Add text: Alcohols are organic compounds which are formed by replacing one or more hydrogen atoms with a so-called ………………………… group whose chemical form is. If this diatomic group is attached to a benzene (aromatic) nucleus, then we are talking about compounds called ……………………… The nomenclature of all these compounds is ……… The best known of this group are alcohols …………………… and …………………… There are also alcohols with more functional groups. Two groups contain poisonous ………………, which is used in automobile transport mainly as …………………… Three functional groups contain tricarbon ……………………, which can be found, for example, in chocolates, or uses for the production of products that are well absorbed by our skin. This alcohol was also used by Alfred Nobel in the preparation of dynamite.

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

answer : (a) volume of the gas = 8.67 ×   l

                (b) second virial coefficient b = -1.21226 l/mole

solution :   given,     t = 300k

                                p = 20atm

                                z = 0.86

                                n = 8.2 mmoles = 8.2 × moles

                                r =   0.082 l atm/k/mol

        find,     (a) volume of gas   and (b) second virial coefficient b at 300k.

formula used :            

                          and            

(a)            

                    = \times 0.082\times 300}{20}[/tex]

                    = 8.67 ×   l

(b)      

                    = (0.00867-1) × 8.659

                    = - 8.5839 l/mole

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