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atroni [7]
1 year ago
7

draw the lewis structure for brf3 in the window below and then decide if the molecule is polar or nonpolar

Chemistry
1 answer:
Stella [2.4K]1 year ago
8 0

The given figure is Lewis structure of BrF₃ and its polarity.

A Lewis structure is based on the concept of the octet rule, in which atoms share electrons so that each atom has eight electrons in its outer shell.

Lewis structures, also known as Lewis-dot diagrams, show the bonding relationship between atoms of a molecule and the lone pairs of electrons in the molecule. Lewis structures can also be useful in predicting molecular geometry in conjuntion with hybrid orbitals.

Net dipole moment of this molecule is not zero. Hence, this is polar molecule.

Learn  more about Lewis structure here:- brainly.com/question/6224949

#SPJ4

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If a projectile flies 387 meters north in 8.5 seconds, what is its velocity?
Eddi Din [679]
Ok so velocity is speed but includes direction. The formula for both speed velocity is distance over time. so the equation is 387 over 8.5. That equals 45.5294117647 which can be rounded to 46.
4 0
3 years ago
Differentiate between alpha and beta and gamma rays
ElenaW [278]

Answer:

Alpha particles are energetic (fast) helium nuclei, beta particles are smaller and have half the charge, being energetic electrons (or positrons) only the gamma particles are photons, i.e., they are not massive particles at all, they are a form of electromagnetic radiation, a form more energetic than X-rays

6 0
3 years ago
A solution of nitrous acid and potassium nitrite acts as a buffer due to reactions that occur within the solution when a strong
Ghella [55]

Answer:

a. NO₂⁻ + H⁺ → HNO₂

b. HNO₂ + OH⁻ → NO₂⁻ + H₂O

Explanation:

A buffer is defined as an aqueous mixture of a weak acid and its conjugate base or vice versa.

The buffer of the problem is HNO₂/NO₂⁻ <em>where nitrous acid is the weak acid and NO₂⁻ is its conjugate base.</em>

a. When a acid is added to a buffer as the buffer of the problem, the conjugate base will react with the acid, to produce the weak acid, thus:

NO₂⁻ + HCl → HNO₂ + Cl⁻

Ionic equation is:

NO₂⁻ + H⁺ + Cl⁻ → HNO₂ + Cl⁻

In the net ionic equation, you avoid the ions that don't react, that is:

<h3>NO₂⁻ + H⁺ → HNO₂</h3>

b. In the same way, the weak acid will react with the strong acid producing water and the conjugate base, thus:

HNO₂ + NaOH → NO₂⁻ + H₂O + Na⁺

The ionic equation is:

HNO₂ + Na⁺ + OH⁻ → NO₂⁻ + H₂O + Na⁺

And the net ionic equation is:

<h3>HNO₂ + OH⁻ → NO₂⁻ + H₂O</h3>

5 0
3 years ago
A compound has an empirical formula of CHBr2. If it’s molar mass is 345.6 grams, what is it’s molecular formula
djyliett [7]

Answer:

The molecular formula is C2H2Br4

Explanation:

Molar Mass of CHBr2 = 12 + 1 + (2x80) = 12 + 1 + 160 = 173

The molecular formula = n x empirical formula

Molar Mass of the compound = 345.6

Empirical formula = CHBr2

n(CHBr2) = 345.6

n x 173 = 345.6

n = 345.6/173 = 2

Therefore the molecular formula is n(CHBr2) = 2(CHBr2) = C2H2Br4

3 0
3 years ago
Help then I will give a brainliest
BARSIC [14]
Hopefully you get the correct answer I just need points
8 0
3 years ago
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