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Define Surface Contaminations (Wisconsin-Madison)?
A surface scientist wishes to remain an exposed surface "clean" (≤ 0.05 adsorbed monolayer) for an experiment lasting for times t≥5 h at a temperature T =300K. Calculate approximately the needed data and calculate a value for the required background pressure in the apparatus if each incident molecule sticks to the surface.
explain fresenl''of optical rotations theory
Coupled Harmonic Oscillators Two easy pendulums connected through a spring. The mass of one of the pendulums may be varied. Within mathematical rounding errors, the resolution
the two point charges +10 nano coulomb and -20 nano coulomb are seperated by a distance 0.1m. calculate the neutral poiint along the line joining two charges.
Two stable isotopes of lithium and have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium.
Simple 'spring' balance Punch four holes in an old tin lid with a nail, spacing them partially round the circumference. Pass pieces of string by these holes and tie them togeth
how to created physica assignment
Why bulky group present at axial position of chair or boat conformer is less stable compared to equitorial position? Ans) Let the bulky group has a large mass M. suppose it is a
BH curve: For any ferromagnetic material there is a definite value of flux density (B), corresponding to a specified value of magnetising force (H). These values can be ascert
Verify the principle of potentiometer. Illustrate a circuit diagram used to compare the e.m.f. of two primary cells. Write the formula used. How can the sensitivity of a potentiome
Can you explain in single slit diffraction intensity of 1 st secondary maximum is less than that of principal maximum by how many times?
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