Select the correct answer The heating curve shows the energy pain of a substance as it changes from solid to gas. Which section of the graph shows the liquid phase of the substance gaining kinetic energy?
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answer: the rate of diffusion increases with increase in temperature.

increase in temperature, increases the molecular/particles speed (kinetic energy. diffusion means movement of particles through the material.

generally, the heavier the particle the more it interacts with the environment and more the temperature matters. so higher temperature results in higher diffusion.

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