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3 years ago

When the caraway seed oil is heated, which of the two components will most likely distill first?

Chemistry

2 answers:

IgorC [24]3 years ago

6 0

Answer:

The correct option is A

Explanation:

Distillation is the process of separating two or more miscible substances based on there difference in boiling point. Here, the one with the lowest boiling point separates/distill first, followed by the one with the next (lower) boiling point. The constituent with the highest boiling point is left behind except in cases where impurities are in high amount and it is also made to distill (last).

Limonene has a boiling point of 176°C while carvone has a boiling point of 231°C, hence limonene will distill first from a caraway seed oil distillation due to its lower boiling point.

blsea [12.9K]3 years ago

5 0

Answer:

Explanation:

Limonene has a boiling point of 176C and (+)-carvone has a boiling point of 231C.

In distillation, the temperature is gradually increased until one of the components begins to vaporizes out of the solution. This vapor is then condensed into a different container. The component that vaporizes first will do so at a lower temperature than the second. Therefore, the component that has the lower boiling point will vaporize first.

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Describe the difference between polar covalent bonds and nonpolar covalent bonds using these two molecules - H2 and HCl. Which m

kirill115 [55]

Polar covalent bonds are between atoms with different electronegativities, whereas nonpolar covalent bonds are between atoms with the same electronegativity.

This means that HCl is a polar covalent bond, whereas H2 is a nonpolar covalent bond.

4 0

1 year ago

Some common substances and their chemical formulas are listed in the chart.

vesna_86 [32]

Answer:

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Explanation:

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3 years ago

PLZ HELP!!

Nataly [62]

A and B are experiencing winter. The picture which isn't available here in this question is attached below.

Option C.

<h3><u>Explanation:</u></h3>

The earth is tilt by an angle of 23.2° to the vertical plane. This makes the seasonal variation of earth, because in some time of the year, the northern hemisphere faces the sun directly, experiencing summer and then southern hemisphere is away from summer experiencing winter and vice versa. The summer occurs when the place directly faces the sun. And the winter happens when the place obliquely faces the sun or doesn't face the sun at all.

Here in this diagram, we can see that the points A and B are the north pole and the part in northern hemisphere respectively which aren't facing the sun directly, whereas C and D are facing the sun. Thus the southern hemisphere is experiencing summer and the northern hemisphere the winter.

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3 years ago

When nitrogen gas reacts with hydrogen gas, ammonia gas is formed. how many grams of hydrogen gas are required to react complete

aniked [119]

The balanced equation for the formation of ammonia is as follows
N₂ + 3H₂ ---> 2NH₃
stoichiometry of N₂ to H₂ is 1:3
we need to find the moles of N₂, volume of N₂ has been given
molar volume is where 1 mol of any gas occupies a volume of 22.4 L at STP.
if 22.4 L is occupied by 1 mol
then 3.5 L of gas is occupied by - 3.5 L / 22.4 L/mol = 0.16 mol
number of moles of N₂ present - 0.16 mol
1 mol of N₂ requires 3 mol of H₂
therefore 0.16 mol of N₂ requires - 3 x 0.16 = 0.48 mol of H₂
mass of H₂ required - 0.48 mol x 2 g/mol = 0.96 g
0.96 g of H₂ is required

3 0

3 years ago

Calculate the speed of a marble that rolls 9 cm in 4 seconds

cupoosta [38]

Answer:

2.25

Explanation:

9/4

6 0

3 years ago