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6.1 moles of steam at 100 oC are condensed at 100 oC and the resulting water is cooled to 47.1 oC. Calculate the entropy change for this process.
(The molar heat capacity of liquid water is 75.3 J mol-1 K-1, and the molar enthalpy of vaporisation of water is 40.8 kJ mol-1 at 100 oC).
a beam of electron is incident on barrier 6eV high and 0.2 nm wide. find the energy in eV these should have if 1% of them are to get through the barrier.
When a person stands on a scale in an elevator at rest, the scale reads 800 newtons. When the elevator is allowed to fall freely with acceleration of gravity, the scale reads o
1. Krusty the Clown and Sideshow Bob have covered themselves in velcro, and shot themselves out of a large cannon so that they stick to a huge rotating velcro wheel (don't try this
is door a example of translatory motion
A radiation of 500nm is incident on a metal surface whose work function is 3ev.why do we not observe the phenomenon of photoelectric effect? Ans) Because the energy of radiation i
find time period and frequency of vibration of water level in a limb of manometer executing simple harmonic vibrations
What are the disadvantages of fibers optics? This must be borne in mind that the real nature of the conductor, in lighting systems, shows only one of the components responsible
can i get assistance here with questions involving the design of a permanent magnet magnetic bearing?
Suppose a baseball rolls 3.2 m across the floor. If the ball's angular displacement is 82 rad, what is the circumference of the ball?
Gold: Atomic number 79 Symbol Au Atomic weight 196.9665 discov
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