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Define the Process - Liquid-Solid-Liquid?
A small quantity of water of mass m = 50g in a container at temperature T = 273 K is placed inside a vacuum chamber which is expatriate rapidly. As an effect part of the water freezes and turn into ice and the rest becomes vapor.
a) What quantity of water primarily transforms into ice? The latent heat of vaporization (water/vapor) qv = 600 cal/g and the latent heat of fusion (ice/water) qi = 80 cal/g.
b) A piece of heated metal alloy of mass M = 325 g and original volume V= 48 cm3 is placed inside the calorimeter together with the ice obtained as a result of the experiment in (a). The density of metal at T = 273 K is p0 = 6.8 g/cm3 the thermal capacity is C= 0.12 cal/g K and the coefficient of linear expansion α = 1.1.10-5 K-1 How much ice will have melted when equilibrium is reached?
DC high-current measurement: In common with many simple multimeters, both analogue and digital, the high current range (e.g. 10A) is not only selected using the range selector
Since polymeric materials can be formed in thin, highly uniform and non porous films with high dielectric strength, these materials are preferred dielectric materials for capacitor
Suppose that we have a monochromatic non-diverging beam of x rays that are incident on a slab of Pb. Inside the Pb plate there are three apertures (openings) that allow the beam
magnetic devices & functions
Chain Reactor: Splitting of nuclei also causes the emission of neutrons. If these neutron cause further fission in the other nuclei and this process continues, then it is known
The recombination procedure is represented with returning the electron from the CB where it is free into a hole in the VB where it is in a bond. The excess energy of the electron
Determinism principle It is the principle that if one knows the state to an infinite accuracy of a system at one point in time, one would be capable to know about the state of
People believe that seatbelts are a MUST. But they think that they could increase the risk of other road users. Explain why it would be difficult to gather evidence for this idea..
The minimum real charge on any particle which can exist is: (1)1.6x 10 -19 coulomb (2) 1.6x 10 -10 coulomb (3)4.8 x 10 -10 coulomb (4)Zero Ans: (1)1.6x 10 -19 c
what does it do?function?
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