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Is alcohol expanding in thermometer on a hot day a physical or a chemical change?
1 physical 2 ITS MERCURY THAT IS IN A THERMOMETER
Is mercury expanding in a thermometer a chemical or physical change?
Physical. The mercury doesn't change.
Is the detonation of fireworks a physical or chemical change?
The actual detonation (a rapid oxidation reaction) is an example of a chemical change.The resulting blast of expanding gas, sound, and light; and the shredding of the casings are physical changes.
Is liquid expanding in a thermometer a chemical change?
No. It's a physical change since it's still the same liquid.
Is filling a balloon with hot air a chemical or physical change?
Filling a balloon with hot air is a physical change because the hot air is simply expanding and occupying more space within the balloon, without any change in its chemical composition.
Is a hot air balloon a chemical change?
No, a hot air balloon involves physical changes such as heating and expanding the air inside the balloon, without involving any chemical reactions.
Is explosions chemical or physical?
Explosions are typically classified as a chemical reaction. Chemical explosions involve a rapid release of energy due to the breaking and forming of chemical bonds in a highly exothermic reaction.
Is stapling an envelope a physical change or chemical?
A physical change
Is it a physical or chemical change when the liquid mercury in a thermometer expands as it is heated?
physical change
Is making a sponge chemical or physical change?
Making a sponge involves a physical change, as it typically entails altering the shape and structure of materials without changing their chemical composition. The process of expanding materials like polyurethane foam creates the sponge's porous texture, but the chemical identity of the substances remains intact. Thus, while the sponge's form is modified, the underlying materials do not undergo a chemical transformation.
Is a nonflammable a physical or chemical property?
chemical property
Can chemical and physical changes be called chemical and physical reactions?
yes it can be called physical and chemical reaction
