3)The half-life of 14C is 5730 years. A sample contains 90.5% of the 14C it would contain if it were still part of a living being. What is the age (in years) of this sample?

Q: 9- Give IUPAC names for the following compounds: H3C CH3 || H2C=CHCHCCH3 | CH3 CH3 CH3CH2CH=CCH2CH3

A: IUPAC nomenclature: In IUPAC nomenclature  a molecule's longest chain of carbons is taken as parent…

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A: Reactants are the species which involved in a reaction and undergoes change in a reaction while…

Q: If a sample of a certain solution is determined to have a pH of 8.9, what is the concentration of…

A: pH is defined as the negative logarithm of hydronium ion, H3O+ concentration of base ten .The…

Q: How many dL of a 12mg% solution of NaF will it take to get 84mg of NaF?

A: Given,Concentration of NaF solution = 12  mg %Mass of NaF = 84 mgRequired,                  dL of…

Q: Be sure to answer all parts. What is the change in internal energy (in J) of a system that releases…

A: 1) Given :-  Work done = 9.50×102(cal)  Heat release = 675 J  Change in internal energy = ∆U = ?…

Q: Give the 3 biologically important amines and their use.

A: Amines constitute an important class of organic compounds derived by replacing one or more hydrogen…

Q: You are on a new planet and discover a substance, Z2O that undergoes autoionization just like water…

A: According to the reaction, The given reaction is as follows, Z2O + Z2O  ⇌ Z3O+ + OZ– The value of…

Q: Calculate the number of moles of C4H10 in (7.5x10^3) grams of butane, C4H10. C = 12.01 g/mol H =…

A:

Q: Determine the rate law for the generic reaction, A + B → products, using the initial rates data…

A:

Q: Iodine in solution has a yellow-brown color, whereas the acetone and both products are colorless.…

A: To calculate the initial concentration of the reactants for experiment 1 to 4.  Given the following…

Q: Write an equation for the neutralization of H2SO4 by KOH

A:

Q: normal kitchen the steam inside the pressure cooker also inc 1. If a pressure cooker is used to…

A: 1. Given that, The initial pressure is P1 = 101.3 kPa, The final pressure is P2 = 191.0 kPa. We have…

Q: Predict the major product of the following reaction: 1) Hg(OAc)2, H₂O ? 2) NaBH4 O O 00 O O There is…

A: When alkene react with Hg(OAc)2, H2O followed by reduction using NaBH4 then alcohol if formed.  This…

Q: What is the rate of effusion of Cl2 relative to SO2?

A:

Q: A 100 mL buffer solution consists of 0.60 M lactic acid (HC3H5O3) and 0.60 M lactate ion (C3H503).…

A:

Q: A chemical reaction occurs when a chemical converts into another substance. Synthesis is one of the…

A: Given:-  Mass of Na = 40  Mass of cl= 50g For 1g of chloride 2 g of Na is used 10 g of Na used in 5…

Q: Q5. State whether each of these structures is the a-or B-form. CH₂OH HO Н Н H Н HO ОН ОН Н CH₂OH Н…

A: These are the  two isomers of glucose which differ from one another in such a way that the…

Q: Sorbic acid, CH2CH=CH=CHCH2COOH (pKa = 4.77), is widely used in the food industry as a preservative.…

A: Given data: The pKa of sorbic acid is 4.77. The concentration of potassium sorbate solution is 0.37…

Q: We have 500.0 mL of a buffer solution which is 0.651 M in NH3 and 0.354 M in NH4Cl. 500.0 mL of a…

A: The added HCl reacts with ammonia to produce NH4Cl. NH3 + HCl→NH4Cl So, the addition of HCl causes…

Q: Which functional group(s) would be added to 1-methylcyclohexene using the reagents below: H3O+…

A:

Q: Predict the product(s) for the reaction shown. ОН 1 О ОН 1. excess LiAIH 2. H2O OH OH IV ОН ОН П ОН…

A:

Q: Identify the relationship between the following compounds. CH3 H HO H3C. LOH Br Br -H CH3 H -I…

A:

Q: For each of the reactions and equilibrium constants below, determine whether the equilibrium mixture…

A: Given : value of equilibrium constant

Q: If the plot you make during Step 7 of the Kinetics 2 Data Analysis section of the lab procedure…

A:

Q: Write the reduction half reaction

A:

Q: Propose a synthesis for (Z)-hex-2-ene; you may use any reagents that you wish, so long as they add…

A: We have to synthesized (Z)-hex-2-ene.

