In the open ended manometer (open to the atmosphere) pictured below, what is the pressure of the gas in the bulb if the pressure of the atmosphere is 745 mm Hg and h = 45 mm Hg? Input your answer in mm Hg.

Ok where is the image ?

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

Because you ate playdough