Exam 18: Chemistry of the Environment

The mole fraction of neon in dry air near sea level is 1.818 × 10^{- 5} where the molar mass of neon is 20)183. The concentration of neon in the atmosphere is _ _ ppm.

How can the presence of biodegradable waste in a lake result in the death of fish in the lake?

The approximate pH of acid rain is _ .

Which one of the following could be produced by anaerobic bacteria decomposing biodegradable waste?

Biodegradable material degraded by aerobic processes ends up as _.

Describe the process of reverse osmosis that is used to desalinate seawater.

The average adult in the U.S. needs _ liters of water per day.

Nitric oxide arises from internal combustion engines.

The amount of atomic O relative to O₂ .

The ionization energy of O₂ is 1205 kJ/mol: The maximum wavelength of light capable of causing the ionization of O₂ is nm.

Of the noble gases, is present in highest concentration in dry air at sea level.

Ozone depletion from chlorofluorocarbons is chiefly due to the production of free chlorine.

The dissociation energy of the C- Cl bond in CF₃Cl is 339 kJ/mol. The maximum wavelength of light that has enough energy per photon to dissociate the C- Cl bond is _ nm.

Ozone is a necessary, protective component of the

Which one of the following substances found in the atmosphere will absorb radiation in the infrared portion of the spectrum?

The mole fraction of carbon dioxide in dry air near sea level is 0.000375, where the molar mass of carbon dioxide is 44.010. The partial pressure of carbon dioxide when the total atmospheric pressure (dry air) is 97.5 kPa is kPa.

Sulfur dioxide is not released into the atmosphere in any significant amount by .

Cl atoms formed via photolysis of C- Cl bonds of chlorofluorocarbons in the stratosphere are particularly effective in destroying ozone at these altitudes because .

In the world's oceans, the average salinity is about g/kg.

Compounds found in fossil fuels that contain are primarily responsible for acid rain.