Someone please answer I’m literally crying this is due today at midnight please I’m begging you to answer

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 is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

What do many bases have in common? apex chemistry sem 2