Explain hair splits most easily along its fiber axis

Assignment Help Chemistry
Reference no: EM13272496

Hair splits most easily along its fiber axis, whereas fingernails tend to split across the finger (sideways) rather than along it. What are the directions of the keratin fibrils in hair and in fingernails? Explain your answer in molecular terms.

Reference no: EM13272496

Questions Cloud

Explain uranium for use in nuclear power plans involves : One of the first steps in the enrichment of uranium for use in nuclear power plans involves a displacement reaction between UO2 and aqueous HF to produce the green salt, UF4, and water.
Why have two-thirds of americans failed to prepare a will : Why have two-thirds of Americans failed to prepare a will? Explain.
Draw a space-time diagram of the communication process : A two-way link has a data rate of 40 kb/s while transmitting data in either direction, and a propagation delay of 20 milliseconds in each direction. A is sending frames of 1000 bits to B using stop-and-wait ARQ.
How should they finance their retirement : What estate planning documents should they have in place? What estate planning documents should their children Molly, Caleb, and Tyler have?
Explain hair splits most easily along its fiber axis : Hair splits most easily along its fiber axis, whereas fingernails tend to split across the finger (sideways) rather than along it. What are the directions of the keratin fibrils in hair and in fingernails
Specify the nameplate voltage rating and kva rating : You are asked by your supervisor to witness factory tests to be performed on 15 single-phase transformers that your company plans to purchase. The 15 single-phase transformers will be used to make five three-phase banks.
Explain the reactant acting as an acid and the reactant : Identify the reactant acting as an acid and the reactant acting as a base. Indicate whether the acid is Bronsted Lowry acid, Lewis acid or both.
Explain the decomposition of ozone to molecular oxygen : The rate law for the decomposition of ozone to molecular oxygen: 2O3(g) --> 3O2(g) and the mechanism proposed for this process is: O3 O + O2 and O + O3 --K2--> 2O2. Derive the rate law in terms of K1, K-1 and K2.
What is the minimum resolvable wavelength interval : A Fabry-Perot interferometer is to be used to resolve the mode structure of a He-Ne laser operating at 632.8 nm. The frequency separation between the modes is 150 MHz. The plates are separated by an air gap and have a reflectance of r^2=0.999.

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of so2 are formed

If 114 grams of CS2 are burned in an excess of O2 (an amount sufficient to burn completely all 114 g of CS2), how many moles of SO2 are formed?

  State what is g for the reaction at the specific temperature

At 700 K, the equilibrium constant for the reaction CO(g) + H2O(g) ? CO2(g) + H2(g) is 5.10. What is G for the reaction at the specific temperature

  Explain a resting nerve cell membrane

Explain a resting nerve cell membrane, sodium-potassium pump, action potential and what wil happen if sodium channels were blocked

  What is the boiling point of water in breckenridge

In Breckenridge, Colorado, the typical atmospheric pressure is 514 torr. What is the boiling point of water (ΔHvap = 40.7 kJ/mol) in Breckenridge?

  Define what is the concentration ratio of the free

what is the concentration ratio of the free (and potentially toxic) Pb^2+ (aq) in the blood to the much less toxic Pb^2+ -EDTA complex

  Compute the ph of a sodium acetate

Calculate the pH of a 1.00 L solution which is made up of 0.046 mol acetic acid and 0.026 mol sodium acetate.

  Calculate the number of excess reagent units remaining

calculate the number of excess reagent units remaining when 41 C2H4 molecules and 102 O2 molecules react?

  Explain products at home containing organic molecules

Products at Home Containing Organic Molecules, Find two or more products in the home that contain organic molecules. From these products, make a list of 10 organic compounds present in the products.

  Calculate the change in entropy for the process

The heat of vaporization of 1.0 mole of water at 100°C and 1.0 atm is 40.6 kJ. Calculate the change in entropy for the process H2O(l) → H2O(g). Document your work here.

  Explain the standard enthalpies of combustion for ethanol

The standard enthalpies of combustion for ethanol and dimethyl ether are -1367kJ mol-1 and -1460kJ mol-1, respectively, at 298K. what is delta U at 298K for the purposes below:

  Explain what is the collision frequency

A gas mixture contains H2 at 2/3 bar and O2 at 1/b bar at 298 K. The diameters of H2 is 0.272 nm and O2 is 0.360 nm. What is the collision frequency \(Z_{12}\) of a hydrogen molecule colliding with oxygen molecule

  What are the hydrolysis by-products

what are the hydrolysis by-products? What limits the reaction? What determines whether the hydrolysis reaction proceeds from cellulose to sugar (e.g. glucose) or continues on to convert the sugars to alcohol?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd