Carbon -14 has a half-life of 5.730 x 10 3 years.  If the original mass of the parent is 501.695 g, how many grams of the parent have decayed after 78.8 centuries have elapsed?

Q: Choose the best reagents to complete the reaction shown below. P Tyne here to search

A:

Q: e). CH,CH2CHCH3 ci CH3 i). CH3-C-CI a). CH3CH2CHCH3 CI ci CH3 CH2CI b). CH3-C-CH3 f). CH3CH2CH2CH2CI...

A: * Two or more compounds having same molecular formulas but different structures i.e IUPAC names are ...

Q: volume

A:

Q: AH° for

A:

Q: Determine the element which is oxidized, element which is reduced, oxidizing agent, and reducing age...

A:

Q: If 86.554 g of a C,H,O-water solution contains 7.864 g of C,H,O, then how many kilograms, kg, of wat...

A:

Q: Fumaric acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.204 mol...

A: % of C = 41.39 % of H = 3.47 % of O = 100- 41.39 - 3.47 = 55.14

Q: What is the process of naming molecules?

A: We have to correct the IUPAC NAME of the following compound. Some points necessary while writing IUP...

Q: In a gene mapping experiment, DNA from a prototrophic E. coli strain is transformed into an E. coli ...

A: The correct answer is given below

Q: Which of the following is true?  a. Both alkane and alkenes can undergo radical mechanized reaction...

A: Alkane are saturated hydrocarbon whereas alkene and alkynes are unsaturated hydrocarbon.  

Q: Consider a 1.0 L buffer containing 0.11 mol L-1 HF and 0.11 mol L-1 F-. What is the pH of the soluti...

A:

Q: Explain the relation of chemical shifts to the formula and NMR data givemn? 1. C9H1204S S#769027 360...

A: The solution of the question is given below:

Q: molar mass

A:

Q: Consider a buffer solution comprised of HF and F-. The Ka of HF is 6.3 x 10-4. If the pH of the buff...

A: Weak acid are those acid which does not dissociate completely in aqueous solution. Here HF is weak a...

Q: Draw the Lewis structure for the polyatomic phosphite anion. Be sure to include all resonance struct...

A: Lewis structures are diagrams that show the bonding between atoms of a molecule as well as the lone ...

Q: Identify the criteria which compounds must meet in order to be considered aromatic. (Select all appl...

A: ->Aromatic compounds are most stable and antiaromatic compounds are least stable.  

Q: A 400 MHz 'H NMR spectrum of a mixture of common organic solvents consisting of benzene (CH) 8 7.37;...

A: conversion from ppm(parts per million) to mole %

Q: CHEMWORK Hexamethylenediamine (C6H16N2) is one of the starting materials for the production of nylon...

A: First we find the mole of reactant and then Theortical yield to find percent yield 

Q: 1. It will define the following terms: to. molality b. Colligative properties C. nonvolatile solute ...

A: We have to  define the following terms: to. molality b. Colligative properties c. nonvolatile solute...

Q: Acetal can be used as a protecting group in synthesis. In which of the following syntheses islare ac...

A:

Q: The fumarate ion is a dibasic base with pKb values of 9.52 and 10.98. What is the concentration of t...

A: Given the pH of the solution = 5.21 Total concentration of both the buffer parts = 0.100 M 

Q: le answer for each question and fill in the corresponding bubble on your Scantron form. 1. A solutio...

A: Polar compound are those compounds which have polar bond which arises due to difference in electrone...

Q: Now consider an excited state of He atom with electron configuration 1s' 2s'. In general, the wavefu...

A:

Q: (A) 1,2- and 1,4-additions of conjugated systems

A: Given : structure of reagent

Q: What is the entropy change of the reaction below at 298 K and 1 atm pressure? 4AI(s) + 30 2(g) 2Al 2...

A: Given Reaction                                       4Al(s) + 3O2(g) ---------> 2Al2O3 (s)      ∆...

