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kkurt [141]
3 years ago
11

the ability of an ion depends upon its charge density comment on the statement what is essential difference between hydration an

d hydrolysis​
Chemistry
1 answer:
Butoxors [25]3 years ago
6 0
  • The statement that an ability of ion depends on its charge density can be understood by its relation to its definition where charge density refers to the ratio of charge of ions to its volume.
  • The main difference between hydrolysis and hydration is that hydrolysis includes the split of a water molecule whereas hydration does not always include the split of a water molecule.

<u>Explanation</u>:

  • Their relation is that if, greater the charge density greater will be the ability of ion for reaction/reacting.
  • If Sodium ion (Na+) and Magnesium ion (Mg2+). They both contain 10 electrons, i.e. in the ratio (2,8). But, the number( no.) of protons in both ions is different. In the case of ion ( sodium), there are 11 protons present in its nucleus while in the case of ion (magnesium ) there are 12 protons present in its nucleus.
  • A chemical process in which a molecule is separated into two parts by the addition of a molecule of water is known as Hydrolysis. A reaction in which an attachment of hydrogen and hydroxyl ion takes place to a carbon in a carbon double bond is known as Hydration.

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Explain why the available amount of water per person differs between countries
Fudgin [204]

Answer:

because in the different countries it is distributed unevenly.

Explanation:

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4 0
2 years ago
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A student has a 2.19 L bottle that contains a mixture of O 2 , N 2 , and CO 2 with a total pressure of 5.57 bar at 298 K . She k
Sergeeva-Olga [200]

<u>Answer:</u> The partial pressure of oxygen gas is 2.76 bar

<u>Explanation:</u>

To calculate the number of moles, we use the equation given by ideal gas which follows:

PV=nRT

where,

P = pressure of the gas = 5.57 bar

V = Volume of the gas = 2.19 L

T = Temperature of the gas = 298 K

R = Gas constant = 0.0831\text{ L bar }mol^{-1}K^{-1}

n = Total number of moles = ?

Putting values in above equation, we get:

5.57bar\times 2.19L=n\times 0.0831\text{ L. bar }mol^{-1}K^{-1}\times 298K\\\\n=\frac{5.57\times 2.19}{0.0831\times 298}=0.493mol

To calculate the mole fraction of carbon dioxide, we use the equation given by Raoult's law, which is:

p_{A}=p_T\times \chi_{A}         ........(1)

where,

p_A = partial pressure of carbon dioxide = 0.318 bar

p_T = total pressure = 5.57 bar

\chi_A = mole fraction of carbon dioxide = ?

Putting values in above equation, we get:

0.318bar=5.57bar\times \chi_{CO_2}\\\\\chi_{CO_2}=\frac{0.381}{5.57}=0.0571

  • Mole fraction of a substance is given by:

\chi_A=\frac{n_A}{n_A+n_B}

We are given:

Moles of nitrogen gas = 0.221 moles

Mole fraction of nitrogen gas, \chi_{N_2}=\frac{0.221}{0.493}=0.448

Calculating the partial pressure of oxygen gas by using equation 1, we get:

Mole fraction of oxygen gas = (1 - 0.0571 - 0.448) = 0.4949

Total pressure of the system = 5.57 bar

Putting values in equation 1, we get:

p_{O_2}=5.57bar\times 0.4949\\\\p_{O_2}=2.76bar

Hence, the partial pressure of oxygen gas is 2.76 bar

6 0
3 years ago
A balloon contains 0.15 moles of co2 gas. how many molecules of co2 are in the balloon?
Sauron [17]
1- One mole is = 6.02 x 10^23 of anything, So one mole of atoms is 6.02x10^23.

2- when the balloon contains 0.15 moles of Co2 gas so:

the no.of molecules of Co2 = 0.15 x 6.02x 10^23

                                              = 9.0 x 10^22
5 0
3 years ago
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An average bushel of apples has a mass of 10 kg and contains 5 dozen apples.
Alina [70]

Answer:

Average mass of 6 apple  = 1 kg

Explanation:

Given:

Average mass of 5 dozen apple = 10 kg

Find:

Average mass of 6 apple

Computation:

Average mass of 6 apple  = [Average mass of 1 apple] x [6 apple]

Average mass of 6 apple  = [10/(12 x 5)] x [6]

Average mass of 6 apple  = 1 kg

3 0
2 years ago
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SOVA2 [1]
The Answer is D cause of the people going back and forth.
4 0
3 years ago
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