A hydrogen balloon will deflate the fastest because molecules of hydrogen are the smallest and thus will more easily slip through the latex of the balloon.
The carbon dioxide-filled balloon will deflate the slowest because these molecules are the biggest, and thus will have more trouble escaping the tiny pores in the balloon.
Attractions between water molecules, such as hydrogen bonding, are stronger than the dispersion forces between carbon dioxide molecules. This results in water requiring more energy to break these intermolecular attractions and reach its boiling point than carbon dioxide.
The liquid is so cold that the air particles in the balloon almost stop moving, which causes the balloon to shrink. When the balloon is taken out of thr liquid the particles regain speed and expand inside of the balloon.
Fatty acids, amino acids, and nucleic acids can increase the hydrogen ion concentration of a solution because they contain ionizable groups that can release hydrogen ions into the solution, increasing its acidity. These molecules can donate protons to the solution, leading to an increase in the concentration of hydrogen ions and a decrease in pH.
Air is matter because it has mass and takes up space. It is composed of various gases like nitrogen, oxygen, carbon dioxide, and others. These gas molecules have mass and occupy a volume, meeting the criteria for matter.
Hydrogen bonding is the intermolecular force responsible for water being a liquid at room temperature. The hydrogen bonds between water molecules are relatively strong, allowing them to remain in a liquid state rather than vaporizing at room temperature.
Bohr's model of the atom doesn't explain hydrogen's flammability.
A molecule of hydrogen has a formula of H2. It consists of only one kind of element. Compounds consist of two or more kinds of elements. Carbon dioxide, CO2, is a compound because it contains both the elements carbon and oxygen.
You assume that things that happened repeatedly in a certain way in the past will happen the same way under the same conditions in the future. If you throw a ball up in the air 500 times and it comes down 500 times, you then predict that if you throw a piano into the air it will come down as well. If you throw a helium balloon up in the air for the first time, you might predict it will also come down. When it does not, this means the theory must be rejected or changed to explain what is different this time. If you have a hydrogen balloon and throw it into the air, you might predict that since your helium balloon did not come down and hydrogen is more similar to helium than it is to a piano, then the hydrogen balloon will keep going as well.
Heating the air inside the balloon makes it less dense than the surrounding air, causing the balloon to float upwards. As the air inside the balloon cools, it becomes denser and the balloon descends. The pilot can control the altitude by adjusting the temperature of the air inside the balloon.
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Water is a compound of hydrogen and oxygen.
Rubbing the balloon against your dry hair transfers electrons from your hair to the balloon, giving the balloon a negative charge. When you then place the negatively charged balloon against the wall, it creates an attraction with the positive charges in the wall, causing the balloon to stick due to static electricity.
The principle of air pressure explains why a balloon loses air and flies around a room. When the balloon is filled with air and released, the higher pressure inside the balloon compared to the lower pressure in the room causes the balloon to move in the direction of lower pressure until equilibrium is reached.
The volume of the balloon will decrease when taken outside on a cold winter day. This is because the cold temperature causes the air inside the balloon to contract, making it occupy less space.
The ideal gas law helps to explain why a hot-air balloon floats in the air. As the air inside the balloon is heated, it expands and becomes less dense than the surrounding air. This creates a buoyant force that allows the balloon to float.
The pressure inside the balloon is greater than the ambient atmosphere pressure because the air molecules inside the balloon are more concentrated due to being compressed when the balloon is inflated. The pressure difference causes the balloon to expand until the internal pressure matches the external pressure, at which point the balloon stops inflating.
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