JOJO


6.The functions of body language within communication:

-Definition: As difficult as it is to prise apart the functions of verbal and non-verbal communication, researchers have over the years been able to identify some basic functions of body language within the communication process.

-These functions generally fit within one of several general categories:

+ Regulating:Body language serves the function of pacing and regulating communication. For instance, in a group of people, there are a number of

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gg3

CHAPTER 12. PERSONALITY

1)Define personality:

An individual’s consistent patterns of feeling, thinking, and behaving.

2)Describe the processes that take place in the conscious, preconscious, and unconscious mind:

Unconscious mind:

·Memories outside awareness/not accessible

Preconscious mind:

·Thoughts just beneath surface

·Voluntary access

Conscious mind:

·Thoughts you are aware of

·Currently processing

3)Define and identify the functions of the id, ego, and superego:

Id:

·Primitive impulses, unconscious

·Pleasure

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5 marksh

An aqueous solution of 2% non-volatile solute exerts a pressure of 1.004 bar at the normal boiling point of the solvent. What is the molar mass of the solute?

Answer

Here,

Vapour pressure of the solution at normal boiling point (p1) = 1.004 bar  (Given)

Vapour pressure of pure water at normal boiling point (p10) = 1.013 bar

Mass of solute, (w2) = 2 g

Mass of solvent (water), (w1) = 100 – 2 = 98 g

Molar mass of solvent (water), (M1) = 18 g mol - 1

According to Raoult’s law,

(p10 - p1p10    =

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Stage 3Stage 3Stage 3 

An aqueous solution of 2% non-volatile solute exerts a pressure of 1.004 bar at the normal boiling point of the solvent. What is the molar mass of the solute?
Solution :
 Given values
Concentration is given in percent so that take
mass of the solution = 100 g
mass of non-volatile solute = 2% = 2g mass of the solvent = (100 — 2) = 98 g molecular mass of solvent (water) = 18
We have to find molecular mass of solute
The vapour pressure of pure boiling water = 1atm = 1.013
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ingles

1º-Complete the sentences with: (Complete with the word or the num
1-I’m not buying it ……………….1..because……………………..it’s too expensive
2-I was lost……………3…so………………………….. I bought a street map
3-We couldn’t get into the factory ……………4…because of………………………….the 
4-They’ve got………2 such……….a lot of money, they don’t know what to do 
5-She didn’t get the job ……4….because of……………
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chem

Write your tex

Substances can exist in each of these three states:

– solid

– liquid

– gas

• depending on the temperature and pressure.


The solid state

• Solids have:
• definite shape and definite volume • high density
• small compressibility
• very small thermal expansion

• Solid molecules are packed closely and rigidly together, so that they cannot easily slide past each other (potential energy dominates).


The liquid state

  • Liquids have:
    • indefinite shape and definite volume • high density
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