Petroleum is a fossil fuel containing many different carbon compounds. If the carbon atoms in petroleum have been in the ground for 100 million years, what fraction of the initial C-14 atoms is still there? (t1/2 = 5,370 yr)

Q: 10. Differentiate between double salt and complex salts with suitable examples. Based on Werner's th...

A: Double Salts :  These exist only in solid state and dissociate into constituent species in their so...

Q: Calculate the degree of unsaturation. Assign the relevant peaks in the IR spectrum. Assign the peaks...

A: The structure of the following is:  

Q: Write the condense structure of the following compound 4. 2- Butanone 5. Heptanoic Acid

A: The condensed structural formula is a shorthand representation of an organic molecule. In the conden...

Q: Peacciones presentadas siguen el mecanismo SN1 o SN2. 1 H3C CH,01 CH,OH CH CH,COO-1 H3C Br CH,COOH C...

A: SN2 preferred primary alkyl halide to give nucleophilic substitution reaction while tertiary alkyl h...

Q: draw expanded structure and bond line drawing for each CHCCH-C(O)CНз CH2CI(CH2)½CH(CH3)2 (CH3)2CHCHC...

A:

Q: For a gaseous reaction, standard conditions are 298 K and a partial pressure of I bar for all specie...

A: Relation between equilibrium constant and delta G.....

Q: Identify the strongest IMF acting on the pair of substances given. Cl2and HCl HF and NH3 CH3OH and ...

A: An intermolecular force is the force that mediates interaction between molecules, including the elec...

Q: Calculate the pH of a solution prepared by dissolving 1.75 g of sodium acetate, CH3COON,, in 53.5 mL...

A: Given,  Mass of CH3COONa = 1.75 g  Molarity of CH3COOH = 0.15 M  Volume of CH3COOH = 53.5 mL  Acid d...

Q: how many drugs could we test for antitumor activity with a 51x41 grid ofcompounds?

A:

Q: Calculate the heat needed at 0oC to make each of the following changes of state. Indicate whether he...

A:

Q: 3. Give the balanced equation which shows the decomposition reaction of solid aluminum chlorate [Al(...

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Q: A 10-ml water sample containing oniy C* and H" has a pH value of 3. The sample was passed through a ...

A:

Q: Arrange the following in order of decreasing acidity, i.e., strongest acid first. HF (KA = 6.8 x 10*...

A: Greater is theKA value  , more will be the acidity of the species. So, let's arrange in the decreasi...

Q: what reagents can you use to connect the cl to the double bond to make it all one product? CI 3D0

A:

Q: A 0.01 m solution of a weak electrolyte ionizes into 4 ions freezes at -0.062C. What is the apparent...

A: Solution is made up of two components which are solute and solvent. Solute is present in the minor a...

Q: A flask containing 43.21 mol of water is heated and the temperature of water increases from 25°C to ...

A:

Q: 12. What is the significance of the following stereochemical result: Co0 COo- mutase H- OH CH OP CHO...

A: Isotopic labelling is one of the ways to track the movement of atoms in any mechanism. Mutase enzyme...

Q: Define 1. Molecular mass 2. Mole

A: Molecular mass:  Molecular mass is a number which indicates how many times one molecule of a substan...

Q: The hydrogen oxalate ion HC,O," is amphoteric. Show how this is so by completing the following equil...

A: A question based on equilibrium concept that is to be accomplished.

Q: Define and explain the difference between molecular weight and atomic weight. With examples. 5. Cal...

A: Atomic mass is the mass of an atom. 

Q: 2p, 2p. 2py 2p. 2p. 2Py 2р, 2р. 2р, 2p, 2p, 2py 2s 25 2s 2s lUse MO theory to determine the bond ord...

A:

Q: 10.11 Write equations for the following processes, noting appropriate conditions: (a) electrolysis o...

A: As per the rules only the first three sub-parts of a question can be answered. Please repost the oth...

Q: What is the concentration of a glucose solution that needs to be prepared to be isotonic to match th...

A: For isotonic solutions the osmotic pressure  of both the solutions should be equal .

Q: PROCEDURE 1000 mg L-asocrbic acid tablet (pulverized into fine powder) Molar mass of tablet = 176....

