17N.2.SL.TZ0.4
Topic 1: Stoichiometric relationships, 1.2 The mole concept
Menthol is an organic compound containing carbon, hydrogen and oxygen.
a. Complete combustion of 0.1595 g of menthol produces 0.4490 g of carbon dioxide and 0.1840 g of water. Determine the empirical formula of the compound showing your working. [3]
b. 0.150 g sample of menthol, when vaporized, had a volume of 0.0337 dm3 at 150 °C and 100.2 kPa. Calculate its molar mass showing your working. [2]
16N.1.SL.TZ0.23
Topic 10: Organic chemistry, 10.1 Fundamentals of organic chemistry
The structure of a drug used to treat symptoms of Alzheimer’s disease is shown below. Which functional groups are present in this molecule?
A. Hydroxyl and ester
B. Hydroxide and ether
C. Hydroxyl and ether
D. Hydroxide and ester
13M.1.SL.TZ2.6
Core, Topic 2: Mechanics, 2.1 – Motion
The graph shows the variation with distance x of the magnitude of the net force F acting on a body initially at rest.
Which of the following describes how the kinetic energy and the acceleration of the body change
with distance?
