My friends and I made a paper mache and we mixed it accordingly: 2 part glue and 1 part waterWe then cut up strips of newspaper and doused the strips in the macheWhen we took it out, we got rid of the excess glue and slathered the balloonWe left it on the floor of some newspapers to dryAbout a day later, when we checked on the balloon, the top portion was dry but the bottom portion and the newspapers were saturated with the macheWHAT HAPPENED???
I am tiredI am going to give you hint1) Find the no: of moles of Aluminum by diving 15 grams by it's molecular weight2)This is the same no: of moles for ArgonSuppose the answer is X We know that 1 mole of gas occupies 22.4 dm^3 at STP So X no of moles will occupy X multiply by 22.4
What happened to make your papier mached balloon wetter at the bottom after starting to dry, was mostly gravity and air circulation (physics)1You couldn't get rid of all the glue so it flowed downward through the porous papier mache (gravity)Plus there was enough glue used that it also saturated into the newspapers your item was sitting on (which were porous or the glue would have pooled instead)2The top area of the papier mached balloon dried more quickly than the bottom both because there was less glue and moisture left after 1 above happened, and there was better unhampered air circulation there than on the bottom area There probably was a bit more warmth at the bottom area (or lack of cold) than the top area as well To DRY your papier mached items (or any air-dry clays and materials) as quickly as possible, put them in these situations: .moving air (a fan is good), or at least where air isn't trapped or still.having good air circulation all around the item is good too so you could elevate it a bit on a rack or just logs of aluminum foil or paper .warmth (warm room, sunny windowsill, etc.sometimes a low-heat oven is good but not when there's a balloon inside which would swell) .dry area (not humid) Another thing to remember about papier macheing over a BALLOON is that as the balloon shrinks over a few days, it may stick to one or more parts of the papier mache covering because of the glue (or sticky flour, etc) usedThat will pull that area down with the shrinking balloon and distort the round shape So you'll want to keep an eye on your balloons(s) and pop any where you see that beginning to happenEnough of the rest of the paper mache will be sufficiently dry to hold its shape if you pop the balloon at that point, and you should be able to reshape those areas fairly easily.
I am tiredI am going to give you hint1) Find the no: of moles of Aluminum by diving 15 grams by it's molecular weight2)This is the same no: of moles for ArgonSuppose the answer is X We know that 1 mole of gas occupies 22.4 dm^3 at STP So X no of moles will occupy X multiply by 22.4
What happened to make your papier mached balloon wetter at the bottom after starting to dry, was mostly gravity and air circulation (physics)1You couldn't get rid of all the glue so it flowed downward through the porous papier mache (gravity)Plus there was enough glue used that it also saturated into the newspapers your item was sitting on (which were porous or the glue would have pooled instead)2The top area of the papier mached balloon dried more quickly than the bottom both because there was less glue and moisture left after 1 above happened, and there was better unhampered air circulation there than on the bottom area There probably was a bit more warmth at the bottom area (or lack of cold) than the top area as well To DRY your papier mached items (or any air-dry clays and materials) as quickly as possible, put them in these situations: .moving air (a fan is good), or at least where air isn't trapped or still.having good air circulation all around the item is good too so you could elevate it a bit on a rack or just logs of aluminum foil or paper .warmth (warm room, sunny windowsill, etc.sometimes a low-heat oven is good but not when there's a balloon inside which would swell) .dry area (not humid) Another thing to remember about papier macheing over a BALLOON is that as the balloon shrinks over a few days, it may stick to one or more parts of the papier mache covering because of the glue (or sticky flour, etc) usedThat will pull that area down with the shrinking balloon and distort the round shape So you'll want to keep an eye on your balloons(s) and pop any where you see that beginning to happenEnough of the rest of the paper mache will be sufficiently dry to hold its shape if you pop the balloon at that point, and you should be able to reshape those areas fairly easily.
