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3 years ago

Draw structural formula of a cyclic secondary alcohol with the molecular formula c3h6o.

Chemistry

1 answer:

zhannawk [14.2K]3 years ago

8 0

Structural formula is defined as the formula in which atoms are arranged in the molecule of a compound.

Alcohol: It is an organic compound having $-OH$ i.e. hydroxyl functional group on an aliphatic atoms of carbon.

Secondary alcohol: In this case, hydroxyl functional group is attached to carbon atom and that carbon atom is further linked with another two carbon atoms either in straight chain or cyclic form.

For example: the general structure of secondary alcohol is shown in figure (1), where R is an alkyl group.

Now, the given chemical formula is $C_{3}H_{6}O$ , three carbon atoms are linked with 5 hydrogen atoms and one hydroxyl functional group is attached to carbon atom.

The cyclic structural fromula of secondary alcohol is shown in figure (2).

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For an aqueous solution of hf, determine the van't hoff factor assuming 0% and 100% ionization, respectively. a solution is made

Snowcat [4.5K]

According to Osmotic pressure equation:

π = i M R T

When π =0.307 atm & M = 0.01 mol & R (constant)= 0.0821 L-atom/mol-K &
T= 22+273 = 295 Kelvin

So Van't half vector i = π / (MRT)
= 0.307 / (0.01 * 0.0821 * 295)
= 1.27

When there is no dissociation, i = no. of moles of Hf in 1 L of solution = (1-X)
and when there is a complete dissociation so it is equal 2X according to this equation

HF(aq) + H2O (L) ⇆ H3O (aq) + F (aq)
(1-X) X X

∴ i = (1-X) + (2x)

1.27 = 1+X
∴X= 1.27 - 1 = 0.27
∴ the percent ionization of the acid X = 27 %

7 0

2 years ago

a chemist adds of a calcium bromide solution to a reaction flask. calculate the mass in grams of calcium bromide the chemist has

mestny [16]

The mass of Calcium bromide added in the flask is 29.7 g.

<h3>What is Molarity? </h3>

Molarity is defined as the ratio of number of moles od solute to the number of volume of solution in litres.

Molarity = number of moles/ volume

<h3>Calculation of Moles</h3>

Number of moles = Molarity × volume

Given,

Molarity of Calcium bromide = 0.363 M

Volume of Calcium bromide = 410 mL

= 0.410L

By substituting all the value, we get

Number of moles = 0.363 × 0.410

= 0.148 mol

As we know that,

Molar mass of Calcium bromide = 199.89 g

Mole is defined as the given mass of substance to the molar mass of substance.

Given mass = Moles × Molar mass

= 0.148 × 199.89

= 29.75 g

= 29.7 g (significant digit)

Thus, we calculated that the mass of Calcium bromide added in the flask is 29.7 g.

learn more about Molarity:

brainly.com/question/19517011

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DISCLAIMER:

The above question is incomplete. Below is the complete question

A chemist adds 410.0mL of a 0.363 M calcium bromide solution to a reaction flask. calculate the mass in grams of calcium bromide the chemist has added to the flask. round your answer to 3 significant digits.

4 0

2 years ago

Which type of fertilization is common with animals that live in the water?

Makovka662 [10]

External fertilization in animals usually occurs in water or in damp areas in a process called spawning.

5 0

2 years ago

Read 2 more answers

Calculate the wavelength for the transition from n = 4 to n = 2, and state the name given to the spectroscopic series to which t

finlep [7]

Answer:

The wavelength for the transition from n = 4 to n = 2 is<u> 486nm</u> and the name name given to the spectroscopic series belongs to <u>The Balmer series.</u>

Explanation

lets calculate -

Rydberg equation- $\frac{1}{\pi } =R(\frac{1}{n_1^2} -\frac{1}{n_2^2})$

where , $\pi$ is wavelength , R is Rydberg constant ( $1.097\times10^7$ ), $n_1$ and $n_2$ are the quantum numbers of the energy levels. (where $n_1=2 , n_2=4$ )