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Glass isn't really a solid - it's a 'super-cooled liquid' - sudden temperature change causes 'thermal shock' where the outer surface expands or contracts quicker than the rest of the glass - causing it to break.
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∙ 13y ago
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Why is there no temperature change when lead freezes?
Due to latent heat of fussion
When does expansion occur?
Expansion occurs when there is a change in volume due to increased temperature. Contraction occurs when there is a decrease in volume due to decreased temperature.
What makes a liquid in glass thermometer sensitive to a small changes in temperature?
A liquid in glass thermometer is sensitive to small changes in temperature due to the thermal expansion of the liquid contained inside the glass tube. As the temperature increases, the liquid expands, causing it to rise up the calibrated scale of the thermometer. Conversely, as the temperature decreases, the liquid contracts, causing it to subside on the scale. This expansion and contraction of the liquid is highly responsive to even slight temperature variations, making it sensitive to small changes in temperature.
What happens to the speed of the light as it travels from the air through the glass and then through the water?
The light refracts due to the change in speed. The change in speed occurs because the light is travelling through a denser medium. So it will travel fastest through the air and slowest through the glass
How fast does glass break?
Glass does not typically "break" at any temperature. If you want to be technical, the melting point of glass is 2600-2900 °F. Now, another important and relevant fact is that when things are hot, they grow very slightly larger due to their molecular composition. When something is very hot and is suddenly made much cooler, it will quickly shrink back to normal. When fragile things like glass are cooled down too fast, the shape change is enough to crack or break them.
What phase change happens when glass mists up from breath?
Water in the vapor phase changes to liquid phase due to the cooler glass temperature.
Does temperature change due to climate change?
yes it does
Why tempered glass is safer?
Tempered glass is safer than regular glass because it is stronger and more durable. When tempered glass breaks, it shatters into small, granular pieces instead of sharp shards, reducing the risk of injury. Additionally, tempered glass is more resistant to thermal stress, making it less likely to break due to sudden temperature changes.
What are the examples of undesirable changes and desirable changes?
A desirable change is one that you do want, or desire.An undesirable change is one that you have not expected and is unwanted.
Does a glass tumbler containing hot water crack if you cool it by pouring cold water on it?
Yes it does due to the rapid temperature drop on the glass.
It is not ideal to put boiling water on a drinking glass since it may break. Is it true Why or why not?
When you pour hot water in a glass, the inner side of glass expands due to heat energy while outer side is relatively cooler. Due to this effect the pressure is developed and cracking of glass occur
Is there any change in resistance of carbon composition resistor due to change in temperature?
yes, calculate it from temperature coefficient of resistance.
Does glass shrink when baked in a kiln?
It's due to the moisture in the clay evaporating.
How do Cooking times change due to temperature?
because if you are a certain temperature you dont want to cook.
What is the increase in the size of a substance due to a change in temperature called?
awsomeness
Why is there no temperature change when lead freezes?
Due to latent heat of fussion
Can glass pot lid knob's metallic part change color?
Yes, the metallic part on a glass pot lid can change colour due to the chemical reaction of the liquid.
