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10 months ago

Decided whether the bond is likely to be polar or not.

Chemistry

1 answer:

Marizza181 [45]10 months ago

3 0

Answer:

$\begin{gathered} N\equiv N:triple\text{ }covalent\text{ }bond \\ Cl-Cl:covalent\text{ }bond \\ Br-F:Polar \end{gathered}$

Explanation: Nitrogen triple bonding with nitrogen is a covalent bond. Each nitrogen needs three electron to fill its octet so both nitrogen atoms will share the electrons. Chlorine- Chlorine has a covalent bond. Each chlorine atom needs one electron to fill its octet and so both chlorine atoms share. Bromine-Flouride is polar because of the difference in electronegative, flourine being the more electronegative of the two.

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Help plz I will give u BRAINLIST

Agata [3.3K]

CS2 + 3O2 = CO2 + 2SO2

1 mole of CS2 gives 1 mole of CO2

12 + 2(32) = 76g of CS2 yields 44 g of CO2

Theoretically 1 g of CS2 yields 44/76 g CO2

Therefore 50 g CS2 should yield 50*44 / 76 = 28.95 g

So % yield = 103.6 % ( which is not possible because you can't create matter from nothing).

The 30g cannot be right . This is experimental err.

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2 years ago

Earth has one moon and mars has two moons. how many more moons are found around the outer planets than the inner planets?

Travka [436]

The outer planets are <span>Jupiter, Saturn, Uranus and Neptune while the inner planets are Mercury, Venus, Earth, and Mars. The outer planets have more moons than the inner planets because these planets are much larger than the inner ones. The inner planets are terrestrial while larger ones are called gas giants, mostly made up of gas.</span>

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3 years ago

Read 2 more answers

Consider an atom having four distinct energy levels. If an electron is able to make transitions between any two levels, how many

Kryger [21]

Energy levels are the electron shells where electrons are found at a fixed distance from the nucleus of the atom. The atom could emit 6 different wavelengths.

<h3>What is wavelength?</h3>

A wavelength is a distance between the adjacent crests in wave signals propagated in a system. Wavelength $(\rm \lambda )$ is in inverse relation to the frequency of the wave.

When an electron jumps from energy level 1 to 2, 1 to 3, and 1 to 4 one wavelength each is present. Hence, making the total wavelength to be 3, in transition from the first energy level.

Similarly, from energy levels, 2 to 3 and 2 to 4, a total of 2 wavelengths, and from energy levels 3 to 4 one wavelength is produced.

So the total different wavelengths of the radiation that can be emitted will be 3 + 2 + 1 = 6.

Therefore, 6 different wavelengths of radiation will be emitted by the atom.

Learn more about wavelengths here:

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1 year ago

5. Why are lonic compounds good conductors of electricity?

ziro4ka [17]

Answer:

The options are unclear, however, the correct option is:

Aqueous solutions of ionic compounds cause to dissociate, hence, ions are free to conduct electricity

Explanation:

Ionic compounds are compounds formed from ions (charged atoms). For example, NaCl is an ionic compound from the following ions; Na+ (cation) and Cl- (anion). One characteristics of ionic compounds is their ability to dissociate into the ions that form them when in an aqueous solution i.e. NaCl will dissociate into Na+ and Cl- when in an aqueous solution.

These disssociated ions are free to conduct electricity, hence, making ionic compounds good conductors of electricity.

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2 years ago

13. When a train car traveling at 4 m/s collides with a stationary train car, what happens to the momentum of the first train ca

Solnce55 [7]

Answer:

Momentum of first train car will reduce

Explanation:

When the moving care collides with the stationary car, it will increase the momentum of the stationary car. However, its own momentum will reduce.

It is so because the speed of the first train car will reduce after collision due to loss of energy in the collision while the stationary car may gain some momentum due to rise in velocity from zero (velocity at stationary position).

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2 years ago