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Actually CO2 has a density of about 1.9 g/L at STP (Standard Temperature and Pressure) while homogeneous air, including CO2 has a density of about 1.2 g/L, so actually pure CO2 would sink when trapped in a balloon.
The reason the ballon would inflate is because when you seal the balloon over the bottle, the air you trap inside is already at a pressure equal to the air outside. What happens is the CO2 released inside this closed system adding to the gas already inside. By increasing the amount of gas, the balloon is simply stretching to accomodate a change in volume, rather than a change in pressure as a cap would do. Eventually, the balloon should pop or fly off as the pressure would overcome the seal between the balloon and the bottle. Since a gas is being produce, you have to be careful not to use something that can't easily break free, otherwise, if enough gas is produced, the container or lid could break violently (explode)!
So in otherwords, simple pressure is causing the balloon to stretch in the only way it can: up! See if you can tie the balloon off without losing too much CO2, and you should find that it drops to the ground. As an additional experiment, put the balloon in the freezer, and watch what happens: the balloon will shrivel after a few minutes, even though little or no CO2 escapes. Let the balloon warm up to room temperature and it will "magically" inflate right before your eyes! the reason is because the density is decreasing, even though the "amount" of CO2 remains constant. To make up for this, the gas must expand and take up more space.
When vinegar and baking soda react, they produce a large amount of carbon-dioxide. This gas is lighter than most other gases in our atmosphere and so they rise, filing the balloon.
What else can I help you with?
Does vinegar and baking soda blow up a balloon?
When vinegar and baking soda are combined, the reaction releases carbon dioxide gas, which can inflate a balloon if captured in it. The gas is produced quickly, creating pressure that fills the balloon, causing it to appear blown up.
What is the procedure for making baking soda and vinegar blow up a balloon?
carbon dioxide
What is the problem in how to blow balloon in baking soda and vinegar?
The issue may be related to the amount of baking soda and vinegar used. If there is not enough vinegar to react with the baking soda, there may not be enough gas produced to inflate the balloon. It is important to ensure the right proportions are used for the experiment to be successful.
What chemical reactions explains how vinegar and baking soda make a balloon blow up?
vinagar and baking soda can blow up a balloon because when you mix the two chemicals it creates a chemichal reaction nnd starts to fizz.
How much vinegar and baking soda will need to blow up a big balloon?
60ml of lemon juice, vinegar, pop and alcohol A balloon An empty soda bottle 30ml of water 1 teaspoon of baking soda (5 mL)
What is a dependent variable in a experiment that uses vinegar ang baking soda to blow up a balloon?
In an experiment using vinegar and baking soda to blow up a balloon, the dependent variable would be the size or volume of the balloon after the reaction occurs. The dependent variable is the outcome that is being measured or observed and is expected to change in response to the manipulation of the independent variable, which in this case would likely be the amount of vinegar and baking soda used. The dependent variable provides the data that will be analyzed to determine the effect of the independent variable on the experiment.
What would blow balloon faster mouth blow or vinegar and baking soda in a bottle?
Mouth Blow could be faster because when u blow it release a big chunk of air into the ballooon( will massive for that size).
Is baking soda an alkaline or acid?
Yes. And if you add it too vinigar it makes smoke. You take a balloon and fill 1/5 of it with baking powder. You then only set the top of the balloon around a beaker filled 1/4 of the way with vinegar. Then hold the balloon up right and let the baking powder mix with the vinegar. It will blow up the balloon on it's own. It's actually pretty cool.
How much amount of baking soda and vinegar inflate a balloon?
Yes. Mixing vinegar and baking soda releases carbon dioxide (CO2) gas. If you can add the two together and quickly attach a balloon to the container (and close any other openings), the balloon will inflate with CO2
What are some projects using baking soda vinegar?
There are a variety of them, but these are most common. - Rocket Bottle - Volcano And the most simple to me would be: This is a very simple project, what you will need is a small water bottle, a balloon (with NO helium inside), vinegar, baking soda. Put vinegar into the water bottle. then take the empty balloon and place an even amount of baking soda into it. then carefully place the balloon (with the baking soda inside) atop of the water bottle, thus letting the baking soda and vinegar react when mixed, and creating carbon dioxide, which makes the balloon deflate. (in other words, making the balloon blow up in action.) its simple a pretty cool. hope this helps. Btw, I'm in fifth grade.
Why will baking soda and vinegar fill up a balloon?
Yes! if you have too much of one then it cannot completely react but will fill the balloon up 100% comparatively. if you have the right amount then it will not waste a lot and will fill up the balloon 90% comparatively. if you don't add enough of one then you will fill it up a lot less like 50% comparatively. (but one of the ingredients has to be constant)
What is the results when mixed baking soda and vinegar to blow up a balloon?
Baking soda (known chemically as "sodium bicarbonate" or NaHCO3) can be mixed with vinegar (a mixture of water and acetic acid, a.k.a. CH3COOH) to inflate a balloon with carbon dioxide (CO2) gas. The full reaction is: NaHCO3 + CH3COOH ---> CH3COONa + H2O + CO2(g) For more info: http://en.wikipedia.org/wiki/Sodium_bicarbonate
