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When you hit a piece of graphite and break it into small pieces you have broken chemical bonds?
This is FALSE ! Because you only broke it in pieces and tearing or breaking into pieces is a PHYSICAL CHANGE not a chemical change. ---------------------------- I also consider that breaking graphite is only a physical change. - - - - --------------------- It's true, you break chemical bonds when you break pieces of graphite. Graphite is a macromolecule: it is found in sheets, and within the sheets each carbon atom is bonded to four other carbon atoms. The only way you could possibly get it apart is to break the bonds between atoms.
What non metal objects conduct electricity?
Some non-metal objects that conduct electricity include graphite, which is a form of carbon, and certain types of water, such as mineral-laden water. Semiconductor materials like silicon and germanium can also conduct electricity under certain conditions.
When rust forms on a car is that a physical change?
The formation of rust on a car is a chemical change, not a physical change. It occurs when the metal reacts with oxygen and moisture in the air to form iron oxide. This process alters the chemical composition of the metal, making it different from its original state.
Is an electrical outlet an example of chemical energy?
An electrical outlet is a physical object. It does not produce energy. What does produce the energy is electricity, which travels through the outlet to power your devices. Electricity is its own form of energy, called "electrical energy."So, no, an outlet is not an example of chemical energy.
What device is used to convert solar energy to electricity?
A solar panel is used to convert solar energy into electricity. Solar panels are made up of photovoltaic cells that capture sunlight and convert it into usable electricity through a physical and chemical process.
Is Copper conducts electricity physical or chemical?
Electrical conductivity is not a change but is a physical property.
Copper metal conducts electricity. physical or chemical change?
Copper metal conducting electricity is a physical property, not a physical or chemical change. Conductivity relates to how electrons move within a material, which does not alter the chemical composition of the copper itself.
Is copper conducts electricity chemical or physical change?
Copper conducting electricity is a physical change because it involves the movement of electrons within the material, without changing its chemical composition.
Is transferring graphite from a pencil to paper when writing a chemical change?
No. It is a physical change, because the graphite is still graphite.
What are three physical properties of coin?
Has luster, is malleable, and conducts electricity.
What are three physical properties of a aluminum can?
It's lightweight, malleable, and conducts electricity.
Is Transferring graphite from a pencil to paper when writing physical or chemical?
a physical change
Is graphite lubricant a chemical or physical property?
The lubricating property of graphite is a physical property. The graphite does not undergo a chemical change when used as a lubricant.
Is electricity chemical or physical properties?
A physical property.
How do you identify if a substance is metal matalloid or non metal?
In simple terms just by looking at them, and doing an electrical conductivity test you can tell the following. the metals are shiny and conduct electricity. The non-metals which are gases or liquids are easy to distinguish. The solid non metals such as sulfur are not shiny and do not conduct electricity. (graphite conducts electricity but is soft and not that shiny). The metalloids look a bit like metals but are very poor conductors of electricity.
How do polymorphs of carbon differ in terms of their physical and chemical properties?
Polymorphs of carbon, such as diamond and graphite, differ in their physical and chemical properties due to their different atomic arrangements. Diamond is hard, transparent, and has a high melting point, while graphite is soft, opaque, and has a lower melting point. Additionally, diamond is a poor conductor of electricity, while graphite is a good conductor. These differences arise from the unique bonding structures of each polymorph.
How does the process of burning graphite affect its physical and chemical properties?
When graphite is burned, it undergoes a chemical reaction that changes its physical and chemical properties. The high temperature causes the graphite to oxidize, forming carbon dioxide gas and leaving behind ash. This process alters the structure of the graphite, making it more brittle and less conductive. Additionally, the burning of graphite can also lead to the formation of new compounds, such as carbon monoxide.
