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What are the chemical properties of glue?
There are plenty of different glues, and pretty much they only have two things in common:they have a certain mechanical strengththey stick to stuffApart from that, they can be just about anything. Some harden by evaporation, some through a chemical change, some (like hot glue) through a physical change.
Is cutting up a pear a reversible change or a chemical reaction and why?
You can't glue together a divided pear,if you want it to be valuable but it is not a chemical change..why?-The reason is that a chemical change is followed by entirely new product and what you have done is to seperate the pear molecules,it is still a pear!,and it is a physical change,and you are free to ask more question,because I understand that a pear has life..
Is baking cookies a chemical change?
Baking a pie is a chemical change because the cells of the ingredients are broken down when they get hot. You can see this when the crust becomes firm or the fruit in a pie becomes soft.
Is it correct to say the chemical changes are not reversible but physical changes are?
yes it is correct because chemical energy means you can't change something back like paper if you burned that paper you can't change it back but if you had that paper and you ripped it you can glue it back you can fix it that is physical energy when you can put something back together so yes you can say that.
What is chemical glue?
epoxy
Is glue a chemical or physical change?
Glue is not any type of change. However, two items being glued together is a physical change.
Is A glue gun melting glue is an example of a physical change?
yes it's a physical change
Is making glue a physical or chemical change?
it is both the heating of the glue mixture is chemical while the lumpiness and the color and it becoming more of a liquid is physical
Is making glue an example of a physical or chemical property?
Making glue is a chemical process.
What is the chemical processesin adhesives?
Different for different adhesives. Hotglue for instance is merely a physical change while a 2-component epoxy glue undergoes a chemical change.
Is making goo from scratch a chemical change?
Chemical - reaction occurs when two components mix (ex. Acrylic polymers + polyurethane resins) or when external sources cause the reaction (i.e. heat or moisture). The physical nature of the components doesn't change, but chemically, a bond is formed.
A glue gun melting glue is an example of what type of change?
Physical change because it is a solid to liquid. No change in the substance.
What are the chemical properties of glue?
There are plenty of different glues, and pretty much they only have two things in common:they have a certain mechanical strengththey stick to stuffApart from that, they can be just about anything. Some harden by evaporation, some through a chemical change, some (like hot glue) through a physical change.
Why is glue a chemical change?
Glues are not changes, but they are materials.
When a glue gun melts a glue stick is it a physical change?
Yes, the stick changes from solid to liquid momentarily.
Is cutting up a pear a reversible change or a chemical reaction and why?
You can't glue together a divided pear,if you want it to be valuable but it is not a chemical change..why?-The reason is that a chemical change is followed by entirely new product and what you have done is to seperate the pear molecules,it is still a pear!,and it is a physical change,and you are free to ask more question,because I understand that a pear has life..
Is baking cookies a chemical change?
Baking a pie is a chemical change because the cells of the ingredients are broken down when they get hot. You can see this when the crust becomes firm or the fruit in a pie becomes soft.
