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3 years ago

Predict whether each of the following bonds is ionic, polar, covalent, or nonpolar covalent:

Chemistry

2 answers:

uysha [10]3 years ago

8 0

Predict whether each of the following bonds is no polar covalent, polar covalent, or ionic

Bond. Electro negativity Type of bond

Si- O

k-Cl

I-I

C-H

Gekata [30.6K]3 years ago

7 0

Explanation:

It is known that in order to determine a compound to be ionic, polar, covalent or non-polar covalent it is necessary to determine the electronegativity difference of the combining atoms.

So, when electronegativity difference is from 0.0 to 0.4 then bond formed between the two atoms is non-polar covalent in nature.

When electronegativity difference is greater than 0.4 and less than 1.8 then bond between the two atoms is a polar covalent bond.

When electronegativity difference is 1.8 or greater than the bond formed is ionic in nature.

Electronegativity difference of the given molecules is as follows.

Si-O = (1.90 - 3.44) = 1.54

K-Cl = (0.82 - 3.16) = 2.34

S-F = (2.58 - 3.98) = 1.4

P-Br = (2.19 - 2.96) = 0.77

Li-O = (0.98 - 3.44) = 2.46

N-P = (3.04 - 2.19) = 0.85

Therefore, given compounds are classified as follows.

Si-O, S-F, P-Br, and N-P all have a polar covalent bond. Whereas K-Cl and Li-O are ionic in nature.

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Slav-nsk [51]

Answer:

7.28 mol Na2SO4

Explanation:

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A molar ratio is the proportions of reactants and products using the balanced equation. When writing a mole ratio, the given information must cross out with the right thing.

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3 years ago

The atomic number of an element indicates the number of?

marshall27 [118]

Answer:

The number is mostly related to the mass or the weight of the element.

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2 years ago

Under what circumstances might be important to know the activity tendencies of elements?

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Answer: It is very important to know the activity tendencies of the elements. The activity tendencies tells us about whether the element is reactive or not.

In the redox-reaction where there is a need to know the oxidizing agent and reducing agent, we can know it easily from the activity tendencies. The elements lying above the reactivity series are better reducing agents.

In the substitution reactions, the activity tendencies helps us to know which element will replace the other. The element lying above in the series will replace the element lying below it.

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3 years ago

What would happen if a hot piece of iron were placed in a bucket of water at room temperature? How do you know?

BaLLatris [955]

Answer: Eventually, the metal will cool down and warm up. Overtime the metal and the water will come to the same temperature. This happens because the hot metal is giving energy to the water.

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3 years ago

what mass of silver chloride can be produced from 1.11 l of a 0.156 m solution of silver nitrate? express your answer with the a

tangare [24]

The mass of silver chloride produced is 24.79g.

Given,

volume = 1.11 L

Molarity = 0.156 M

First, convert molarity to moles by multiplying by the volume:

0.156 M AgNO3 = (0.156 moles AgNO3)/1 L x 1.11 L = 0.173 moles AgNO3

We are only interested in AgCl, not AgNO3. We convert moles of silver nitrate to moles of silver chloride using the balanced equation. This is a 1:1 conversion:

0.173 moles AgNO3 x (1 mole AgCl)/(1 mole AgNO3) = 0.173 moles AgCl

To get mass from moles, we multiply by the molar mass:

0.173 moles AgCl x (143.32 g/mol) = 24.79 g AgCl

To know more about molarity visit the link:

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1 year ago