At each end of wthe container there is a piston. Piston A has a smaller area than piston B.
(a) 0
Rebekah pushes on the pedal. This produces a force of 200 N on
piston A.
Calculate the pressure that piston A exerts on the liquid.
Give the unit.

Compare and contrast physical changes with chemical changes.

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )