Getting started
© Pearson Education Australia (a division of Pearson Australia Group Pty Ltd) 2006.
This page from the Chemistry Dimensions 1, Teacher’s Resource may be reproduced for classroom use.
QUESTIONS
1 Research
2
Property Solid Liquid Gas
Volume Fixed Fixed Variable
Shape Fixed Variable Variable
Forces between particles Yes Yes No
Movement of particles Vibration and rotation Vibration, rotation and translation
Random and chaotic Compressibility Very limited Limited High
Distance between particles Small Small Large
3 A: condensation; B: boiling or evaporation; C: sublimation; D: sublimation; E: freezing
5s
4 a Particles are held together by bonds in both liquids and solids, hence volume is fixed. There are ‘no’ bonds between gas particles; hence they fill any container. b Particles are fixed in position in solids. They have rotational and vibrational movement only. In liquids and gases, particles have translational movement, and so shape can change. c In solids, particles are closer together than they are in the liquid. As liquification occurs, the volume increases and hence density decreases.
5 Physical: b and d; chemical: a and c
6 a Heterogeneous mixture b Element c Compound d Homogeneous mixture e Homogeneous mixture f Homogeneous mixture
7 Research
8 a Endothermic b Exothermic c Exothermic d Exothermic Solutions manual: Chapter 1
Getting started
© Pearson Education Australia (a division of Pearson Australia Group Pty Ltd) 2006.
This page from the Chemistry Dimensions 1, Teacher’s Resource may be reproduced for classroom use.
9 a Copper b Cu2+ ions (the blue colour) are converted to Cu atoms.
10 a Neutralisation b Decomposition c Redox and combination d Redox and combination and combustion
11 a NO2 b NaNO3 c CaCl2
12 Matter can neither be created nor destroyed, only changed from one form to another.
13 a 2C6
H12O6(aq) → 2C2