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The metal in the wire combines with oxygen much faster because of the high heat which elevates energy state. As a result, the metal rapidly oxidizes and would actually weigh slightly more because each metal atom combines with an atom of Oxygen. This is why a light bulb metal wire filament burns out immediately if the glass bulb is cracked open allowing air to rush into the vacuum (also why it pops as it shatters). If this is the answer to your chem homework then I hope you learned something and weren't just being lazy.
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Is the glowing of a platinum wire in a flame a physical or chemical change?
It is a physical change. A physical change involves changing a substance only in its appearance, smell, taste, feel, or sound. A chemical change involves changing what makes up the substance or the way the substance reacts with other substances. When a normal platinum wire is placed over a flame, it glows. This is a physical change because the things that make up the platinum have not been changed, but the appearance has changed.
Why is it heating a platinum wire in air is a physical change?
Heating a platinum wire in air is a physical change because it does not change the chemical composition of the platinum wire. The heat causes the platinum wire to expand and may change its physical appearance, but it remains chemically the same.
Is Making silver jewelry a chemical change?
No, making silver jewelry is not a chemical change. It involves physical processes like melting the silver, shaping it, and cooling it. The composition of silver remains the same throughout the process.
Is forming a bar of gold into wire a chemical change or a physical change?
Forming a bar of gold into wire is considered a physical change. This is because the gold's chemical composition remains the same during the process, only its physical shape is altered.
What happens to the matter in copper wire when heated?
When copper wire is heated, the atoms within the wire vibrate more vigorously, leading to an increase in kinetic energy. This causes the wire to expand slightly in length and thickness. If heated excessively, the wire can eventually melt and transform into a liquid state.
What is the evidence that indicates that only physical changes occur when a platinum wire is heated in a Bunsen burner flame?
The evidence that indicates only physical changes occur when a platinum wire is heated in a Bunsen burner flame includes the fact that the platinum wire does not combine with oxygen or any other element in the flame to form a new substance, and the wire retains its chemical properties after cooling down. The color change of the wire due to heating is a reversible physical change, and the wire can be restored to its original state without any alteration in its composition.
Melting sugar is an example of a?
physical change. When sugar is heated, it changes from a solid to a liquid state without changing its chemical composition.
What parameters do you change in volume control ventilation to increase expiratory time?
what is the purpose of a heated wire circuit
Is water heated and changed to steam a physical or chemical change or both?
physical only, you are only changing its state, not its composition.
Is stretching wire into copper a physical or chemical change?
Stretching wire into copper is a physical change because the composition of the material remains the same. The rearrangement of copper atoms in the wire does not alter the chemical identity of the substance.
When you roast a marshmallow is it a physical change or a chemical change?
Roasting a marshmallow is a physical change, not a chemical change. The marshmallow undergoes a change in its physical state as it is heated, but its chemical composition remains the same.
Is the glowing of a platinum wire in a flame a physical or chemical change?
It is a physical change. A physical change involves changing a substance only in its appearance, smell, taste, feel, or sound. A chemical change involves changing what makes up the substance or the way the substance reacts with other substances. When a normal platinum wire is placed over a flame, it glows. This is a physical change because the things that make up the platinum have not been changed, but the appearance has changed.
Does wire expand when heated?
yes wires do because when the wires are heated the particles inside the wires change speed and move faster. this causes them to bump into one another and expand!
What are the energy change when a wire gauze is heated wityh a bunsun burner?
The energy change when a wire gauze is heated with a Bunsen burner is primarily in the form of thermal energy. The burner heats up the wire gauze, causing an increase in its temperature. This increase in temperature represents a transfer of thermal energy from the burner to the wire gauze.
Why is it heating a platinum wire in air is a physical change?
Heating a platinum wire in air is a physical change because it does not change the chemical composition of the platinum wire. The heat causes the platinum wire to expand and may change its physical appearance, but it remains chemically the same.
Is Making silver jewelry a chemical change?
No, making silver jewelry is not a chemical change. It involves physical processes like melting the silver, shaping it, and cooling it. The composition of silver remains the same throughout the process.
Is forming a bar of gold into wire a chemical change or a physical change?
Forming a bar of gold into wire is considered a physical change. This is because the gold's chemical composition remains the same during the process, only its physical shape is altered.
