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andrew11 [14]
3 years ago
5

The energy needed to melt 1 g of a substance is called the

Chemistry
1 answer:
Oliga [24]3 years ago
4 0
This is called the heat of fusion
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Describe the method of steel manufacture used when removes the impurities carbon, phosphorus and sulfur​
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Explanation:

Steelmaking is the process of producing steel from iron ore and/or scrap. In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur and excess carbon (most important impurity) are removed from the sourced iron, and alloying elements such as manganese, nickel, chromium, carbon and vanadium are added to produce different grades of steel.

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Neon has 2 isotopes. Neon-20 has a mass of 19:992 amu and
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The average atomic mass is (90 * 19.992 + 10* 21) / 100

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