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4 years ago

13

Which pair of atoms will form a covalent molecule?

1 answer:

lyudmila [28]4 years ago

7 0

Covalent molecules are molecules that have a sharing of electrons occurring between them, and this most commonly occurs between two non- metals. Therefore, 1 atom of oxygen and 2 atoms of hydrogen will form a covalent bond and this molecule is known as water

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A body of density 9.0cm appears to have mass 27.0g in a liquid of density 1.2gcm. What is the volume of the solid?

Alika [10]

Answer:

v * 9.0 = 27.0 + (v * 1.2)

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3 years ago

Define cyber law and its types.

butalik [34]

Answer:

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Copyright
Patents
Trademarks or Service Marks
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Explanation:

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3 years ago

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Lady_Fox [76]

Answer:

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Explanation:

it's a mixed number

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3 years ago

Which of the following is NOT a force that influences the wind? A. coriolis effect B. magnetic field C. pressure gradient D. fri

Pavlova-9 [17]

A magnetic field does not have any influence on wind. The Coriolis effect, pressure gradient, and friction do affect wind.

The solution is B.

7 0

4 years ago

Read 2 more answers

A researcher measures the thickness of a layer of benzene (nn = 1.50) floating on water by shining monochromatic light onto the

baherus [9]

Answer:

The minimum thickness is $t= 8.75*10^{-8} m$

Explanation:

generally the equation for thin film interference is mathematically represented as

$2nt = (m + \frac{1}{2} ) \lambda$

Where t the thickness

m is any integer

n is the refractive index of the film

$\lambda$ is the wavelength of light

Since we are looking for the thickness we make t the subject of the formula

$t = \frac{(m+ \frac{1}{2} ) \lambda}{2n}$

m= 0 cause the thickness is minimum at m=0

Substituting values

$t = \frac{(0 +\frac{1}{2}) 8525*10^{-9} }{2 *1.5}$

$t= 8.75*10^{-8} m$

8 0

3 years ago

Read 2 more answers