,
,
, Chapter 1: Chemistry: The Science of Change
Chapter 1
Chemistry: The Science of Change
Practice Problems C
1.1 (iii)
1.2 (i) and (i)
1.3 pink liquid = grey solid < blue solid < yellow liquid < blue liquid < green solid
1.4 12 blue cubes, infinite number of significant figures;
2 × 10 red spheres, one significant figure
1
1.5 2.5 × 10 lb
2
1.6 2.67 g/cm
3
1.7 (a) 4 red blocks/1 object
(b) 1 object/1 yellow block
(c) 2 white blocks/1 yellow block
(d) 1 yellow block/6 grey connectors
1.8 375 red bars; 3.5 × 10 yellow balls
3
Key Skills
1.1 d 1.2 e 1.3 a 1.4 b
Questions and Problems
1.1 Chemistry is the study of matter and the changes that matter undergoes.
Matter is anything that has mass and occupies space.
1-1
,
, Chapter 1: Chemistry: The Science of Change
Chapter 1
Chemistry: The Science of Change
Practice Problems C
1.1 (iii)
1.2 (i) and (i)
1.3 pink liquid = grey solid < blue solid < yellow liquid < blue liquid < green solid
1.4 12 blue cubes, infinite number of significant figures;
2 × 10 red spheres, one significant figure
1
1.5 2.5 × 10 lb
2
1.6 2.67 g/cm
3
1.7 (a) 4 red blocks/1 object
(b) 1 object/1 yellow block
(c) 2 white blocks/1 yellow block
(d) 1 yellow block/6 grey connectors
1.8 375 red bars; 3.5 × 10 yellow balls
3
Key Skills
1.1 d 1.2 e 1.3 a 1.4 b
Questions and Problems
1.1 Chemistry is the study of matter and the changes that matter undergoes.
Matter is anything that has mass and occupies space.
1-1
