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Books are being replaced by the electronic media nowadays. This has happened as a consequence of globalisation and use of internet. People prefer to use internet for reading books and articles. But, this is an undeniable fact that we can never do away with books altogether. This proposition can be supported by the fact that books have their own utility value because they are a long lasting medium of information. Books are more trustworthy source of information than any other electronic media. Moreover, books can be read at a person s own pace and will. 

Given, Mass, m = 20 kgInitial velocity, u= 5 ms-1 Final velocity, v= 2 ms-1Work done = change in K. E.             W = 12 mv2 - 12 mu2                  = 12 m ( v2 - u2)                 = 12 x 20 x (22 - 52)                  = 10 (4-25)                 = -10 x 21                 = -210 JHere, the negative sign implies the retarding nature of the applied force. 

Standard entropies of X2, Y2 and XY3 are 60, 40 and 50 JK^-1 mol^-1, respectively..... For the reaction, 12X2+32Y2→XY3,ΔH=-30KJ , to be at

Given,molality = 0.0020 mΔ Tf = 0o C -0.007320 Ckf = 1.86 oC/mΔTf = i.kf x mi = ΔTf/ kf x m= 0.00732/1.82 x 0.0020= 1.92 = 2.....A 0.002M aqueous solution of an ionic compound [Co(NH3)5(NO2)]Cl freezes at -0.00732∘C. Find the number of moles of ions which 1 mole of ionic compound produces of being dissolved in water. (Kf=-1.86∘C/m).

Using the formula we get:∆G° = -nFE°cell           = -2.303 RT log Klog K = nFE°cell2.303×R×T          = 2×96500×0.462.303×8.31×298 = 15.5     K = 3.69×1015.

Office Memorandum is a communication issued by an appropriate authority stating the policy or decision of the government. A Special Order of the Government is an Office Memorandum. ... Basically, an Office Memorandum is a document released by a proper authority stating the government's policy or decision. It is recognized as an order from the government or a circular released by the executive branch.

Find list of CBSE Statewise Affiliated Schools in India. Get all Statewise and Region wise Indian and Country wise all Forgien CBSE Affiliated Schools. Find the right school for your need board wise. You have an option to browse schools through region wise, state wise or district wise. Students can enroll themselves for any at free of cost.