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1. what do you call the temperature at which any solid changes into a liquid
2. is heat gain or lost when a solid melts


Sagot :

Answer:

1.Melting point

Melting point as a chemistry concept

The solid begins to go from a solid state to a liquid state — a process called melting. The temperature at which melting occurs is the melting point (mp) of the substance. The melting point for ice is 32° Fahrenheit, or 0° Celsius.

2.When a liquid loses heat, it freezes to become a solid. When solid ice at 0°C is heated, it gains heat and melts to form liquid water. When a gas loses heat, it condenses to form liquid water. When a liquid gains heat, it evaporates to form a gas.

Answer:

1. Melting Point.

2. Vaporation.