Question 6 of 75
The boiling point in hydrocarbons (molecules containing H and C) increases with increasing molecular weight due to larger intermolecular forces. Which of these hydrocarbons would you expect to have the highest boiling point?
Correct Answer: E
Question 7 of 75
People wear woolen gloves in the winter because gloves
Correct Answer: C
Question 8 of 75
Different colors of light correspond to different wavelengths. Wavelengths are often quoted in nanometers (nm). The wavelengths of the visible part of the spectrum are shown in the diagram below.
According to the diagram, blue-green light would most likely have a wavelength of
According to the diagram, blue-green light would most likely have a wavelength of
Correct Answer: D
Question 9 of 75
What always stays the same when a chemical reaction takes place?
Correct Answer: A
Question 10 of 75
Which of the following is NOT true about sunlight?
Correct Answer: D