2 years ago

Why are intensive properties useful for identifying a substance?

Chemistry

1 answer:

Lesechka [4]2 years ago

3 0

Answer:

They do not depend on the amount of substance you have.

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How many particles are in one mole of copper (II) sulfate, CuSO4?

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A substance registers a temperature change from 20°c to 40°c. to what incremental temperature change does this correspond?

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3 years ago

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Mila [183]

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2 years ago

How much energy (kJ) is required to change 0.18 mole of ice (s) at 0 C to water (l) at 0 C?

Dmitriy789 [7]

Answer:25,06 kJ of energy must be added to a 75 g block of ice.

ΔHfusion(H₂O) = 6,01 kJ/mol.

T(H₂O) = 0°C.

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n(H₂O) = m(H₂O) ÷ M(H₂O).

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Q = 25,06 kJ.

Explanation:

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2 years ago

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boyakko [2]

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The IUPAC structure only shows bond pairs and lone pairs. In the flouromethane structure above, there is only one bond pair and three lone pairs of electrons. Therefore there is one electron remaining, but since it doesn't not make up a pair, it is ignored in the structure but theoretically it is present.

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