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2 years ago

Liquid particles have more _energy than their solid forms

Chemistry

1 answer:

zepelin [54]2 years ago

8 0

Answer:

Kenetic

Explanation:

If you add heat energy to a liquid, the particles will move faster around each other as their kinetic energy increases.

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***Question in photo*** Is the entropy positive or negative in this question?

Kamila [148]

Answer:

Enthalpy change is negative

Entropy change is Positive

Explanation:

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3 years ago

Predict the products when cyclohexanol is dehydrated.

lubasha [3.4K]

When cyclohexanol is dehydrated using various means it creates a new hydrocarbon. This new hydrocarbon is called cyclohexene. Cyclohexene is a liquid which has no color, yet has a very strong smell to it. It is used in common industrial processes, but is also considered somewhat unstable due to it's tendency to form peroxides when exposed to light.

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2 years ago

Name 2 separate technique in separating iodine crystal and iron filings

KonstantinChe [14]

One is through sublimation, where the mixture is heated and iodine gets converted into gaseous form, leaving behind the iron fillings.

The other is to get a magnet near the mixture and all the iron fillings get attracted to it while iodine will be left over

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3 years ago

Following reactions FeSO4+KOH

prohojiy [21]

Explanation:

$FeSO _{4} + \: KOH \: →K _{2}SO _{4} \: + \: Fe(OH) _{2}$

5 0

2 years ago

A student is adding DI water to a volumetric flask to make a 50% solution. Unfortunately, he was not paying attention and filled

dalvyx [7]

Answer:

His results will be skewed because there was more water than stock solution. Which would cause the percentage solution to be less than 50% therefore the density would be less than the actual value.

Explanation:

The solution will have percentage less than that of 50%. Therefore the density would be less than the actual value.

Suppose there should be 50 mL of the solution, and he added 60 mL. So 10 mL of the solution is added more.

Suppose the mass of the solute is m.

Originally, the density is = $\frac{m}{50}$ $\left(\frac{\text{mass}}{\text{volume}}\right)$

Now after adding extra 10 mL , the density becomes $\frac{m}{60}$ .

Therefore, $\frac{m}{50}>\frac{m}{60}$

So the density decreases when we add more solution.

4 0

3 years ago