Carbon dating can be applied to organic materials up to 5.0 x 10 years old. What percentage of the original C is present in a sample after this IS much time? The half-life of “Cis 5730 yr.

Q: complete the following table for aqeuous solution of potassium hydroxide. show complete solution.…

A: Molar mass of KOH = 56.11 g/mole Molar mass of H2O = 18.02 g/mole Density of solution = 1.43 g/ml…

Q: Answer the Questions below True or False: Less energy is required for regeneration in adsorption…

A: It is to be stated whether the regeneration step requires less energy in adsorption than absorption…

Q: 18. Stainless steel can resist corrosion, it is made by adding 10.5% of A. C 19. B. Cr C. Zn D. Ni…

A: Chromium 10.5% is added to resist corrosion. Due to addition of chromium passive layer forms and it…

Q: For a AA, BB type polymerization, assume the ratio is 1: 0.9995. How much conversion do you need to…

A: The degree of polymerization is the numeric count of monomer units in the polymer. For the…

Q: Problem 3: For a sandstone reservoir, calculate the water saturation if the porosity (Ø) is (20 %),…

A: (3) Write the Archie equation as follows: Sw = aRwϕ2Rt    ......1   Given, The resistivity of the…

Q: How many chiral carbons are present in the open-chain form of galactose? Also Draw the structure of…

A: The number of chiral carbons present in the galactose at the open chain is to be mentioned. The…

Q: A sample was originally weighs 11.67 g. After a year, it has found that 22% of the mass has decayed.…

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Q: Q1 It is well known that any radiocarbon takes several decades to disintegrate. In an experiment,…

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Q: What do you mean by the term distillate fuel?

A: In general the distillate fuel is a type of liquid fuel which is distilled from crude petroleum. It…

Q: A polypropylene sample is just buoyant in an alcohol of density r = 0.9 g cm-3. Calculate its mass…

A: Crystallinity defines the degree of long-range order in a material, and strongly affects its…

Q: Two thousand kilograms of a 94% NaNO3 solution in water is at a temperature of 1000C. This is sent…

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Q: Saccharomyces cerevisiae grows with a doubling time 2.4 h in the exponential growth phase. Calculate…

A: Saccharomyces cerevisiae is a species of yeast, commonly known as baker's yeast or brewer's yeast.…

Q: Starting with a structural fragment, draw a complete structural formula by adding all of the…

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Q: 3. (a.) Explain how Mg in 6061 aluminum can increase the strength of Aluminum in terms of defect…

A: It is asked that :a) How aluminium's strength is increased by Mg 6061.b) Observable effects on…

Q: Q8: HH H HH HH II c=c+c=c+c=c Styrene monomers I Polymerization HH HHHH I c-c-c-c-c-c-H C I H…

A: Polymerization is a chemical process in which tiny molecules, known as monomers, are chemically…

Q: How could we use (a) relative permeability- saturation relationship and (b) imbibition rate to…

A: Introduction Relative permeability is "a direct measure of the ability of the porous system to…

Q: 2) Certain material is dried under laboratory conditions and it was found that 2 hours is needed to…

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Q: What chemical reactions take place in Westvaco process?

A: The chemical reactions that takes place in the Westvaco process are to be mentioned.

Q: The following table lists molecular weight data for phenol-formaldehyde material Compute the degree…

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Q: What is the approximate age of a bone found to have only 16% of the 14C (t1/2 = 5730 years) that is…

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Q: What is the difference between a homogeneous and a heterogeneous azeotrope?

A: The difference between a homogeneous azeotrope and that of a heterogeneous azeotrope is to be…

Q: What can you say about black cotton soil in farming vegatables or different crops?

A: Black Cotton Soil is a cohesive soil. Swelling brought on in Black Cotton Soil throughout the wet…

Q: An unknown polymer sample was found to have the following molecular weight distribution: Molecular…

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Q: Calculate the followings. (50 drops/mL. 10 drops/monolayer, Inner Diameter of Petri dish - 14.00 cm,…

A: (A) Given, 1 monolayer = 10 drops1 mL = 50 dropsstearic acid = 1.42×10-4 g/mLdensity of stearic acid…

Q: 1. The following table lists molecular weight data for polystyrene. Compute (a) the number-average…

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Q: How can you differentiate between natural and engineered nanomaterials in the environment?

A: Nano-materials can be defined as materials which has size of less than 100 nm in atleast one…

Q: An LDPE polymer is having 200 monomeric units in its structure. The molecular weight of the polymer…

A: Given data: Molecular weight of the polymer = 10000 g Number of monomeric units = 200

Q: Would it be possible to determine the composition of a complex mixture without chromatography? Which…

A: Gas chromatography is the process of separating compounds in a mixture by injecting a gaseous or…

Q: Final strength of thermomechaniclly processed steels is dependent on the ferrite grain size and this…

A: Introduction Stainless steels can be classified by their crystalline structure into three main…

Q: 3. Complete the matrix of view factors below for the 4-Zone Enclosure: A: = 1.25 in?; A2 = 2.75 in?;…

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Q: What are two most common modes of operation of thermogravimetric analysis (TGA)? Name one most…

A: Common Mode of Operation: 1. To check the thermal Stability In this TGA, used to check the thermal…

Q: Carbon-11, used in medical imaging, has a half-life of 20.4 min. The carbon-11 nuclides are formed,…

A: The percentage of original carbon-11 remains after the complete process is to be determined.

Q: b) What is the degree of polymerization in polystyrene where the average molecular weight is…

A: Polymerization is a chemical process in which tiny molecules, known as monomers, are chemically…

Q: What are typical ratios of nanomaterials to polymers in polymer in polymer nanocomposites?

A: To explain what the typical ratios of nanomaterials to polymers in polymer nanocomposites are

Q: Complete the table for the radioactive isotope. Isotope 14C, Half Life (In years) 5715, Initial…

A: The initial quantity of the isotope and the amount after 10000 years are to be calculated.

Q: The initial amount of the radioactive material, K, in a rock is determined to be 6.78 mg. Only 1.46…

A: Given, Mo = 6.78 mg M1 (after 1002 years) = 1.46 mg t1/2= 452.3 yrs Now, we have to find the amount…