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When are intermolecular forces the strongest?
Intermolecular forces (dipole-dipole, dispersion and hydrogen bonds). These forces are weaker than chemical (covalent) bonds. Thus molecular solids are soft, and have a generally low melting temperature.
Determine the change in entropy when 2 kg of a gas at 277 K is heated in a closed, rigid container to a temperature of 368 K. Take the specific heat at constant volume to be 1.42 K
discussion
the two point charges +10 nano coulomb and -20 nano coulomb are seperated by a distance 0.1m. calculate the neutral point along the line joining of two charges
Q. What is artificial radioactivity? The phenomenon by which still light elements are made radioactive by artificial or induced methods is called artificial radioactivity. α
A 2kg piece of copper at 200 o C is taken out of a furnace and is allowed to cool in air with an ambient temperature of 25 o C. Calculate the entropy change in the universe as a
Inductors are used extensively in analogue circuits and signal processing. Inductor in conjunction with capacitors and other components form tuned circuits which can emphasize or f
(i) Value of vibration of a particle is described as the number of vibrations done by particle in one second. (ii) It is the value of total wavelengths traversed by the wave in
types of ANDGATE circuit and gate operation
What is damped and undamped eletromagnetic waves Ans) A damped wave is a wave whose amplitude of oscillation decreases with time, eventually going to zero.
Rutherford’s atomic model failure Rutherford proposed that the electrons circulate around the nucleus. However according to electromagnetic theory, such circulating elect
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