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Why does adding salt help to form frost on a jar?
Adding salt to a jar lowers the freezing point of water, causing a reaction that absorbs heat from the surroundings. This process creates a frosty appearance on the outside of the jar as moisture in the air condenses and freezes on the colder surface.
Can you pour boiling hot water in a mason jar and close the lid?
Pouring boiling hot water into a mason jar can be risky. While mason jars are designed to withstand high temperatures, sudden temperature changes can cause them to crack or shatter. If you do pour boiling water in, it’s best to leave the lid off until the jar cools to prevent pressure buildup, which could lead to the lid popping off or the jar breaking. Always exercise caution when handling hot materials.
Why does a hot liquid in a jar dent the metal lid?
When hot liquid is added to a jar, it heats the air trapped inside the jar. As the air expands, it creates pressure which pushes against the metal lid, causing it to buckle or dent. This is due to the difference in pressure between the inside and outside of the jar.
If a potted plant is covered with a glass jar water vapour appear on the wall of glass jar Explain why?
Water vapour appears on the wall of the glass jar because the plant releases moisture through transpiration. When the jar is placed over the plant, the moisture released by the plant accumulates inside the jar and condenses on the cooler surface of the glass due to the temperature difference, forming water droplets or vapour.
How do you make fake crystal?
first you boil some water doesn't matter how much,then pour in sugar until no more will dissolve.then get a jar pour the mixture into the jar 3/4 full . get a pencil and a string the length of the jar,then
Where does water in the jar come from when an empty jar is left outside overnight?
Rain or Condensation
How does hot water help open a ajar?
Hot water causes the jar lid to expand.
What is the name of the process which causes the liquid to form outside a jar?
condensation
Why do you use hot water to open the metal lid of a jar?
Using hot water to open a metal jar lid helps to expand the metal, making it easier to twist open the jar. The heat from the hot water causes the metal to expand while the glass of the jar remains relatively unaffected, creating a temperature difference that helps to loosen the lid.
What is the name of the process which causes liquid to form on the outside of the jar?
The process is called condensation. It is the reverse of vaporization.
What happens if you put a jar of hot water in a pan of cold water?
it becomes warm
What happens when you fill hot water in a balloon and put it in a jar filled with water?
it sinks
Why does adding salt help to form frost on a jar?
Adding salt to a jar lowers the freezing point of water, causing a reaction that absorbs heat from the surroundings. This process creates a frosty appearance on the outside of the jar as moisture in the air condenses and freezes on the colder surface.
How do you make hot cinnamon toothpicks using boiling water instead of soaking in a jar?
You can make hot cinnamon toothpicks using boiling water instead of soaking in a jar by using regulated heat.
How do you keep hot water warm in a glass jar?
Cover it with a thick lid.
How does a water balloon get suction into a jar?
When a water balloon placed over the mouth of a jar is squeezed, the air inside the jar is compressed. When this compression occurs, the pressure inside the jar drops slightly, creating a suction force. This suction force, produced as a result of the pressure difference between the outside and inside of the jar, causes the water from the balloon to be drawn into the jar.
Why it is difficult to move the lid of a jar that is half filled with boiling water after the jar has cooled down?
when the jar has boiling water, the air above is hot and less dense therefore there is a lower amount of air molecules then out side the jar. When you put the lid on the hot air inside cools, the previously hot air condenses and creates a vacuum of lower pressure, making it harder to unscrew the lid
