How can you recognize an amine? O A. It has a C=0 group attached to two R groups.
B. It has an O molecule attached to two R groups.
C. It has an -NH2 group attached to the molecule.
O D. It has an -OH group attached to the end of the molecule.

C. It has an -NH2 group attached to the molecule.

Explanation: A P E X

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

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2