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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).
Get an expression for the fringe width in the interference pattern due to Young's double slit.
why is friction necessary
Q. What action reaction pair is responsible for pushing a car forward? Ans. The wheels push back on the ground using friction while the ground then pushes forward on the
what does it do?function?
Q. Define Fermi energy. Write down the expression for Fermi Dirac distribution law. Deduce an expression for Fermi energy of a system of free particles. Sol. The Fermi Energy
My question is that if voltage is increased, the electrons will move faster and the distance between them is changed. Why?
Power is to be supplied from a source whose resistance is 20 K ? to a load of 100 ?. Would you consider it as a constant voltage source or current source? Explain. Ans. G
Shear force diagram (SFD) and bending moment diagram (BMD) are a graph of shear force / bending moment plotted against the horizontal axis x, indicating the shear force / bending m
An infinitely long wire carries a current of three amps. The magnetic field outside the wire: a) Points radially away from the wire b) Points radially inward c) Circ
Explain Buoyancy in Air The same buoyancy happens in air. This is how hot air balloons fly. By heating the air and lowering the density of the air in the balloon, the balloon f
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