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They expand
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How does the density of most substances change when they are heated?
Most substances expand and become less dense when heated because the increased thermal energy causes the molecules to move farther apart, which decreases the density. However, there are exceptions such as water, which becomes denser when heated from 0°C to 4°C due to its unique behavior when transitioning from a liquid to a solid.
What happens to most substances when they are heated?
When substances are heated, typically their molecules gain energy and begin to move more rapidly. This increased movement can cause the substance to expand, change phase (from solid to liquid or gas), or even chemically react to form new substances. The specific changes depend on the substance's properties.
What does not decompose when heated?
Materials such as glass and ceramics do not decompose when heated because they are not organic compounds and do not break down into simpler substances under high temperature.
Why density of most substances decreases when heated?
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What happens to the density of solids liquids and gases when they are heated?
Generally, the density of solids, liquids, and gases decreases as they are heated. When heated, the particles in these substances gain energy and move more, causing the substance to expand, which leads to a decrease in density.
What expands when its heated?
Most substances expand when heated.
What expands when it is heated?
When heated, most substances expand due to the increase in kinetic energy of their atoms or molecules. This leads to an increase in the average distance between the particles, causing the substance to expand.
What do most substances like the liquid in a thermometer do when they are heated?
expand
What happens when most substances are heated?
All get very hot.
What happens to a solid when is heated?
A substance in the solid phase will typically expand when heated. Most substances when heated sufficiently will melt into a liquid, assuming that they do not combust or sublimate.
What do Metals and other substances do when heated?
materials usually expand when heated.
Why are substances expanded when they are heated?
because the particles
What do substances do when heated because of the molecules?
they expand
Which substance shrinks on heating?
Most substances expand when heated, but water is an exception. Water contracts when heated from 0°C to 4°C before expanding as it heats up further.
How does the density of most substances change when they are heated?
Most substances expand and become less dense when heated because the increased thermal energy causes the molecules to move farther apart, which decreases the density. However, there are exceptions such as water, which becomes denser when heated from 0°C to 4°C due to its unique behavior when transitioning from a liquid to a solid.
Why substances often expand when they are heated?
because the particles
Do substances have to contain water in order to be heated in the microwave?
No, substances do not have to contain water to be heated in the microwave. The microwave oven uses electromagnetic waves to agitate the molecules in the substance being heated, causing them to generate heat regardless of their water content.
