Why would the same amount of gas be produced even if we increase the amount of baking soda?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?