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Q. What are Changes in Matter?
Matter is able to undergo two fundamental kinds of changes. Changes that don't alter the composition of matter are called physical changes. State changes in that matter changes from one phase (or state) to another are common examples of physical changes. The temperatures at that the phase changes of boiling and melting take place are important physical properties of substances.
A student recreates the milikan oil drop experiment and tabulates the relative charge of oil drops in terms of a constant a. Find the charge of a Drop 1. A Drop 2. 3/2 a Drop
An air oven A large tin can is used as an air oven. A hole through the lid fitted with a cork holds a thermo- meter, and the saucer or dish rests on a wire gauze bridge placed
convert benzene to phathalic acid #Minimum 100 words accepted#
The coordination number of Ni in the complex is 4, the configuration of Ni +2 , at first sight, shows that the complex is formed by sp 3 hybridization and it is paramagnetic an
why alkane are less rective then alkene?
#space lattice, unit cell, calculation of particles per unit cell, laws of crystallography, symmetry elements in crystals, derivation of braggs equation#
A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent and
Ethylbenzene Ethylbenzene has a three-proton triplet and, at somewhat greater chemical shift, in the benzylic proton region, a two-proton quartet. p-Xylene has a six-proton si
Q. Explain about Sulphuric Acid? Sulphuric acid is one of the most important chemicals, both in industry as well as in the laboratory. Two methods are industrially used for
convert km to m
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