Pregunta
Select all of the examples of a physical change of state. boiling stirring melting freezing evaporating
Ask by Deleon Ingram. in the United States
Feb 03,2025
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The physical changes of state are boiling, melting, freezing, and evaporating.
Solución
The examples of a **physical change of state** involve transitions between solid, liquid, and gas without altering the substance's chemical identity. Here's the breakdown of each option:
1. **Boiling**: **Yes**
- **Description**: Transition from liquid to gas.
2. **Stirring**: **No**
- **Description**: Involves mixing or agitating a substance without changing its state.
3. **Melting**: **Yes**
- **Description**: Transition from solid to liquid.
4. **Freezing**: **Yes**
- **Description**: Transition from liquid to solid.
5. **Evaporating**: **Yes**
- **Description**: Transition from liquid to gas, similar to boiling but typically occurs at the surface and below the boiling point.
**Therefore, the physical changes of state from your list are:**
- **Boiling**
- **Melting**
- **Freezing**
- **Evaporating**
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Simplifique esta solución Beyond the Answer
Boiling, melting, freezing, and evaporating are all examples of physical changes of state because they involve transitions between different states of matter (solid, liquid, gas) without altering the chemical composition of the substance. For instance, when ice melts, it changes from solid to liquid while still remaining H2O. Stirring, however, is not a change of state; it simply mixes materials together without altering their individual states or compositions. So, while your bubbling pot is changing water from a liquid to a gas, the stirring spoon remains just that—a spoon!
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