Ankur

This page lists questions and answers that were posted by visitors named Ankur.

Questions

The following questions were asked by visitors named Ankur.

an object travels in a straight line at a constant acceleration for 6 seconds.in the first 2 seconds it travels 18 metres and in entire 6 seconds it covers 102 metres. find the acceleration.

The fictitious compound, pandemonium fluoride (PnF2) has a Ksp value in water of 3.091×10−9M3 at room temperature. Calculate the solubility of PnF2 in water. Express your answer in units of molarity.

xplain why the value of the band gap energy, Eg, decreases in the following homologous series: Cdiamond=5.4 eV; Si=1.1 eV; Ge=0.72eV; Sn=0.08 eV. As we move down the group, bond strength increases. As the strength increases, materials become more metallic...

Answer the following questions by referencing the six stress-strain curves below. (a) Which of the stress-strain curves are for materials that are purely elastic? A B C D E F You have used 0 of 2 submissions 1.0 POINT (b) Which purely elastic material has...

Shown above are images of two amino acids, along with the pKas of each of their titrateable groups. (a) Calculate the isoelectric point (pI) of the dipeptide Glycine-Arginine. unanswered (b) Calculate the isoelectric point (pI) of the dipeptide Arginine-G...

Calculate the surface energy of the (100) surface of niobium. The enthalpy of atomization of niobium is 745 kJ/mole. Express your answer in units of J/cm2.

The mean distance of the sun from the sun is 150 million kilometres.Express this in scientific notation.

What is the unit vector in R^2 which makes an angle of π4 with both the x- and y-axes?

torque to move a block of m=200kg for 10m at an angle of 25 degree with a speed of 20m/s.

Answers

The following answers were posted by visitors named Ankur.

thnx guyz !!!!!!!!

Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−5 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free carrie...

Explain from the 4 reasons given: a b c or d ? thanx

b)deadweight loss effect

p(p+3q)+q^2(1+2q-2)+4yz