1) Alkenes (total 10 marks)

a)

Draw the products 1A and 13 of the ozonolysis reaction depicted in Scheme

Q1a and circle and name the functional groups in the products.

1) alkene (1 mole)

03 (1 mole)

Products

1A and 1B?

+ (CH3)2S=0

2) (CH3), S (1 mole)

Scheme Q1a

(3 marks)

Page 2 of 4

557 words

BE

English (United Kingdom)

Focus

2319

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Which statement can best be concluded from the ideal gas law?

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost