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3 years ago

What determines the shape and function of a protein?

1 answer:

6 0

The function is determined by shape. The protein is determined by its primary structure which is the sequence of amino acids.
Amino acid sequence is determined by nucleotides in the gene (DNA)

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In general, what is the effect if increased temperature on the solubility of a gas

r-ruslan [8.4K]

Increased temperature causes an increase in kinetic energy. The higher kinetic energy causes more motion in the gas molecules which break intermolecular bonds and escape from solution.

5 0

3 years ago

What type of organic molecule comprises the majority of a potato?

vladimir1956 [14]

Your answer should be Polysaccharides

MARK ME BRAINLIEST PLEASE!!!!!!!

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3 years ago

Help please hurry lots of points

andrey2020 [161]

I think ionic hope it helps

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2 years ago

Determine the molality of a solution of benzene dissolved in toluene (methylbenzene) for which the mole fraction of benzene is 0

kogti [31]

Answer:

2.32 m

Explanation:

So, according to definition of mole fraction:

$Mole\ fraction\ of\ benzene=\frac {n_{benzene}}{n_{benzene}+n_{toluene}}$

Mole fraction = 0.176

Applying values as:

$0.176=\frac {n_{benzene}}{n_{benzene}+n_{toluene}}$

$0.176\times ({n_{benzene}+n_{toluene}})={n_{benzene}}$

So,

$0.176\times n_{toluene}}=0.824\times {n_{benzene}}$

${n_{benzene}}=\frac {0.176}{0.824}\times n_{toluene}}$

${n_{benzene}}=0.2136\times n_{toluene}}$

Also, Molar mass of toluene = 92.14 g/mol

Thus,

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

$Mass=92.14\times n_{toluene}}\ g$

Also, 1 g = 0.001 kg

So,

$Mass\ of\ toluene=0.09214\times n_{toluene}}\ kg$

Molality is defined as the moles of the solute present in 1 kg of the solvent.

It is represented by 'm'.

Thus,

$Molality\ (m)=\frac {0.2136\times n_{toluene}}{0.09214\times n_{toluene}}$

<u>Molality of benzene = 2.32 m</u>

3 0

3 years ago

How much 2.0 M NH4NO3 is needed to make 0.585 L of 1.2 M NH4NO3 solution?

Nutka1998 [239]

Answer:

b . 0.351 L.

Explanation:

Hello!

In this case, since diluted solutions are prepared by adding an extra amount of diluent to a stock-concentrated solution, we infer that the number of moles of solute remains the same, therefore we can write:

$C_1V_1=C_2V_2$

Thus, solving for the volume of the stock solution, V1, we obtain:

$V_1=\frac{C_2V_2}{C_1}$

Now, by plugging in the given data we obtain:

$V_1=\frac{1.2M*0.585L}{2.0M}\\\\V_1=0.351L$

Therefore, the answer is b . 0.351 L.

Best regards!

5 0

2 years ago