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zhenek [66]
3 years ago
9

based on their formulas which of these compounds is not likely to be an ionic compound: KBr, SO2, or AlCl3? Explain.

Chemistry
2 answers:
Tanzania [10]3 years ago
7 0
SO2 is not likely to be ionic.

An ionic bond is most commonly formed between a metal and a non-metal.

K (potassium) and Br (bromine) are a metal and non-metal pair.

Al (aluminum) and Cl (chlorine) are a metal and non-metal pair.

S (sulfur) and O (oxygen) are both non-metals, and likely formed a covalent bond instead of an ionic bond, which is common for two non-metals.
Ugo [173]3 years ago
5 0
SO2, since it is made of two non-metals.
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Convert 5.0x10^24 molecules to liters.
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To convert the given value we need conversion factors to relate molecules to liters. At STP, we know that 1 mol is equal to 22.4 L  and by using Avogadro's number we can relate molecules to 1 mol. Calculation is as follows:

5.0x10^24 molecules ( 1 mol / <span>6.022 x 10^23 molecules<span> ) ( 22.4 L / 1 mol) = 186.0 L </span></span>
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4 years ago
Poh of a solution with a ph of 5.00
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Answer:

9

Explanation:

14-5.=pOH

- Hope that helps! Please let me know if you need further explanation.

8 0
3 years ago
✯Hello✯☆(❁‿❁)☆
sveticcg [70]

do you mean fractional distillation of crude oil ?

if you do then this is what happens:

basically, crude oil is made up of a lot of hydrocarbons so it's put into a fracitonating column to separate these compounds into fractions. the top of the fractionating column is colder whereas the bottom of the column is hotter.

gases, petrol, diesel and kerosene come out near the top of the top of the column because they are shorter chains. substances near the top of the column also have a lower boiling point (since it's cooler and there's less intermolecular forces).

the substances at the top of the column are typically useful fuels because they have a higher ease of ignition (higher up=easier to ignite, lower down = harder to ignite). Also, substances at the top have a low viscosity so they can flow easily.

substances that come out near the bottom of the fracitonating column include fuel oil and bitumen.

these are longer chains of hydrocarbons and bitumen is used for road surfacing.

these substances have a high viscosity (harder to flow) and have a high boiling point since they have more intermolecular forces which require a lot of energy to break. Also the bottom of the fractionating column is warmer and this is where these fractions are released.

5 0
3 years ago
As the speed changed, what did you notice about the molecules’ freedom of movement? (amplify science)
lesya [120]

Answer:

The molecules in a gas have more freedom of movement than molecules in a liquid. Molecules in gas are free to move away from each other, so gas can expand to fill its container.

Explanation:

6 0
3 years ago
A mixture of NO2 and N2O4 gas is at equilibrium in a closed container. These gases react with the equation 2NO2 ⇌ N2O4. What wil
Dafna11 [192]

Answer:

Equilibrium will shift leftwards towards NO2.

Explanation:

Hello there!

In this case, according to the Le Cha telier's principle, it is possible to realize that the increase of the volume turns out in the shift towards the most of the gaseous moles are in; in such a way, for the given chemical reaction, we can notice how NO2 (reactant side) has the most of the moles (2 moles in comparison to 1 mole of N2O4); and therefore, by increasing the volume, the equilibrium will shift to it, it means leftwards.

Best regards!

5 0
3 years ago
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