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3 years ago

A mixture of large, dispersed particles.

Chemistry

2 answers:

Solnce55 [7]3 years ago

8 0

Answer:

Colloids are mixtures in which one or more substances are dispersed as relatively large solid particles or liquid droplets throughout a solid, liquid, or gaseous medium.

Pavel [41]3 years ago

5 0

Answer:

Colloids are mixtures in which one or more substances are dispersed as relatively large solid particles or liquid droplets throughout a solid, liquid, or gaseous medium.

Explanation:

I got the answer first

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Sodium and chlorine react to form sodium chloride. If there are 1.4 moles of sodium used, how many moles of chlorine were requir

sammy [17]

Answer:

0.7 moles of Chlorine gas is required.

Explanation:

The reaction is balanced as follows:

2Na + $Cl_{2}$ ------> 2NaCl

According to stoichiometry,

2 mole Sodium reacts with 1 mole Chlorine gas

∴1 mole Sodium reacts with 1/2 moles of Chlorine gas

∴1.4 mole sodium reacts with 1.4/2 moles of Chlorine gas

= 0.7 moles of Chlorine gas

So, 0.7 moles of Chlorine gas is required.

3 0

3 years ago

Which has a higher electronegativity phosphorus or sodium

Yuliya22 [10]

Answer:

it is phosphorus it has o most 2 times as much electromagnetically

Explanation:

4 0

3 years ago

How many molecules are in 3.94g of SO2?

IRISSAK [1]

To find the number of molecules, you need to first convert the mass into number of mol using the molar mass of SO2, simply add the atomic masses of each element and the number of times each element appears in the formula from the periodic table.

Then divide the mass by that value and then use Avogadro’s number to find the molecules.

Multiply by 6.02 x 10^23 Molecules.

5 0

4 years ago

How many Faradays of electricity are carried by 1.505×10^23 electronsk

aksik [14]

Mole of electron required by $1.505 *10^{23}$ mole is $2.5* 10 ^{-1}$

Faraday law expressed how the change that is been being produced by a current at an electrode-electrolyte interface is related and proportional to the quantity of electricity that is been used.

There is one mole of electron required for 1 Faraday of electricity.

Avogadro constant is $6.02*10^{23}$

Mole of electron can be calculated by dividing the number of electron by avogadro's constant.

= $\frac{1.505*10^{23} }{6.02*10^{23} }$

= $2.5* 10^{-1} Faraday of electricity$

Therefore, it requires $2.5*10^{-1}$ Faraday of electricity for the $1.505 * 10^{23} mole.$

Learn more at: brainly.com/question/1640558?referrer=searchResults

3 0

2 years ago

LINK Relating Volume and Absolute Temperature

natulia [17]

The volume is reduced to 8.5 L.

<u>Explanation:</u>

According to Charles law, the gases has the tendency to expand on heating, and so the volume of the gases increases on increasing the temperature which is measured in Kelvin, and also the volume and temperature are in direct proportion.

Given that:

V1 = Volume 1 = 10 L

T1 = Temperature 1 = 295 K

V2 = ?

T2 = Temperature 2= 250 K

Now Charles law can be mathematically expressed as,

$$\frac{V1}{T1} = \frac{V2}{T2}$

We can rearrange the equation to find V2 as,

$$ V2= \frac{V1\times T2}{T1}$

$$ V2 = \frac{10 L \times 250 K}{295 K} = 8.5 L$

Thus we obtain the volume V2 = 8.5 L which is low when compared to Volume 1 so we can conclude that the volume has reduced

8 0

3 years ago