Q: Draw the major product of this E1 reaction. Ignore any inorganic byproducts.

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: A 23.2 g piece of metal (C = 0.455 J/g oC) initially at 14.2 oC is placed in 35.2 g of water…

A:

Q: What is the most likely product of the following reaction? LOH III H or PCC CH₂Cl₂ IV ТОН

A:

Q: Is the answer 16.1 or 16.8?

A: Given, 8.04 ml of C2H6 .....

Q: Gaseous ammonia chemically reacts with oxygen (0₂) gas to produce nitrogen monoxide gas and water…

A:

Q: Be sure to answer all parts. An FM station broadcasts classical music at 104.3 MHz (megahertz, or…

A:

Q: What reagent(s) are suitable to carry out the conversion shown? OH Jo O A. 1.03; 2.1 equivalent of…

A: we have to identify the reagents needed to make the given conversion

Q: 7. The following experimental data were determined for the reaction described by SO3 (g) → SO₂ (g) +…

A:

Q: What volume in liters of CH3OH gas forms when 3.20 L of H₂ gas are completely reacted at STP…

A: Carbon monoxide reacts with hydrogen to form methanol. The equation for the balanced chemical…

Q: 3- compound a ↓ compound b m 9 Reagents a. HCI b. HBr CH₂O. H₂SO4 d. Br₂ e. Ch 1. 9 h. i. J. k. 1.…

A: Answer : The Reagents used are Reagent : eReagent: m Reagent: q The compound b & c is given…

Q: Al + Cu^2+ —> Al^3+ + Cu Standard reduction potential for Cu^2+ / Cu is +0.16 V, and for Al^3+ / Al…

A: We have to determine the oxidation number for each reactant and product

Q: Consider the insoluble compound nickel(II) hydroxide, Ni(OH)2. The nickel ion also forms a complex…

A: Nickel II hydroxide, NiOH2 is an insoluble compound . Nickel ion forms a complex with cyanide…

Q: For each of the following trivial names, draw the structure and write the correct IUPAC name. (a)…

A: The common name of these compounds are the name which are used in general to represent them   For…

Q: Calculate the mass percent of a solution that is prepared by adding 61.3 g of NaOH to 466 g of H₂O.…

A:

Q: 1. Draw the weakest C-H bond in the following structures. *

A: “Since you have posted multiple questions, we will provide the  solution   only to the first…

Q: A third titration used 22.5 mL of NaOH solution to neutralize 25.0 mL of 1.013 M HCl.  Determine the…

A: The reaction between NaOH and HCl is NaOH(aq)+HCl(aq)→NaCl(aq) + H2O(l)

Q: 17. Which solvent mixture would be the most polar? a. 100% hexanes b. 90:10 hexanes/acetone c. 80:20…

A: The polarity of the mixture: Suppose a non-polar solvent is mixed with the polar solvent the…

Q: What is the pOH of a 0.521 M weak base solution that has a Kb = 2.5 x 10-7

A:

Q: When copper metal is added to nitric acid, the following reaction takes place Cu (s) + 4 HNO3 (aq) →…

A:

Q: How much heat energy (in kJ) will be absorbed or released if 8.33 grams of ammonia is produced?…

A: We will calculate the energy by using the simple mole concept. Data is given for the energy of…

Q: At 125 °C, 1 mol O2 and 2 mol H₂ in a chamber have a total pressure of 3 atm. A current is run…

A: At constant temperature and volume, the pressure of a gas depends on the number of moles of the gas…

Q: chemistry class, 26 liters of a 3% silver iodide solution must be mixed with a 16% solution to get a…

A: Answer: - Given  1. 26 litre of a 3% silver iodide solution. 2. X litre of a 16 % solution Solution…

Q: What main type of intermolecular forces must be overcome in converting each of the following from a…

A: Intermolecular force:- the force of attraction or the force of repulsion between two neighbor…

Q: Is agar positive on anthrone test?

A: Anthrone test is also another general test for all carbohydrates. In this test also, carbohydrate…

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.