UNIT 4-STATES OF MATTER🤎

Question 1

explain the orgin of pressure in gases

Answer 1

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Question 2

state the five assumptions of the kinetic theory of gases, state 2 examples of ideal gases

Answer 2

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Question 3

state two factors affecting the volume of a gas and explain how they affect the volume

Answer 3

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Question 4

write the general gas equation and it’s units, write an equation for finding the Mr

Answer 4

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Question 5

describe the lattice structure of a crystalline solid with a giant ionic structure including NaCl and MgCl2
(arrangement of lattice & physical properties of lattice i.e melting point, boiling point, electrical conductivity and solubility)

Answer 5

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Question 6

describe the lattice structure of a crystalline solid with a simple molecular structure including C60 and ice
(arrangement of lattice & physical properties of lattice i.e melting point, boiling point, electrical conductivity and solubility)

Answer 6

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Question 6

describe the lattice structure of a crystalline solid with a giant metallic structure including copper
(arrangement of lattice & physical properties of lattice i.e melting point, boiling point, electrical conductivity and solubility)

Answer 6

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Question 6

explain the differences between these two giant covalent structures: diamond and graphite (not in syllabus, just for understanding)

Answer 6

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Question 6

explain why alloys are stronger than pure metals (not in syllabus, just for understanding)

Answer 6

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Question 7

state how to convert degrees in Celsius to Kelvins (not in syllabus, just for understanding)

Answer 7

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