Question

Solid substance A has a melting point of 100°C. Liquid substance B has a freezing point of 110°C. For each substance, identify its state of matter and describe the motion of its particles when the substance is at 115°C.​

Answer 1

Solid substance A has a melting point of 100 degrees Celsius. In this case, the substance is in the liquid state at 115 degrees Celsius. Liquid substance B has a freezing point of 110 degrees Celsius. In this case, once it reaches 115 degrees Celsius, the substance is still a liquid.

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