Ican balance that freaking equation

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.

What two categories of toxins were present in the air at dish,texas as a result of the gas pipelines that pass through the area

Is of of 3- ? a. 1--3- b. 1--2- c. 1--3- d. of