The amount of heat needed to melt one mole of a solid at a constant temperature is called .

The amount of heat needed to melt one mole of a solid at a constant temperature is called Enthalpy.

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what are the statements?

explanation:

give me the statements and i'll tell you which is correct

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.