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Too vague a question. If you mean, does sealing the cup change the mass, then no it does not change the mass of the water, though the sealing material would add its own mass to the total.
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After the water is boiled its mass stays the same yes or no?
After water has been boiled, its mass will stay the same.
All samples of pure water have the same mass?
Yes, all samples of pure water have the same mass because the mass of water is determined by its chemical composition, which consists of two hydrogen atoms and one oxygen atom. This means that regardless of the volume or container, the mass of pure water remains constant.
Does solid water have the same mass?
Need more data to answer. Are you talking about the mass of an object, neither air nor water, being the same when in the air or in the water? Yes. Are you talking about the total mass of all the air on earth compared to the total mass of all the water on earth? Definitely not.
Why does a pool of water have the same density as a cup of water?
The density of water remains constant regardless of the volume or shape of the container it is in. This is because the mass of water and its volume stay the same, resulting in the same density for both a pool and a cup of water.
When water evaporates does its mass decrease?
Yes, when water evaporates, its mass does not decrease. The water molecules simply change from a liquid state to a gaseous state, but the total mass of the water remains the same.
How would mass change if you place a burning candle in a sealed container?
The mass would remain the same. In a sealed container, the products of burning (such as soot and water vapor) are not able to escape, so the mass inside the container would stay constant due to the law of conservation of mass.
I have 150 grams of water in a beaker What is it's mass?
The mass of the water in the beaker is 150 grams.
How is boiling water in the law of conservation of mass?
Boiling water follows the law of conservation of mass, which states that mass cannot be created or destroyed, only transformed. When water is boiled, it is converted into water vapor, which still contains the same amount of mass as the liquid water. The total mass of the water and water vapor remains constant throughout the process.
When an object is submerged will it weigh less or have less mass?
Objects under water seem to weigh less but they have the same mass as they would out of water.
How many pounds of water does it take to produce five pounds of steam?
In a sealed chamber with no loss of mass, five pounds of water plus sufficient heat will produce five pounds of steam. The mass of the water remains the same, regardless of its state. Freeze it, and you'd have five pounds of ice instead.
Does the mass of a ice cube stay the same after being in a sealed box and left in the sun with only some droplets left?
Whatever you do with an ice cube, and whether or not it all stays where you put it, the total mass is the same at any time you decide to measure it. If you put it in a box, and put the box out to broil in the sun, then there may be only a few droplets of water on the bottom of the box after a while, but if the box is truly sealed, then the rest of the ice cube is still inside it, most likely in the form of water vapor (steam) at elevated pressure. Add that all up along with the droplets, and you have the same mass that you started with. If you don't, then your box is not really sealed, and some of it got out.
After the water is boiled its mass stays the same yes or no?
After water has been boiled, its mass will stay the same.
What is the mass of 300 L?
There can be no sensible answer. Litres are a measure of volume, not of mass. Consider a litre of air: what would its mass be? Next consider a litre of water. It will not have the same mass as the air.
What is the mass of one liter of water on the moom?
The mass of one liter of water on the moon would be the same as on Earth, which is approximately 1 kilogram (kg). The gravitational force on the moon is about 1/6th of that on Earth, so the weight of the water would be lower, but the mass would remain the same.
When water evaporates its mass decreases?
no the mass remains the same
Are there different water masses?
pure water has the same density, and the same mass
What would be the total mass of the products of a reaction in which 10 grams of water decomposes into the elements of hydrogen and oxygen?
The total mass of the products would be 10 grams, as mass is conserved in a chemical reaction. When water decomposes into its elements, hydrogen and oxygen, the total mass of the products will be the same as the mass of the reactant.
