They need other brands of cleaners to try it out with, and they need the same type of stain and same amount of stain on each same brand and same type of clothing.
Answer:
pressure doubles
Explanation:
they are inversly preportional
Dipole-dipole interactions, and London dispersion interactions
Answer:
what is this for? A-level..?!
Explanation:
#4 and #5:
To find pH given concentration of H+ or H30+
pH = - log (H+ or H30+ M)
To find pH given concentration of OH-
Since you already found the pH for this (in #4), you subtract #4's answer from 14.
14 - (pH) = pOH