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When cold water is poured into a glass the glass becomes colder?
When cold water is poured into a glass, heat energy is transferred from the glass to the water, causing the glass to become colder. The glass loses heat as it transfers it to the colder water until thermal equilibrium is reached.
Which water should be cold and cold when doing a old remedy for a pair of nested drinking glasses?
Put cold water inside the glasses. Dip the outer glass into hot water. The outer glass expands, the inner glass contracts.
Why does a glass tumbler containing ice-cool drink show droplets of water on its outer surface?
When the cold drink is poured into the glass, the air around it cools down quickly. This causes the water vapor in the air to condense on the colder surface of the glass, leading to the formation of droplets. The droplets are essentially water from the air that has condensed on the chilled surface of the glass.
What type of energy transfer is it when cold water is poured into a glass in becomes colder?
This is an example of heat transfer from the warm water to the cold glass. The glass absorbs the thermal energy from the water, causing the water to cool down.
What happens when salt water is poured into the glass containing cold tap water?
When salt water is poured into a glass containing cold tap water, the two liquids will initially mix together. Because salt water is denser than fresh water, it will sink to the bottom. Eventually, the two liquids may form distinct layers, with the denser salt water at the bottom and the less dense fresh water at the top.
Why do water droplet appear on outer surface of glass when cold water is poured in it?
The cold water reduces the temperature of the glass. The cold glass reduces the temperature of the air around the glass. The amount of moisture in air is temperature dependant hotter air can contain a higher moisture content. If the air temperature is reduced the water condenses. In this case the cold glass reduces the air temperature in contact with the glass, this results in the condenstion of moisture from the air, and water droplets are formed.
What happens when warm water makes a cold glass crack?
When warm water is poured into a cold glass, thermal stress is created due to the uneven heating of the glass. This stress can cause the glass to crack or shatter due to the expansion and contraction of the material. Rapid changes in temperature can lead to the glass failing under the strain.
Why does an ordinary glass tumbler crack if very hot water poured into it?
When hot water is poured into a cold glass tumbler, the sudden temperature change creates thermal stress in the glass. This stress can cause the glass to crack or even shatter due to uneven expansion of the glass material. It is recommended to avoid extreme temperature differences to prevent this from happening.
Why do you see water droplets on outer surface of glass containing ice-cold water?
This is because the air around the tumbler contains water vapour in it. When these water vapour came in contact with the cold, they contact with cold water, loses energy and converted into liquid state, which we see as water droplets.
Is it correct to say a cold glass of water or a glass of cold water?
It depends If the water is cold and the temp of glass don;t matter than it is glass of cold water If the glass is cold and the temp of the water don't matter than it is cold glass of water People normally use glass of cold water
An old remedy for a pair of nested drinking glasses that stick together is to run water at different temperatures into the inner glass and over the surface of the outer glass which water will be hot?
The difference in temperature causes the inner glass to expand while the outer glass remains the same size, breaking the vacuum seal between them and allowing them to separate easily. It's important to be cautious with the hot water to avoid accidentally shattering the glass if it is too cold or thin.
Why do water droplets from outside of a glass of water?
Water droplets form on the outside of a glass of cold water when warm, humid air comes into contact with the cold surface of the glass, causing the air to cool and reach its dew point. This leads to condensation of water vapor in the air, forming droplets on the outside of the glass.
