The progressive nucleation of minerals from the melt leaves the magma depleted in certain elements. This change in magma composition is called magmatic differentiation and accounts for the great variety of igneous rocks found in nature. The separation of liquid and solid phases through crystal settling further contributes to this diversity.
Use your understanding of Bowen's reaction series and crystal settling to determine which mineral associations should not be found in nature.

more info ? ? i don't understand what the question is

explanation:

when the volume of gas is   changed from   717.73 ml   to 852 ml   the temperature will   change   from 315   c to 452   c

    calculation

this is calculated using the charles law formula

that is,   v1/t1 = v2/t2

          v1=?

        t1 = 315 c   into   kelvin = 315 +273 = 588 k

        v2 = 852   ml

        t2 = 425c + 273 =698 k

make v1   the subject of the formula ( by   multiplying both side by t1)

  v1=( v2 xt1) / t2

v1= (852 ml   x 588 k)/ 698 k= 717.73 ml

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b.false that your answer