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Why must a funnel be heated before hot acetanilide solution is heated and filtered?
Most likely so the glass will not crack as it expands as a result of being heated by a hot solution being poured into it.
What might happen to a heated glass beaker made from material that does not contain boron?
Borosilicate glass has a low coefficient of thermal expansion, which makes it better for situations in which there are wide, rapid temperature changes. For example, if a standard glass container at room temperature is filled with boiling water, the danger of cracking and shattering is quite high due to the inside surface rapidly expanding while the outside is warming up more slowly. A borosilicate glass such as Pyrex doesn't expand nearly as much as plain glass (about one third as much as regular glass). It can thus survive temperature differentials that would destroy plain glass. It is for that reason that laboratory glassware is typically made of borosilicate glass. Based on the premise of the question, a heated glass vessel subjected to rapid cooling (e.g., filled with ice water) is susceptible to shattering into a gazillion shards and slivers of glass.
What would happen to a cold empty glass if it was placed in a hot humid room?
Hmmm... I think this shld b a better ans. When in a cold room, the glass will contract. So, when taken out of cold room and placed in hot room, expansion will take place. As the glass has uneven surface, the process of expansion will cause the crack.
What happens when you mix glass and rubber?
When glass and rubber are mixed together, they do not chemically bond. Glass and rubber have different properties and do not typically adhere to each other. The resulting mixture would likely separate into distinct glass and rubber components.
Is water condensing on a glass from increasing temperature?
No, water condenses on a cold glass when warm moist air comes into contact with it causing the air to cool down and release its moisture. When the temperature of the glass increases, it would make the glass warmer and less likely for condensation to form.
What happens when lava and glass meet?
Glass is made when sand is heated to such a high temperature that it's as hot as an erupting volcano. Not that I've actually tested this but the glass would most likely turn into liquid glass.
What would happen to a cold empty glass if it was placed in hot place?
The glass would likely shatter due to the rapid change in temperature causing thermal stress. Glass is sensitive to sudden changes in temperature, and placing a cold glass in a hot environment would cause uneven expansion, leading to the glass breaking.
Why would it be easy to crack a glass bottle when filled with water and subjected to a flame?
The temperature contrasts would cause differential expansion of the bottle which, being brittle, would cause the glass to crack.
Why would a milk bottle crack open if you pored boiling hot water in it?
The milk bottle would crack because the hot water would cause the glass particles to vibrate and move apart, this will make the glass expand from the heat and the glass will then shatter.
Why would a milk bottle probably crack if boiling water were poured into it?
The sudden change in temperature can cause the milk bottle to expand rapidly and crack due to thermal stress. The glass or plastic material may not be able to withstand the heat, especially if it was not designed for hot liquids.
Does concrete expand when heated?
Yes , just the same as steel - otherwise the rebar would crack structures !
What would happen if you where to put ice cream in a glass cup and then put it in the freezer would it crack?
Highly unlikely.
Can glassware be heated before it has completely dried?
No, heating glassware that is partially wet can cause danger as it would crack and explode.
What items in your house would be from a natural resource?
Glass As glass is heated up sand and wooden stools / tables / chairs as they are made from wood
What would cause spark plugs to crack?
poor installation most likely
Why must a funnel be heated before hot acetanilide solution is heated and filtered?
Most likely so the glass will not crack as it expands as a result of being heated by a hot solution being poured into it.
How does a rock crack if its subjected to heavy frost?
It is likely that the repeated freeze-thaw cycles would cause the crack or fracture to widen and lengthen.
