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Alenkasestr [34]
2 years ago
13

Which of the following is an example of a model?

Chemistry
2 answers:
faust18 [17]2 years ago
7 0

B-a geographical map

Vlad1618 [11]2 years ago
5 0

B-a geographical map

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The molar heat of fusion of platinum (Pt) is 4.700 kcal/mol. How much heat must be added to 85.5 g of solid platinum at its melt
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The heat required to completely melt the given substance, platinum, we just have to convert first the given mass in mole and multiply the answer to its molar heat of fusion.. 
                              Hf  = mass x (1/molar mass) x molar heat of fusion
                            Hf = (85.5 g) x (1 mole/195.08 g) x 4.70 kcal/mol
                                   Hf = 2.06 kcal
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Classify each of the coordination compounds according to the coordination number.
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Coordination number has to do with the number of ligands that is attched to the central metal atom/ion.

<h3>What is coordination number?</h3>

The term coordination number has to do with the number of ligands that is attched to the central metal atom/ion. The coordination sphere contains this central metal along with associated ligands.

The question is incomplete. However, if I have something like, K3[Cr(H2O)6], the coordination number of the complex is six.

Learn mlore about coordination number: brainly.com/question/16236454

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