Hydrogen gas is produced when zinc reacts with sulfuric acid: Zn(s) + H2S04(aq) -> ZnS04(aq) + H2(g) 159 mL of H2 gas is collected over water at 240C and a total barometric pressure of 738 torr, how many grams of Zn have been consumed. The vapor pressure of water at 240C is 22.38 torr.

.415grams of Zn

Explanation:

beta decay is the answer

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