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Natasha2012 [34]
3 years ago
13

What types of compounds do not dissolve in water?

Chemistry
1 answer:
Nataliya [291]3 years ago
8 0
Oil doesn't dissolve in water, which could be your answer.
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Using a skeletal structure, give the structure corresponding to the name (s)−3−iodo−2−methylnonane.
lara31 [8.8K]

Explanation:

For the given compound: (s)-3-iodo-2-methylnonane, only third carbon- atom (marked with red dot) is the chiral atom (as it is attached to 4 different substituents), so the configuration will be assigned to this C-atom only.

In assigning the configuration of this compound, the priorities are assigned based on their atomic masses. The lowest priority group ( that is Hydrogen) should lie on the vertical line. But here, it is lying on the horizontal line, so the configuration will be reversed.

The configuration coming out when H is on the horizontal line is R, but the actual configuration will be S.

The structure of the given organic compound is shown in the image attached.

8 0
3 years ago
In the reaction
NemiM [27]

Answer:

3 moles of CO are needed

Explanation:

Given data:

Number of moles of CO used = ?

Mass of Fe produced = 112 g

Solution:

Chemical equation:

Fe₂O₃ + 3CO      →        2Fe + 3CO₂

Number of moles of Fe:

Number of moles = mass/ molar mass

Number of moles = 112 g/ 55.85 g/mol

Number of moles = 2.00 mol

Now we will compare the moles of iron and CO.

                   Fe        :         CO

                   2          :         3

Thus, 3 moles of CO are needed.

6 0
3 years ago
A metal cylinder is placed in a graduated cylinder which has been filled with water to the 70.0 mL mark. The water level rises t
OLga [1]
V= New mL displaced water - original old water that was already in the grad. cylinder basically 8.0 mL
3 0
3 years ago
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What are the Characteristics of handwriting?
mel-nik [20]

Answer:

the specific shape of letters, e.g. their roundness or sharpness.

regular or irregular spacing between letters.

the slope of the letters.

the rhythmic repetition of the elements or arrhythmia.

the pressure to the paper.

the average size of letters.

the thickness of letters.

5 0
3 years ago
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WILL MARK BRAINLIEST IF YOU ANSWER WITHIN 5 MINUTES
tensa zangetsu [6.8K]

Answer:

This is and ADDITION REACTION

Explanation:

Because your putting a compound and an element together

6 0
3 years ago
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