Which of the following changes is NOT an example of green chemistry?
A) replacing mercury thermometers with alcohol thermometers
B) using large amounts of solvents such as benzene, which is a carcinogen
C) replacing energy from coal-fired power plants with energy from alternative sources
D) replacing lead in paint with titanium dioxide
Question 2
If 5.0 moles of ammonia is produced, then the number of hydrogen molecules consumed is ________.
N2 + 3 H2 2 NH3
A) 5.0
B) 7.5
C) 3.2
D) 1.0
Question 3
If the solubility of copper(II) sulfate is 4.9 10-3 M, the solubility product is ________.
A) 2.4 10-5
B) 9.6 10-5
C) 1.2 10-2
D) 8.7 10-8