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Heat and temperature
The document discusses key concepts relating to temperature and heat, including: - Temperature is a measure of the average kinetic energy of particles in an object. When matter is heated, its atoms and molecules move faster. - Heat flows spontaneously from warmer to cooler objects due to differences in average particle kinetic energy. The energy that transfers between objects due to a temperature difference is called heat. - Thermal equilibrium is reached when objects come to share a common temperature, with equal average kinetic energies per particle. A thermometer measures temperature by coming into thermal equilibrium with its surroundings.
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Heat and temperature
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- 2. When matter gets. warmer,the atoms or molecules in the matter move faster
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- 18. HEAT •Heat flows accordingto temperature differences— that is, average molecular kinetic energy differences.
- 19. HEAT •The direction ofspontaneous energy transfer is always from a warmer to a cooler substance. •The energy that transfers from one object to another because of a temperature difference between them is called heat.
- 20. CONCEPT CHECK: What causesheat to flow?
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- 24. THERMAL EQUILIBRIUM Water seeksa common level with pressures at equal elevations the same.The thermometer and its surroundings reach a common temperature with the average kinetic energy per particle the same.
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- 27. THERMAL EQUILIBRIUM CONCEPT CHECK:How does a thermometer measure temperature?
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- 56. The High SpecificHeat Capacity of Water
- 57. The High SpecificHeat Capacity of Water
- 58. The High SpecificHeat Capacity of Water
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