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blondinia [14]
3 years ago
9

I have more questions about Chemistry.

Chemistry
1 answer:
Nesterboy [21]3 years ago
5 0
  1. Emulsifier is the substance that is soluble in two liquids and makes an emulsion last longer.
  2. Homogenization is the process called that reduces the size of particles so emulsions will last longer.
  3. Pressure is increased in a solvent to dissolve Large amounts of a gas.
  4. Surface roughness is increased as we grind a material.
  5. Atomic structure is used to identify the material .

<u>Explanation:</u>

  • An emulsifier is an agent that is used to maintain emulsion stability in order to prevent the liquid's separations.
  • Homogenization is the process that uses the mechanical force in order to break down the liquids into smaller uniform sizes.  
  • A large amount of gas can be dissolved in the solvent by increasing the pressure of the solvent as mentioned in the Henry law.
  • Grinding of the material usually results in material removal which takes back the smooth surface finish of the material.  
  • The Atomic structure is  used to determine the material type and its properties.

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The temperature of nitrogen is unknown when the gas occupies 100.0 mL at 99.10 kPa. If the gas is known to occupy 74.2 mL at 133
laiz [17]

Answer:

The unknown temperature is 304.7K

Explanation:

V1 = 100mL = 100*10^-3L

P1 = 99.10kPa = 99.10*10³Pa

V2 = 74.2mL = 74.2*10^-3L

P2 = 133.7kPa = 133.7*10³Pa

T2 = 305K

T1 = ?

From combined gas equation,

(P1 * V1) / T1 = (P2 * V2) / T2

Solving for T1,

T1 = (P1 * V1 * T2) / (P2 * V2)

T1 = (99.10*10³ * 100*10^-3 * 305) / (133.7*10³ * 74.2*10^-3)

T1 = 3022550 / 9920.54

T1 = 304.67K

T1 = 304.7K

3 0
3 years ago
Why does H2 is form more quickly than Cl2?
BigorU [14]
Is it because the bonds between hydrogen molecules for easier than bonds between chlorine molecules?

8 0
3 years ago
No two different elements will have the atomic number.-
Alborosie

Answer:

True!

Explanation:

Atomic number is special for each element! For eg Hydrogen has atomic number 1, no other element has that atomic number besides Hydrogen

7 0
3 years ago
What is the atomic number (Z) of an atom containing 30 neutrons and having A= 70?
Romashka-Z-Leto [24]
A= mass number = number of protons and neutrons in the nucleus

Z= number of electrons = number of protons
Given, number of neutrons= 30

Z = A - 30 = 70 - 30 = 40

Z = 40

I hope I was helpful
7 0
4 years ago
Read 2 more answers
Which two functional groups react to form an easter linkage?
7nadin3 [17]

Answer: You know that monomers that are joined by condensation polymerization have two functional groups. You also know (from Part 6) that a carboxylic acid and an amine can form an amide linkage, jand a carboxylic acid and an alcohol can form an ester linkage.

5 0
3 years ago
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