What is an atomic mass unti

Chemistry

2 answers:

IgorLugansk [536]3 years ago

5 0

Answer:

Atomic Mass Unit is also called Dalton. It is used to express atomic and molecular weight. It is defined as 1/12 of the mass of an unbound neutral atom of carbon.

Vlada [557]3 years ago

3 0

Explanation:

a unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.

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The heat of fusion for a substance is 122 joules per gram. How many joules of heat are need to melt 7.50 grams of this substance

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<h3>Answer:</h3>

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<h3>Explanation:</h3>

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It means that amount of heat equivalent to 122 joules is required to change 1 gram of the substance from solid state to liquid state.