HSC Chemistry production of materials
1
Ethene may be converted into poly(ethene). What type of reaction is this?
(A) Condensation (B) Hydrolysis
(C) Oxidation/reduction
(D) Polymerisation
2001:1
1
2
You have carried out a first-hand investigation to compare the reactivity of an alkene with its corresponding alkane.
(a) State the name of the alkene.
2002:16(a)
1
(b) Outline a procedure to compare the reactivity of this alkene with its corresponding alkane.
2002:16(b)
2
(c) Describe the results obtained from this first-hand investigation and include relevant chemical equations.
2002:16(c)
3
3
Explain why alkanes and their corresponding alkenes have similar physical properties, but very different chemical properties.
2002:17
3
4
Which polymer is made by the polymerisation of methyl methacrylate?
CH3
H2C= C—COOCH3 methyl methacrylate
2003:11
1
5
The flowchart shows the production of polyethylene.
(b) Describe Process Y.
2003:17(b)
3
6
A sample of polyethylene was produced by Process Y. The following graph shows the distribution of molecular weights of polymer molecules in the sample.
(c) Why is a range of molecular weights observed?
2003:17(c)
1
7
Write a balanced chemical equation for the complete combustion of ethanol.
2003:22(a)
1
8
25.0 mL of 0.12 mol L−1 standard barium hydroxide solution was titrated with nitric acid. The results are recorded in the table.
Titration
Volume of nitric acid used
(mL)
1
20.4
2
18.1
3
18.2
4
18.1
(a) Write a balanced chemical equation for the reaction of barium hydroxide with nitric acid.
2003:23(a)
1
9
The structures of two commercially significant monomers are shown.
(a) Identify the common name of ONE of the monomers
2004:17(a)
1
(b) The uses of polymers are dependent on their properties. 3
Discuss this statement with reference to a polymer made from one of the above monomers.
2004:17(b)
3
(c) Draw the
Ethene may be converted into poly(ethene). What type of reaction is this?
(A) Condensation (B) Hydrolysis
(C) Oxidation/reduction
(D) Polymerisation
2001:1
1
2
You have carried out a first-hand investigation to compare the reactivity of an alkene with its corresponding alkane.
(a) State the name of the alkene.
2002:16(a)
1
(b) Outline a procedure to compare the reactivity of this alkene with its corresponding alkane.
2002:16(b)
2
(c) Describe the results obtained from this first-hand investigation and include relevant chemical equations.
2002:16(c)
3
3
Explain why alkanes and their corresponding alkenes have similar physical properties, but very different chemical properties.
2002:17
3
4
Which polymer is made by the polymerisation of methyl methacrylate?
CH3
H2C= C—COOCH3 methyl methacrylate
2003:11
1
5
The flowchart shows the production of polyethylene.
(b) Describe Process Y.
2003:17(b)
3
6
A sample of polyethylene was produced by Process Y. The following graph shows the distribution of molecular weights of polymer molecules in the sample.
(c) Why is a range of molecular weights observed?
2003:17(c)
1
7
Write a balanced chemical equation for the complete combustion of ethanol.
2003:22(a)
1
8
25.0 mL of 0.12 mol L−1 standard barium hydroxide solution was titrated with nitric acid. The results are recorded in the table.
Titration
Volume of nitric acid used
(mL)
1
20.4
2
18.1
3
18.2
4
18.1
(a) Write a balanced chemical equation for the reaction of barium hydroxide with nitric acid.
2003:23(a)
1
9
The structures of two commercially significant monomers are shown.
(a) Identify the common name of ONE of the monomers
2004:17(a)
1
(b) The uses of polymers are dependent on their properties. 3
Discuss this statement with reference to a polymer made from one of the above monomers.
2004:17(b)
3
(c) Draw the