Table of Contents
- 1 Does the flask contain more gas molecules before or after cooling?
- 2 What happens if the air in the flask is heated explain why?
- 3 When the air gas inside flask cooled what happened to volume of the gas?
- 4 What happens to the amount of gas in the flask as you heat or cool it?
- 5 Why does air move up & down?
- 6 What happens when gas enters the flask?
- 7 How is the volume of a gas related to its kinetic energy?
- 8 How is the water level in a flask adjusted?
Does the flask contain more gas molecules before or after cooling?
The flask contains moregas molecules now than it had before ifit was cooled. ” Heating a gas causes it to expand while cooling the gas causes it to contract” .
What happens if the air in the flask is heated explain why?
When the bottle is heated, the air molecules inside start moving faster. These molecules now collide into the balloon with more energy resulting in increased pressure.
Why does the volume of a gas increase as it is heated at constant pressure?
Heating a gas increases the kinetic energy of the particles, causing the gas to expand. In order to keep the pressure constant, the volume of the container must be increased when a gas is heated.
Why would air rush in to the newly opened flask?
Why does that happen? It has to do with the carbon dioxide gas that is added to the liquid to make it fizzy. Opening the bottle releases the built-up pressure inside, causing the gas-liquid mixture to rush out the bottle.
When the air gas inside flask cooled what happened to volume of the gas?
If the container is cooled, the gas inside likewise gets colder and its pressure is observed to decrease. Since the container is rigid and tightly sealed, both the volume and number of moles of gas remain constant. If we heat the sphere, the gas inside gets hotter (Figure 2) and the pressure increases. Figure 2.
What happens to the amount of gas in the flask as you heat or cool it?
When the flask cools the gas molecules on the inside begin to move much more slowly and create less collisions and thus less pressure.
What happens to the volume of the balloon when it expands?
It is filled with very cold high density air at that point. As the balloon warms the balloon expands and the density of the air inside the balloon decreases. The volume and temperature kept changing in a way that kept pressure constant.
Does volume Increase heat?
Think of it this way, if you increase the volume of a gas and must keep the pressure constant the only way to achieve this is for the temperature of the gas to increase as well. If you heat a gas you give the molecules more energy so they move faster.
Why does air move up & down?
Warm air rises, creating a low pressure zone; cool air sinks, creating a high pressure zone. Air that moves horizontally between high and low pressure zones makes wind. The greater the pressure difference between the pressure zones the faster the wind moves. Convection in the atmosphere creates the planet’s weather.
What happens when gas enters the flask?
This will allow the gas on the inside of the flask to attain the temperature of the surrounding water. While the gas cools, it will decrease in volume, sucking water into the flask.
Why does an open flask of air heat up?
We review their content and use your feedback to keep the quality high. Answer :- **** The flask contains fewer gas molecules now than it had before it was heated. The reason is that heating the flask causes the gas molecules inside it to heat up, and as they heat up, each gas molecule takes up more volume.
Why do you record the volume of the same flask twice?
Since this volume is the total volume of the flask, record it as the volume of air at the higher temperature. Because the same flask is used in both trials. It is necessary to make this measurement only once.
(b) The actual volume of the gas molecules themselves is very small compared to the volume occupied by the gas at ordinary temperatures and pressures. (c) The average kinetic energies of different gases are different at the same temperature.
How is the water level in a flask adjusted?
The water level inside the flask is adjusted to the level Of the water in the pan by raising or lowering the flask. NAME SECTION DATE REPORT PRESENTIMENT 19 Charleston INSTRUCTOR Data Table Tail 1 Temperature of boiling water, TTS Temperature of cold water, Tip Volume of water collected in flask (decrease volume due to cooling) -co CO.