All categories

3 years ago

What is the difference between something having particles tightly packed or having a force of attraction ?

1 answer:

4 0

Alright, in a solid, the particles are tightly packed together in an orderly manner and they only vibrate about in fixed positions. in order to overcome the forces of attraction, heat must be applied. example you want to melt iron to molten state, you must heat it up until the forces of attraction in between the particles weaken so that they'll become so called molten *liquid(?)*. in the molten state the particles are still packed closely together but not a tightly as in solid and they have no regular arrangement and the particles slide past one another.
I hope this helps sorry that it's long

You might be interested in

Into which two smaller groups are plants divided.

vova2212 [387]

It’s B

Because that is the smallest way scientists divide plants your welcome

5 0

3 years ago

A sample of 0.0860 g of sodium chloride is added to 30.0 mL of 0.050 M silver nitrate, resulting in the formation of a precipita

mestny [16]

Answer:

The answer is:

(a) $NaCl(aq)+AgNO_3(aq) \rightarrow AgCl(r) +NaNO_3 (aq)$

(b) NaCl

(c) 0.211 g

Explanation:

Given:

The mass of NaCl,

= 0.0860 g

The molar mass of NaCl,

= 58.44 g/mol

The volume of $AgNO_3$ ,

= 30.0 ml

or,

= 0.030 L

Molarity of $AgNO_3$ ,

= 0.050 M

Moles of NaCl will be:

= $\frac{Given \ mass}{Molar \ mass}$

= $\frac{0.0860}{58.44}$

= $0.00147 \ mol$

now,

Moles of $AgNO_3$ will be:

$= Molarity\times Volume$

$= 0.050\times 0.030$

$=0.0015 \ mol$

(a)

The reaction is:

⇒ $NaCl(aq)+AgNO_3(aq) \rightarrow AgCl(r) +NaNO_3 (aq)$

(b)

1 mole of NaCl react with,

= 1 mol of $AgNO_3$

0.0015 mol $AgNO_3$ needs,

= $0.00150 \ mol \ NaCl$

Available mol of NaCl < needed amount of NaCl

So,

The limiting reagent is "NaCl".

(c)

The precipitate formed,

= $0.00147\times \frac{1}{1}\times \frac{143.32}{1}$

= $0.211 \ g \ AgCl$

4 0

3 years ago

A sample of no2 occupies 16,500 ml at stp. How many no2 molecules are in the sample?.

svet-max [94.6K]

here it is! mL to Liters to moles to molecules

6 0

2 years ago

The illustration shows the basic unit of life. It is

arlik [135]

Where is the illustration?

8 0

3 years ago

One liter of water at 10 degrees celsius is added to one liter of water at 80 degrees celsius. what is the final temperature of

notka56 [123]

Find the average of these 2 temperatures, since they have the same volume.

(80 + 10) ÷ 2 = 90 ÷ 2 = 45°C

You can only use this method of averaging them out because they have the same volumes :)

3 0

4 years ago