NaNo3+PbO-Pb(No3)2+__Na2O

For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.

Calculate the concentration of all species in a 0.165 m solution of h2co3.

The half-life of a certain element is 100 days. how many half-lives will it be before only one eighth of this elementremains?