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The quickest way is to heat it up. You'd want a thermometer to help validate that gases are leaving the water and it isn't boiling (just check that the temperature is below 100oC), but if you see bubbles at those lower temperatures, it's air.
Alternatively, just leave a glass of water out for about an hour. Those bubbles you see on the inside of the glass were dissolved air.
What else can I help you with?
Why does humidity increase chances of rain?
It means that there is more water vapour that has been absorbed into the air. If this air then hits cooler air, it will rise and form rain clouds as the water condenses out. The cooler air cannot hold as much water vapour as the warmer humid air.
Does air float on water?
Water has a higher density than air. Anything that is less dense will float. The tube's covering is not enough to make it sink when filled with air. That is also the reason that oil and water don't mix.
Does the dragonfish breathe water or air?
The dragon fish breaths in air from the water so keep the tank well filtered, or have air bubbles.
When sound waves travel from air to water what will happen to the speed at which they are traveling?
Sound speeds up when it goes into water from air. Sound travels much faster in water than in air.
How can humidity cause rain?
Humidity refers to the amount of evaporated water present in the air. When there is a large amount of evaporated water in the air, particularly if the air gets cooler, the water can condense into droplets which then fall out of the air in the form of rain.
How do you dissloved polar solvents?
polar solvents dissolved in water most of times ,and methnol,acetonitrile
What substances in creases the number of H3O when dissloved in water?
An acid (containing dissociable H+ ions
What are the Dissolved gasses that are in oceans?
The three major gasses dissloved in ocean water are nitrogen, oxygen and carbon dioxide.
When iodine dissloved in alcohol the alcohol is the?
Solvent
What is difference between leak down test with water or air?
Water, with surface tension and higher viscosity than air, will not show the smallest leaks air will show. For very sensitive testing, helium is also used. Water, with surface tension and higher viscosity than air, will not show the smallest leaks air will show. For very sensitive testing, helium is also used.
How can the legislative council of a state be dissolved?
it can be dissloved by the legislative assembly of the concerned state.
what tools show how air temperature affects the rate of evaporation of water?
thermometer
How will you show that water vapour are present in air explain with help of diagram?
One way to show that water vapor is present in the air is by using a hygrometer, a device that measures humidity. The hygrometer will display the percentage of water vapor present in the air. You can also demonstrate this concept using a diagram by showing arrows representing water molecules in the air and indicating the percentage of water vapor present in relation to the total air molecules present.
An experiment to show that ice melt faster in water that air?
get 2 icecubes that are similar sizes and put one in room temperature water and the other exposed to air.
How can you say that water vapour are present in air give an activity to explain it?
One way to show that water vapor is present in the air is to cool the air. If the air temperature drops below its dew point, water vapor in the air will condense into tiny droplets, forming visible fog or mist. This process demonstrates that water vapor is a component of the air.
How do you show that water vapor is surrounding the air using foil and ice?
If you wanted to demonstrate the presence of water vapor in the air, wrapping an ice cube in foil would allow water to condense out of the air and onto the foil, due to the lower temperature of the foil compared to the air.
How will you show that air has mass?
There are many ways to prove air has mass. One of them is : Take some water in a closed vessel and heat it till all the water boils. As we know when there is no transfer of particles mass remains constant. Therefore, the mass of the water vapour (air) is equal to the mass of the water taken. Hence, it is proved that air has mass.
