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Q. Explain Molarity and Replacement Reactions?
Ans.
Frequently in the chemistry lab we are confronted with situations where we are interested in the yield of a certain reaction but the reaction is not a simple mass-mass reaction. We must figure out some way around the problem.
Remember that in order to do any sort of stoichiometry you must
a) have a balanced chemical reaction and b) you must convert to moles before applying your reaction ratios.
In these problems, you are given the volume of one of the reactants and the molarity. You are going to need to convert the volume into moles using the definition of molarity (M). (Molarity is moles per liter of solution.)
The calculation should look something like this:
Its Tetrahedral ( 4 sigma bonds )
The hydride ions H- are isoelectronic with: (1) Li (2) He + (3) He (4) Be Ans: He
Classification of polymers - Linear polymers These are polymers where monomeric units are linked together to form linear sequential chain. These linear sequential polymers are
Q. Moisture removal in foods by different drying techniques? To carry out the moisture removal in foods by different drying techniques. • make yourselves familiarized with
hittorf rule
what do you mean by homologous series .
what is the effectof mesomerism on aromatic compounds.
The table below gives intrinsic viscosity values explained by viscometry and weight- average molar mass values explained under the similar conditions by static light scattering
WRITE HALF-REACTION FOR THE REDOX Fe2+ + MnO4- =Fe3+ + Mn2+
Characteristic flame colour: specific metals and their salts impart particular colours to Bunsen burner flame. (1) Pb (plumbum) impart pale greenish colour to the f
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