acid base type reaction.

Q: Na, NH3 CH3CH3OH Q

A: Here simple birch reduction is taking place to reduce benzene ring

Q: Give typing answer with explanation and conclusion    A chemist reacted 11.50 grams of sodium metal…

A: The percentage yield of a reaction is calculated by the theoretical yield and actual yields as…

Q: a) b) c) d) 7. Allylic bromination of 2-hexene with NBS yields a mixture of four products, all of…

A: In presence of the NBS, the bromination takes place at the allylic position. The allylic position is…

Q: er 21 Connect Assignment i es Be sure to answer all parts. Consider the following balanced redox…

A: In the given question we have to identify the species is being oxidised, reduced, oxidising agent,…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. Assume that the water side…

A: Carbonyl compounds react with primary amines to form imines.

Q: Use the following information to answer the next question Volume of 0.160 mol/L Mg(OH)2 (aq)…

A: Molarity of Mg(OH)2 = 0.160 mol/L Volume of HNO3 = 10.00 mL = 0.01000 L…

Q: ||| = O STOICHIOMETRY Limiting reactants Explanation Gaseous ethane (CH₂CH3) will react with gaseous…

A:

Q: At 25.0 °C the Henry's Law constant for sulfur hexafluoride (SF6) gas in water is 2.4 x 10 M/atm.…

A: Given,Henry's law constant for sulfur hexafluoride ( SF6 ) gas = 2.4 x 10-4 M/atmThe partial…

Q: What is the major organic product obtained from the following reactions? A. B. CI KCN NH2 C. NH₂ D.…

A:

Q: When 2.00 g of BaF2, barium fluoride, is added to 1.00 L of water, the salt dissolves to a very…

A: SOLUBILITY solvents that have strong stabilizing interactions with salts, some salts resist…

Q: If 37.0 mL of nitrogen gas reacts with 74.0 mL of oxygen gas, what is the volume of N₂03 produced?…

A:

Q: Which of the following aqueous solutions has the lowest [OH-]?  A) a 1 ⋅ 10-3 M solution of NH4Cl…

A: The most acidic substance that will contain the lowest concentration of hydroxide ions.

Q: What is the IUPAC name of each of the the following? "NH₂ CH₂CH3 a obo NHCH, CH₂CH3

A: In organic chemistry,chemistry,chemistry,chemistry,chemistry,chemistry, if any.2) Give the name as…

Q: Select the letter which corresponds to the most reasonable mechanism for the Fischer Esterification:…

A:

Q: OCH3 CH3CH3 CH4 only sources of carbons in the final product

A: Alkane reacts with halogen in the presence of sun light to give haloalkanes. Thus, methane reacts…

Q: Write the formula for the conjugate base of the following acids. Note you will not be able to use…

A: Given Acid-H3PO4   and  HCO3-We need to write the Conjucate base of the above given conjugate acid.

Q: If the concentration of Mg2+ ion in seawater is 1.35 x 10³ mg/L, what OH concentration is required…

A:

Q: Draw the structure of the major organic product(s) of the reaction. H3C 1. 2 H3C- 2. H30+ -MgBr •…

A: Grignard reagent which have general formula R-Mg-X where R may be any alkyl or aryl group. It…

Q: Problem 17.43 - Enhanced - with Feedback A 20.0-mL sample of a 0.200 M HBr solution is titrated with…

A: Part - D 20.2 mL Number of moles of NaOH in 20.2 mL are  :----moles of NaOH = volume (L) ×…

Q: Sodium metal and white phosphorus react to form a compound that is so dangerous it is not allowed to…

A: The given reaction is 12 Na(s) + P4(s) → 4 Na3P(s).To calculate the moles of sodium metal needed to…

Q: Classify these alcohols as primary (1°), secondary (2°), or tertiary (30). OH 2⁰ Answer Bank CH,OH…

A: Primary alcohol: The hydroxyl group (−OH) containing carbon is attached to one alkyl groupSecondary…

Q: A Diels Alder reaction is.... a reaction where stereochemistry is conserved Two of these Sometimes…

A: The Diels–Alder reaction is a pericyclic reaction (cycloaddition) between a conjugated diene and a…

Q: Thorium-227 has a half-life of 18.4 days. How much will be left of a 100 mg sample in 60 days? Round…

A: Given a sample of Thorium 100 mg. And half life of Thorium-227 is 18.4 days.We have to calculate the…

Q: A solution is made by mixing 50. g of methanol (CH3OH) and 142. g of acetone Calculate the mole…

A: Given,The mass of methanol ( CH3OH ) = 50. gThe mass of chloroform ( (CH3)2CO ) = 142. g

Q: Which of the systems described below give homogeneous equilibria? (Select all that apply.) N₂(g) + 3…

A: A homogeneous equilibrium is one in which all of the reactants and products are present in a single…

Q: HN H HN- O JFH SHO-N³H

A:

Q: Which of the following reactions is most likely to give polysubstituted side products?…

A: Where, A = activator and D = deactivator

Q: Please answer these questions on your Page 9 We dissolve 1.66 g of an unknown acid, HA, in enough…

A: mol of NaOH  = concentration of NaOH  *  volume of NaOH  / 1000mol of NaOH  =  (0.277*14.4)/1000 =…

Q: which of the following should have the weakest IMF CH3F, n2, co, hcl

A: Ion-ion > ion-dipole > hydrogen bonding > dipole-dipole > Van der Waals forces

Q: Use the standard entropy data to determine the change in entropy (in J/K/mol) for each of the…

A: Since, you have asked multiple questions but according to Bartleby guidelines, I have to answer the…

Q: What is the product of the following reaction? A. B. شام NH NH2Et, cat H* C. ZI avant HO. D. `N OH

A: Nucleophilic substitution of ring opening reaction. In which addition of nitrogen to carbonyl group.…

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.