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Nadusha1986 [10]
3 years ago
14

How does temperature, pressure and surface area affect the dissolving process

Chemistry
2 answers:
larisa [96]3 years ago
8 0
If I am correct, yes. As I was told in chemistry, the surface area affects the dissolving of the "sugar". If you put regular Surat in a hot cup of coffee, it will dissolve at a quick pace, but what if you put the same amount of sugar in the same amour of coffee, but the sugar was fine powder? It would dissolve even faster since it has more surface area. So temperature does affect the dissolving. Hope this helps!
Zarrin [17]3 years ago
8 0
Temperature : - DIssolving process is fastened by increase in temperture.( directly proportional)

Pressure : -  Dissolving process is fastened by decrease in pressure.( inversely proportional)

Surface area - Dissolving process is fastened by increase in surface area. ( directly proportional)
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The temperature of the gas
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3 years ago
Hey can someone help me and show work please
Ivahew [28]

Answer: 2.54g

Explanation:

Molar Mass of H2O2 = (2x1) + (2x16) = 34g/mol

1mole (34g) of H2O2 contains 6.02x10^23 molecules

Therefore Xg of H2O2 will contain 4.5x10^22 molecules i.e

Xg of H2O2 = (34x4.5x10^22)/6.02x10^23 = 2.54g

5 0
3 years ago
Does somebody know the answer ?
Alex777 [14]
H2O is the missing reactant.

Just a caveat: this equation isn’t balanced.
3 0
3 years ago
Explain why some people use the term decimal system as a synonym for the metric system?
Luda [366]

Answer:

The term Decimal is coined from the word Decimus. Decimus is a Latin word which means ‘tenth’.

The Decimal system is a system of numbering that is based on multiples of tens. It is flexible and easy to convert from one metric to another.

The preference of the term over the Metric System is because the word Metric is related more to the measurement of lengths if we looked at the origin of the word which is French.

Cheers!  

3 0
3 years ago
How many atoms and ions does lithium sulfite have?
Serhud [2]

Answer:

Hence the<u> ions per mole</u> are:

Li^{+}= 2 ions

SO_{3}^{2-}(aq)= 1 ions

In one mole of Li2SO3 , the number of the atoms are

N_{a}=6.022\times 10^{23}

Explanation:

The formula of  lithium sulfite is Li2SO3.

Li_{2}SO_{3}

It contain Li+ and SO3(2-) ions.This can be represented by :

Li_{2}SO_{3}(s)\rightarrow 2Li^{+}(aq) +SO_{3}^{2-}(aq)

Hence one mole of Li2SO3 will give 2 Li+ ions and 1 SO3 (2-) ion.

Hence the<u> ions per mole</u> are:

Li^{+}= 2 ions

SO_{3}^{2-}(aq)= 1 ions

Number of atoms in  lithium sulfite depends upon the<u> mass of the Li2SO3 present</u> .

Li2SO3 = 93.94 g/mole

This mass is equal to 1 mole of Li2SO3

Now<u> 1 mole</u> of any substance contain Na atoms . This is known as Avogadro Number.

N_{a}=6.022\times 10^{23}

Hence , if 1 mole of Li2SO3 is present then it contains Na atoms

If other then 1 mole present then number of atoms are calculated by:

Number\ of\ Atoms=Moles\times (N_{a})

Here n = number of moles

if the mass of the compound is given then first calculate the number of moles.

Moles=\frac{mass}{Molar\ mass}

6 0
3 years ago
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