A: A question based on introduction to chemistry that is to be accomplished.

Q: empirical formula?

A:

Q: Name of Experiment: Determination of the formula and stability constant of a silver complex. Q1: Pur...

A: Name of Experiment- Determination of formula and stability constant of Silver complex.   1) Purpose ...

Q: Lewis structures of molecules compounds. Recall the rules in drawing a Lewis structure anduse them t...

A: Rules to draw Lewis structure: - Find the total valency electrons of the molecule. - Choose central ...

Q: Fill out the following table. Time (min) [A] consumed, [A],- [A], [B] consumed, [B], – [B], 15 40 De...

A: Here, we have to determine the progression of the reaction with time and how much concentration is c...

Q: At 425°C, Kç = 55.2 for the reaction H2(g) + 12(g) 5 2HI(g). What is the equilibrium concentration o...

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Q: Provide the corresponding conjugate acid for the following substances: a. NH, b. H c. HPO,?

A:

Q: When you try to observe the different cosmetic products packaging, you will see a portion indicating...

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Q: AL(NO3), + KaSOs Alb (Sos),+ KNOJ 3

A: Al(NO3)3 + K2SO3 → Al2(SO3)3 + KNO3

Q: The following reaction is at equilibrium at a pressure of 1 atm, in a closed container: C2H2(g) + 2H...

A: We have to predict the direction of reaction   

Q: A voltaic cell using Mg(s)/Mg2+(aq) and Cu(s)/Cu2+(aq) half-cells operates under standard conditions...

A:

Q: The addition of strong acid to a weak base will create a_____ , where the strong acid is_______  con...

A: When we add strong acid the weak base I. e. Strong acid vs Weak base titration.  For example,  Addin...

Q: What are the present Functional Groups in the drug molecule below. Show complete solution with appr...

A: Functional groups are special groups which are formed due to presence of hetero-atoms in a compound....

Q: What is mass defect and binding energy for C14 nucleus

A: The mass defect and binding energy can be calculated as

Q: A flask containing 1059 g of water is heated and a temperature increase from 32.4 °C to 67.6 °C. How...

A: The mass of one mole of water is = 18 g The initial temperature of the water is = 32.4oC The final t...

Q: For the following reaction, 5.16 grams of water are mixed with excess diphosphorus pentoxide . The r...

A: Diphosphorus pentoxide reacts with water to form phosphoric acid. The equation for the balanced chem...

Q: Starting with alchemy and the foundations of this idea, create a timeline of chemistry's history

A: In the ancient Egypt the Alchemy was born and the word Khem was denoted to the food plains fertility...

Q: an arrow from a reagent write the formula(s) for the ion(s) present in solution. Write the procedure...

A: The answer is as follows:  

Q: What are standard transformed states of Gibbs Free Energy and the Equilibrium Constant and why is th...

A:  Equilibrium Constant

Q: Identify which one in each pair has a higher boiling point and explain briefly the reason for your c...

A: Boiling point is defined as the point at which vapour pressure of liquid becomes equal to atmospheri...

Q: Write a balanced reaction for which the following rate relationships are true. 1 A[NH3]_ A[N2]_ 1 A[...

A:

Q: The boiling point of sulfur is 444.6°C. Sulfur’s melting point is 593°F lower than its boiling point...

A:

Q: 6. To what temperature can a 20 dm oxygen pressure flask containing 1.6 kg of oxygen be heated if th...

A: Q6)  

Q: A solution is labeled 0.0404 M Sr(OH), Complete and balance the dissociation of Sr(OH), into ions in...

A: pH of solution is defined as negative logarithm of hydrogen ions.

Q: Calculate E° for the reaction: CIO4 + 6 CI` + 6 H3O* →CIO + 3CI2 + 9 H2O E°CIO,/CIO", H30* = +1.360,...

A:

Q: 6) The following set of data was obtained by the method of initial rates for the reaction: 2 HgCl2(a...

A: We have to predict the rate law.  

Q: The chemical formula for hydrogen fluoride is HF. A chemist determined by measurements that 0.0450 m...

A:

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.