Q: Aqueous sulfuric acid (H,SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium su...

A:

Q: calculate the theoretical pH of each solution you tested. What is unique about a mixture of a weak a...

A: In the above question, some solution of weak acid,diluted weak acids,salt of weak acid,and diluted s...

Q: 4. Silver has a face-centered cubic unit cell. How many atoms of Ag unit cell? are present in each

A: We will draw structure of the lattice and then find number of atoms.  

Q: The following compound has shown some activity in treating Alzheimer's disease. What is an IUPAC nam...

A: ->In naming phenol give numbering taking OH at position -1.  

Q: 3/5 Gaseous butane (CH;(CH2),CH,) reacts with gaseous oxygen gas to produce gaseous carbon dioxide (...

A:

Q: Question 1 of 10 Draw the orbital diagrams of the following elements: Silicon Oxygen Chromium

A: Orbital diagram is defined as a representation which represents the electron distribution of electro...

Q: Which of the following is true? a. A slow reaction has small Ae to reach the Ts and start forming p...

A: a. A slow reaction has small Ae to reach the Ts and start forming products.

Q: Consider a buffer solution that contains 0.25 M CGHalCO2H)(CO2K) and 0.15 MCGH4(CO2K)2. pka(C6H4ICO2...

A:

Q: In the reaction: BCI3 + NH3 The Lewis acid is: (c) B-NH3 1. O cr O H,O O H O NH3 BCly

A: A Lewis acid is a chemical species which has an empty orbital in which it is able to accept electron...

Q: Which of the following ground-state electron configurations corresponds to the atom that has the mos...

A: Electron affinity is the tendency to accept an electron in the outermost shell of an atom. Higher th...

Q: The concentration of hydroxylamine in a solution is 0.71 M. What is the pH of the solution? The Kb o...

A: Given :-  [HONH2] = 0.71 M  Kb for HONH2 = 1.1 × 10-8  To calculate :-  pH of solution

Q: Suppose 1.53 g of barium nitrate is dissolved in 250. mL of a 42.0 m M aqueous solution of ammonium ...

A:

Q: a. Calculate the molar mass of Al2 O3. Molar mass = g/mol %3D b. Calculate the molar mass of Na3 AlF...

A: Answer: Molar mass of a compound is the sum of the gram atomic masses of all the atoms present in th...

Q: 4 Al (s) + 3 O2 (g) → → 2 Al203 (s) How many liters of O2 gas at 40 °C and 0.70 atm are required to ...

A:

Q: Balance the following redox reaction if it occurs in acidic solution.  What are the coefficients in ...

A:

Q: A beaker with 195 mLmL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The tot...

A:

Q: What is the empirical formula for a compound containing 59.72% Tin 16.10% sulfur and the remainder o...

A:

Q: QUESTION 9 While trying to create a new compound Dr Knax realizes he needs to use a reaction that an...

A:   A  large positive ΔHº value represents an addition of energy from the reaction resulting in an end...

Q: The standard reaction free energy aG" = '= -910. kJ for this reaction: 6C(s) + 6H,(g) + 30,(g)-C,H1,...

A:

Q: O Dipole O H-Bond Disnersion

A: Intermolecular forces refers to the bonds that occur between molecules. These bonds are broken when ...

Q: Give the IUPAC name of the following structure: HO.

A:

Q: Describe the relationship between each of the pairs of isomers shown by recording Constitutional, Co...

A: If the configuration of all the chiral centres get reversed then they are enantiomers and if all rem...

Q: i) Explain why polypropylene is mainly produced by the coordination polymerization, but not by the f...

A: The solution of the question is given below:  

Q: How much silver would fall out of a solution of AgNO3 if a current of 5.00 amperes passed through it...

A: Given,  Current = I = 5.00 A  Time period = t = 2 hours  How much silver would fall out of a solutio...

Q: Using the concept of diffusion, explain how the odor of perfume is detected

A: Odor of perfume is detected by diffusion.