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What is the significance of troposphere?
It contains 70-80% of the total mass of the earth's atmosphere and 99% of water vapour.
What happens to the mass of an object brought from earth to the moon?
floating
How would your weight and mass change if you were floating freely in space?
the weight reduces due to change in gravity but mass remains constant
If an object has a mass of 20kg on earth what is the mass of the object on moon?
The mass on the moon will remain the same, 20 kg If the object's mass is 20 kg, then it's 20 kg. On Earth, on the moon, on Mars, or floating weightless in a space ship coasting from one of them to another. Weight depends on where you are, but mass doesn't.
Is it possible that a body may have non zero mass but zero weight?
If no large body was influencing your environment, you would be floating (space is as close as we've gotten to such a phenomenon).
what is the molecular mass of water vapour?
The molecular mass of water vapour is 18.01528
Relative humdity is a ratio of what?
The mass of water vapour in a given quantity of air to the maximum mass of water vapour that it could hold - at the specific temperature and pressure.
How does the mass of a floating wood compare to the mass of water displaced?
equal
What refers to the amount of water vapour in the air?
Relative Humidity is the measure of water vapour in air. It is the ratio of the actual water vapour in air divided by the maximum amount the water the air can hold at the existing temperature and pressure. It tells how fast or slow the water on the body or in clothes will evaporate or in otherwords is the air dry or humid. Absolute measure of water vapour in air is called specific humidity. It can be measured as ratio of mass of water and mass of dry air.
What is specific humidity and relative humidity?
Relative humidity compares the amount of water vapour present in the air with the amount of water vapour that would be present in the same air at saturation. Specific humidity is the mass of water vapour present per kg of total air.
What do you call a floating mass of of fresh water in the atmosphere?
a cloud
How do you call a visible mass of water floating in the atmosphere?
A cloud.
What does khmara mean?
"Khmara" is a Russian word that translates to "cloud" in English. It is commonly used to describe a mass of condensed water vapor floating in the sky.
Does water vapour take up more space than the same mass of liquid water?
All gasses take more place than the same mass of its fluid or steady fase. Here: vapour is not a gas, it is consisted of very small fluid parts!
Does the weight of a gallon of water increase when an object is floating in it?
Yes. The floating object is an addition to the mass system, even though it cannot displace its entire volume in the water.
Does an object that floats displace water?
Yes. A floating object displaces its own mass in water.
What is the significance of troposphere?
It contains 70-80% of the total mass of the earth's atmosphere and 99% of water vapour.
