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Burka [1]
2 years ago
5

(Gr.7science)

Chemistry
2 answers:
MissTica2 years ago
4 0

Answer:Crystalline solids have well-defined edges and faces, diffract x-rays, and tend to have sharp melting points. In contrast, amorphous solids have irregular or curved surfaces, do not give well-resolved x-ray diffraction patterns, and melt over a wide range of temperatures.

Explanation:

Alla [95]2 years ago
3 0

Answer:

:-::-::

Explanation:

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The 54.9-g sample of the compound X2O7 contains 33.6 g of oxygen atoms. What is the molar mass of element X?
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7 0
3 years ago
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What is the net ionic equation for a reaction between HCl and NaOH
kodGreya [7K]

Answer:

What is the net ionic equation for a reaction between HCl and NaOH?

Explanation:

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Hope that helped.

5 0
2 years ago
Plants and animals can build up or break down rock by increasing weathering, erosion, and
alexgriva [62]

Answer:

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6 0
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