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3 years ago

an atom of which element has the strongest attraction for electons in a chemical bond?cholorine, phosphorus, carbon, sulfur

Chemistry

1 answer:

vredina [299]3 years ago

7 0

Answer:

D) Sulphur

Explanation:

Sulphur has the strongest electromagnetivity here

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If you multiply 1/2 X 1/2 what will you get as you answer

myrzilka [38]

One half times one half is .25 or 25%

4 0

3 years ago

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What is the volume of 7.50 x 10^24 molecules of NH3 at STP?

Allushta [10]

27.9L

Explanation:

Given parameters:

Number of molecules = 7.5 x 10²⁴molecules

Condition = STP

Unknown:

Volume of gas = ?

Solution;

The volume of gas at STP is expressed below;

Volume of gas = number of moles x 22.4

Number of moles = $\frac{Number of molecules }{6.02 x 10^{23} }$

Now if we can obtain the value of the number of moles from the expression above, we can plug it back into the equation of the volume of gas at STP;

Number of moles of NH₃ = $\frac{[tex]7.5 x 10^{24}$ }{6.02 x 10^{23} }[/tex]

Number of moles of NH₃ = 12.5moles

Volume of gas = 12.5 x 22.4 = 27.9L

learn more:

Volume of gas at STP brainly.com/question/7795301

#learnwithBrainly

3 0

3 years ago

What class of organic product results when 1-heptyne is treated with a mixture of mercuric acetate (HgSO4) in aqueous sulfuric a

Alekssandra [29.7K]

Answer:

heptan-2-one

Explanation:

In this case, the final product would be a ketone: heptan-2-one. To understand why this molecule is produced we have to check the reaction mechanism.

The first step is the protonation of the triple bond to produce the more stable carbocation (a secondary one) by the action of sulfuric acid $H_2SO_4$ . The next step is the attack of water to the carbocation to produce a new bond between C and the O, producing a positive charge in the oxygen. Then, a deprotonation step takes place to produce an enol. Finally, we will have a rearrangement (keto-enol tautomerism) to produce the final ketone.

See figure 1

I hope it helps!

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3 years ago

Which features are created by groundwater erosion and deposition? Check all that apply. stalagmites sinkholes rills stalactites

Nitella [24]

Answer:

Stalagmites

Sinkholes

Stalacites

Explanation:

These features are created because the ground water dissolves solid rocks and move the solid rocks, dissolve solutions beneath the ground water gradually and therefore enlarging the cracks, which eventually form a cave. Ground water carries minerals which are then deposited and can form stalagmites or stalactites. If a stalactite and stalagmite combine together, they usually form a column.

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3 years ago

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4. Consider the following reaction:

Lyrx [107]

Answer:

High temperatures

Explanation:

NaHCO₃ (8) + HCH,O₂ (aq) → H₂O (l) + CO₂ (g) + NaC,H₃O₂ (aq)

As the flask gets cooler to the touch as the reaction proceeds, the reaction is endothermic. This means that ΔH is positive (ΔH>0).

As a gas is formed (bubbles are formed), ΔS is positive (ΔS>0).

In terms of ΔG:

ΔG = ΔH - TΔS

In order for the reaction to be thermodynamically favorable, ΔH has to be negative, thus:

The reaction is favorable if TΔS > ΔH.

The greater the temperature, the easier it would be for TΔS to be greater than ΔH.

4 0

3 years ago