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Ksivusya [100]
3 years ago
10

What are the benefit of understanding physical properties?

Chemistry
1 answer:
klasskru [66]3 years ago
5 0
Physical properties help identifying a substance and how it changes.
For example: if a substance crushes easily that means it has a low density, but if it’s hard and doesn’t crush easily, that means it has a strong high density.
And eventually the substance would not end up forming a new substance.
Look at the picture below to understand more about physical changes.

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This mineral can be scratched with a fingernail.<br> Fluorite<br> 0 Gypsum<br> Quartz
pentagon [3]

Pretty sure it’s gypsum.

8 0
2 years ago
Calculate the empirical formula for DCBN, given that the percent composition is 48.9%C, 1.76%H, 41.2%Cl, and 8.15%N.
sweet [91]

Answer:

empirical formula is C7H3NCl2

Explanation:

too much work too explain and im lazy

5 0
3 years ago
PLZ HELP!!!!!!!!!!!!!
gregori [183]

117.22 g are needed to react with an excess of Fe2O3 to produce 156.2 g of Fe.

Explanation:

                  Moles of Fe = Mass of Fe in grams / Atomic weight of Fe

                                        = 156.2 / 55.847

                  Moles of Fe  = 2.79.

The ratio between CO and Fe id 3 : 2.

                  Moles CO needed  = 2.79 * (3 / 2)

                                                   = 4.185.

 To calculate Atomic weight of CO,

                  Atomic weight of carbon = 12.011

                  Atomic weight of oxygen= 15.9994

        Atomic weight of CO = 12.011 + 15.9994 = 28.01 g / mol.

                 Mass of CO   = 4.185 * 28.01 = 117.22 g.      

5 0
2 years ago
What is the least informative property of a mineral
Scrat [10]
All of them are important to identify a mineral and get information from it, but I'd say the least important is cleavage.
6 0
2 years ago
AL2O3 and ZNO are which oxides​
Nesterboy [21]

Answer:

<em><u>Metal oxides</u></em>

Explanation:

Al2O3, ZnO and SnO are typical amphoteric oxides. Metal oxides are usually basic and they react with acids to form their respective salts

6 0
3 years ago
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