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Irina-Kira [14]
4 years ago
11

Suppose that, from measurements in a microscope, you determine that a certain layer of graphene covers an area of 1.50μm2. Conve

rt this to square meters.
Chemistry
1 answer:
Alex73 [517]4 years ago
7 0
The answer is 1.5*10^-12 square meters. For a detailed calculation, please refer to the attachment.
Download docx
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6.0 L of gas in a piston at a pressure of 1.0 atm are compressed until the volume is 3.5 L. What is the new pressure inside the
Ne4ueva [31]

Answer:

<u>1.7 atm</u>

Explanation:

The formula you would want to use it P2=p1v1/v2

Plug in the numbers and solve

(1)(6)/3.5

Let me know if you need any other help!

7 0
3 years ago
Determine whether each of the examples represents a colligative property or a non-colligative property. boiling point elevation
sleet_krkn [62]

Answer:

boiling point elevation - colligative property

color - non-colligative property

freezing point depression - colligative property

vapor pressure lowering - colligative property

density - non-colligative property

Explanation:

A colligative property is a property that depends on the number of particles present in the system.

Freezing point depression, boiling point elevation and vapour pressure lowering are all colligative properties of solutions.

Colour and density do not depend on the number of particles present hence they are not colligative properties.

7 0
3 years ago
Photosynthesis uses 660-nm light to convert co2 and h2o into glucose and o2. calculate the frequency of this light.
Allushta [10]
The unit expressed in 660 nm of light represents the wavelength of light. If you want to determine the frequency, you use the speed of light to relate the two. The formula is:

c = λν
where
λ is the wavelength
ν is the frequency
c is the speed of light = 3×10⁸ m


Apply SI units:
(3×10⁸ m) = (660×10⁻⁹ m)(ν)
Solving for ν,
<em>ν = 4.55×10¹⁴ s⁻¹</em>
4 0
3 years ago
The element is abundant in earths crust and combines with oxygen to form rocks and minerals. what element is it?
romanna [79]
The element is silicon (Si). It forms minerals like quartz and rocks such as granite.

5 0
4 years ago
Hahsusiaianbaisisii jsusis
photoshop1234 [79]

Answer:

yes i understand

Explanation:

i feel you

7 0
3 years ago
Read 2 more answers
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