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STatiana [176]
2 years ago
8

The chemical's name to the right, in molecular or ionic compound , usually ends in -ide How do we know which chemical goes first

when we are naming covalent compounds ?
Physics
1 answer:
Katen [24]2 years ago
7 0

Answer:

The name of the highly Electropositive element goes first.

e.g

Cl_{2}O \:  =  >  \: dichloride \: oxide

Chlorine is more Electropositive than Oxygen.

e.g

NO_{2} \:  =  >  \: nitrogen \: dioxide

Nitrogen is more Electropositive than Oxygen

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Drag each label to the correct location. Sort the sentences based on whether they describe the properties of a heterogeneous or
Lisa [10]

Answer:

ijpferiukjlwbl aojh oljn,

Explanation:

5 0
3 years ago
A light has wavelength of is used in the double slits experiment . Which of the following values represent the phase difference
Wewaii [24]

Answer:

s

Explanation:

8 0
3 years ago
A scientist that applies the laws of science to the needs of communities is called _____.
s2008m [1.1K]

Answer:

The experimental scientist

5 0
2 years ago
A star is moving away from an observer at 1% of the speed of light. At what wavelength would the observer find an emission line
Ivan

Answer:

  λ = 5940 Angstroms

Explanation:

This is an exercise of the relativistic Doppler effect

        f’= f  √((1- v / c) / (1 + v / c))

Where the speed in between the strr and the observer is positive if they move away

Let's use the relationship

         c = λ f

         f = c /λ

We replace

              c /λ’ = c /λ  √ ((1- v / c) / (1 + v / c))

              λ = λ’ √ ((1- v / c) / (1 + v / c))

Let's calculate

             v = 0.01 c

             v = 0.01 3 10⁸

             v=  3 10⁶ m / s

             λ = 6000 √ [(1- 3 10⁶/3 10⁸) / (1+ 3 10⁶/3 10⁸)]

             λ = 6000 √ [0.99 / 1.01]

             λ = 5940 Angstroms

6 0
3 years ago
A molecular cloud fragments as it collapses because Choose one: A. the interstellar wind is stronger in some places than others.
kondaur [170]

The cause for a molecular cloud forming fragments when it collapses is indicated correctly by option D. density variations from place to place grow larger as the cloud collapses.

Molecular cloud:

A molecular cloud, also known as a stellar nursery, is a specific kind of interstellar cloud, whose density and size allow the development of molecules, absorption nebulae, and H II regions. In contrast, some regions of the interstellar medium mostly consist of ionized gas.

Molecular clouds are cold, dense areas of space where stars form. The cloud collapses into a proto-star when the gravitational force pulling it in outweighs the internal pressure pushing it in.

When a molecular cloud collapses, it is observed that the density varies from place to place with the variation increasing with collapse. As a result, the collapse is characterized by fragmentation of the cloud.

Thus the correct option is: D. density variations from place to place grow larger as the cloud collapses.

Learn more about molecular clouds,

brainly.com/question/3459894

#SPJ4

6 0
1 year ago
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