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How do molecules move during a phase change in a liquid to gas?
During a phase change from liquid to gas, molecules gain energy to overcome the intermolecular forces holding them together in the liquid state. As they absorb energy, molecules start to move faster and break free from their fixed positions, eventually leading to a transition to the less dense gas phase.
Which gas can produce droplets on a cold window?
Water vapor in the air can condense on a cold window, forming droplets. This is because the cold temperature causes the water vapor to cool and change from a gas to a liquid state.
Are the cold gases more dense than the hot gases and which are they?
Carbon dioxide (M=44 g/mol) is (about 50%) more dense than air (M=28.8 g/mol) of the same temperature (density is proportional to the gas' molar mass). Any gas of lower temperature is more dense than the same gas of higher temperature (density is reversed proportional to absolute temperature in Kelvin)
What happens to gases when they lose heat Do they condense into liquids?
When gases lose heat, they usually contract and their molecules move slower, which may lead to condensation if the temperature drops below the gas's dew point temperature. However, this does not always result in the gas fully condensing into a liquid; it depends on factors such as pressure and the specific gas involved.
What gas besides air is in the flask when it is upside.down in the sink of cold water?
The gas trapped in the flask when it is upside-down in the sink of cold water is likely water vapor that has condensed from the surrounding air. As the air inside the flask cools, the water vapor condenses into liquid water, creating a partial vacuum that prevents water from entering the container.
Do gas molecules move slower when they are cooled?
Yes, the hotter atoms are, the faster they more.
Does warm air or cold air make gas particles move apart?
Gas particles, like the particles in all states of matter (solid, liquid, gas) are always moving apart and colloding with other particles. Gas particles have more space in between and tend to move faster than the particles in a solid or liquid state. Temperature only affects how fast a particle moves, therefore warm air makes gas particles move faster and cold air makes gas particles move slower.
Why does a balloon deflate in cold air and expand in hot air?
Because the pressure of a gas is dependent on the temperature. The same amount of gas - as what you have inside your balloon - will have a higher pressure when it's warm, and a lower pressure when it's cold. And higher pressure = more inflation. Lower pressure = less inflation.
Do gas particles move slower than solid particles?
No. Gas particles move much faster than solid particles.
How do molecules move during a phase change in a liquid to gas?
During a phase change from liquid to gas, molecules gain energy to overcome the intermolecular forces holding them together in the liquid state. As they absorb energy, molecules start to move faster and break free from their fixed positions, eventually leading to a transition to the less dense gas phase.
How do you move air?
You can't move air because air is a gas.
When particles of a gas lose thermal energy do they move slower or faster?
When particles of a gas lose thermal energy, they move slower. This is because temperature and kinetic energy are directly proportional - as thermal energy decreases, the average kinetic energy of the particles decreases, leading to slower movement.
What happens when you put a balloon in cold water?
When a balloon is placed in cold water, the air inside the balloon contracts, causing it to shrink and decrease in size. This is because the molecules of gas inside the balloon lose energy and move closer together in the colder temperature, leading to a decrease in volume.
Does hci gas move faster than he?
No, HCl gas (with a lowercase L, not an i) moves much slower than He gas at the same temperature.
What happens to particles in a substance when its heated or cooled?
In a solid, the particles start to vibrate a lot.In a liquid, the particles begin to move around faster and faster.In a gas, the particles move extremely fast through the air.
How does cold air effect the density of gas?
'Cold' air will have less volume so the density is greater.
What does cold air have more than hot air?
Cold air is more dense than hot air. This is because gas expands when it is heated.
