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two forces p amp 2p act on the particle if the first is doubled amp the second enhanced by 20nthe direction of the resultant remains unchangedwhat is
what is a capacitor a capacitor is basically a two conductors conencted with an insulatorit stores great amount of
how are the colloids classified on the basis of the nature of interaction among dispersed phase and dispersion medium describe a significant
a reaction is first order in a and second order in ba write differential rate equationb how is the rate affected if the concentration of b is
two elements a and b form compounds having molecular formulae ab2 and ab4 dissolved in 2o g of benzene 1 g of ab2 lower the freezing point by 23 k
calculate the density of silver which crystallizes in the face-centred cubic structure the distance between the nearest silver atoms in this
types specimens of echpnodermata before we begin the study of the selected specimens of the following echinoderms - feather star brittle star sea
classification with its justificationkingdom animalia animals multi-cellular organisms with cells that lack a cell wall many capable of
consider a person having mass m and holding two balls every of mass m is at rest over a frictionless surface now the person throws one ball towards
q what do you mean by echinodermatayou will recall that pliylum echinodermata includes spiny skinned animals which are exclusively marine gr
the equation of an equipotential line in an electric field is y2x then the electric field strength vector at 12 may
explain the following termsa asymmetric moleculeb r and s
taking a specific example show that as total is a criterion for spontaneity of a changewrite the cell reactions which occur in lead storage batteryi
q classification and justification of hemichordatakingdom animalia animals multicellular organisms with cells that lack a cell wall many capable of
give chemical reaction in support of each of the following statementsi the 1 oxidation state gets stabilised progressively from ga to ti in groupii
mention two properties of acetonitrile b of which it acts as a good solventdraw a diagram showing the formation of bonding and antibonding molecular
q type specimen of class enteropneustaexamine the specimen and note the following features1 balanoglossus has a soft elongated worm-like body which
give an example of a pseudo first order reactionwrite the iupac name of the following ch32
two typical characters of the hemichordata that can be observed and used to identify them arei soft worm-like or short unsegmented bodyii body is
name a substance which on addition to agcl causes vacation vacancy in itmention a large scale use of the phenomenon called reverse
q scheme of classification of phylum hemichordatethese are about 90 species of hemichordates all are marine and live in the open sea or in muddy
define the following observationsi most of the known noble gas compounds are those of xenonii cif3 exists but fci 3 does notiii between the hydrides
q observation of hemichordata bullidentify balanoglossus as a hemicliordate and give its scientific and common namebullclassify balanogiossus lip to
a how is aniline obtained from benzeneb why are the secondary amines more basic than primary amines describec write the complete chemical reactions
a starting from a sample of chromate ore how is potassium dichromate prepared explain all the steps included with chemical equationsb write the