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artcher [175]
3 years ago
13

Why does an orange look orange?

Chemistry
1 answer:
Evgesh-ka [11]3 years ago
4 0
I think it’s “it reflects yellow and red
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Susan and her friend found a piece of metal which they want to
joja [24]

Answer:

The given  metal is beryllium.

Explanation:

Given data:

Mass of metal = 74 g

Volume of metal = 40 cm³

Which metal is this = ?

Solution:

First of all we will calculate the density.

it is mass divided by volume.

d = m/v

d = 74 g/40 cm³

d = 1.85 g/cm³

In literature it is given that the density of beryllium is 1.85 g/cm³. Thus given  metal is beryllium.

4 0
3 years ago
T is possible to produce a perfect crystalline solid that does not contain any vacancies?
Taya2010 [7]
<span>All crystalline solids contain vacancies. In fact, vacancies is one of the properties of a crystalline solids, for their presences is what creates their random (entropic) design. Furthermore, it is near impossible to create any solid matter that does not contain vacancies/defects. Vacancies can be created by the absence of an atom during matter creation; thermal vibrations can create such a defect as well.</span>
3 0
3 years ago
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IF SOMEONE HELP ME WITH THIS, I'll GIVE 100 POINTS! Create an organization structure for fictional elements. There are many ways
Vlad1618 [11]
Bruh you didn’t give 100 points tho
6 0
3 years ago
Part A
velikii [3]

Answer: The layers are ordered by density, with the least dense layer on top, and the densest layer on the bottom.

Explanation:

Plato

5 0
3 years ago
Even though the same amount of energy was transferred into both substances from the air, the isopropanol evaporated while the wa
Nesterboy [21]

Answer:

The isopropanol evaporated while the water did not because the molecules don't stick together as strongly as the molecules in the water do. The water would need more energy transferred in, in order to evaporate.

Explanation:

4 0
3 years ago
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