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antoniya [11.8K]

3 years ago

6

Do you guys have any tips for a science report. My topic is pandas.

1 answer:

gayaneshka [121]3 years ago

3 0

Answer:

Sounds like Wikipedia would be a good place to start for most of this information.

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MissTica

Answer:

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5 0

3 years ago

In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions)

gregori [183]

Answer:

The correct answer will be " RbF > RbCl > RbBr > Rbl".

Explanation:

The size of the given ions will be:

<u>RbCl:</u>

⇒ 689kJ/mol

<u>RbBr:</u>

⇒ 660kJ/mol

<u>Rbl:</u>

⇒ 630kJ/mol

<u>RbF:</u>

⇒ 785kJ/mol

Now according to the size, the arrangement will be:

⇒ (785kJ/mol) > (689kJ/mol) > (660kJ/mol) >(630kJ/mol)

⇒ RbF > RbCl > RbBr > Rbl

The bond among all opposite charging ions seems to be strongest whenever the ions were indeed small.

6 0

3 years ago

Zat yang menunjukkan perubahan warna saat titk akhir titrasi tercapai

NikAS [45]

What language is that because I speak English

7 0

3 years ago

Water is a polar molecule and attracts other polar molecules. Which of the following is a consequence of this property?

Afina-wow [57]

Water is considered a universal solvent

4 0

3 years ago

Read 2 more answers

If given the mole fraction of water in an aqueous sucrose (C12H22O11) solution and asked to calculate the molality of the soluti

olasank [31]

Answer:

No additional information is required in order to calculate the molality of the solution.

Explanation:

Mole fraction of water = $\chi_1$

Mole fraction of sucrose = $\chi_2$

$\chi_1+\chi_2=1$

From the given mole fraction of water mole fraction of sucrose can be determined.

And from both values of mole fraction moles of water and sucrose can also be calculated.

$\chi_1=\frac{n_1}{n_1+n_2}$

$\chi_2=\frac{n_2}{n_1+n_2}$

After calculating the moles of water convert them into mass of water in grams and then change that into kilograms say that be M'.

Finally we can determine the molality of solution ;

$Molality=\frac{\text{Moles of compound}}{\text{mass of solvent (kg)}}$

Molality of the sucrose solution ;

$m=\frac{n_1}{M'}$

From this we can conclude that no additional information is required in order to calculate the molality of the solution.

7 0

3 years ago