Answers: Exercise 3_2 Molar Volume/ Reacting Volume

1.	C
2.	B
3.	C
4.	B
5.	B
6.	C
7.	A
8.	A
9.	A
10.	A

11.
a)	0.286g

b)

12.
a)	neutralisation
b)

c)	0.0164g

13.
a)	greater surface area providing more active sites onto which reactants can be adsorbed. [question refers to powdered catalyst – answer must relate to catalyst, not simply increased surface area as in rate of reaction understanding]
b)	10 [volumes]
c)	i) volume increase
	ii) volume remains the same
d)	1.2l

14.
a)	120cm³
b)	C₆H₁₀

15.
a)	Sodium is very reactive with air/ water/ sodium could cause fire risk/ risk of injury
b)	135.4g
c)	4.2 microseconds

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