Question 1

Yellow light has a wavelength of 580 nm.What is the frequency of this light?

Accepted Answer

remember that wavelength is in meters and c = 3.0 x 10⁸ m/s

Question 2

Which is/are part of the Chapman cycle in the stratosphere?
I.Ozone is removed by its reaction with water vapor.
II.Ozone is removed by an interaction with UV radiation.
III.Ozone reacts with oxygen atoms to form oxygen molecules.

Accepted Answer

This cycle is about the interaction of oxygen and UV only.

Question 3

UV-B radiation has a frequency of approximately 10¹⁷ s¯¹.What is the energy of a photon of this light?

Accepted Answer

where h = 6.626 x 10^-34 Js

Question 4

Which choice includes only polyatomic substances?

Accepted Answer

Polyatomic means multiple atoms

Question 5

By approximately what percentage did global production of CFCs fall from 1987 to 2000?

Accepted Answer

Take the amount now divided by the amount then times 100%

Question 6

The two chemical bonds and geometry of water are best represented by:

Accepted Answer

Water has two equal bonds and has two lone pairs of electrons on the central oxygen

Question 7

WUKF FM transmits at 93.5 MHz.What is the wavelength of the electromagnetic radiation that carries the station's signal?

Accepted Answer

bad media remember that wavelength is in meters and c = 3.0 x 10⁸ m/s

Question 8

Which region of the ultraviolet spectrum is absorbed least by the atmosphere?

Accepted Answer

The more energetic wavelengths are absorbed by oxygen gas and ozone molecules.

Question 9

Chlorofluorocarbons rise to the stratosphere and

Accepted Answer

Think about the complex process that leads to ozone destruction.

Question 10

From 1974 to 2002,the chance that a white male would be diagnosed with melanoma skin cancer rose by

Accepted Answer

Percent is now divided by then times 100%

Question 11

Two isotopes of a particular element differ from one another by the number of

Accepted Answer

Isotopes have the same number of protons and electrons

Question 12

Which product of the ultraviolet decomposition of CFCs acts as the catalyst for ozone decomposition?

Accepted Answer

Remember which of the halogens interacts to destroy ozone

Question 13

The chemical properties of the elements are chiefly due to the number

Accepted Answer

The valence electrons are those doing the business.

Question 14

In the Chapman cycle,ozone formation depends upon a sufficient concentration of oxygen atoms.Which step in the Chapman cycle produces oxygen atoms?

Accepted Answer

See fig 2.10 for a visual representation of the Chapman cycle.

Question 15

Free radicals are

Accepted Answer

Look at the other answers as well

Question 16

Results of the Montreal protocol include

Accepted Answer

Look for more successes of this agreement.

Question 17

Halons differ from CFCs in that the atoms of ______ replace some ______ atoms.

Accepted Answer

There is another halogen that is similar to chloride,but not as large as iodine

Question 18

You wear sunscreen,but not sunblock,on your skin in order for the sunscreen to __________________,thereby protecting your skin from some of the sun's radiation.

Accepted Answer

The answer of You wear sunscreen,but not sunblock,on your skin...

Question 19

Decreased stratospheric ozone concentrations may lead to

Accepted Answer

There are more biological effects.

Question 20

HCFCs have been developed to replace CFCs as refrigerants.Which property of these new compounds makes them environmentally superior to CFCs?

Accepted Answer

It is the stable compounds of chlorine that caused the ozone hole in the first place.

Quiz 2: Protecting the Ozone Layer

Yellow light has a wavelength of 580 nm.What is the frequency of this light?

Which is/are part of the Chapman cycle in the stratosphere? I.Ozone is removed by its reaction with water vapor. II.Ozone is removed by an interaction with UV radiation. III.Ozone reacts with oxygen atoms to form oxygen molecules.

UV-B radiation has a frequency of approximately 10¹⁷ s¯¹.What is the energy of a photon of this light?

Which choice includes only polyatomic substances?

By approximately what percentage did global production of CFCs fall from 1987 to 2000?

The two chemical bonds and geometry of water are best represented by:

WUKF FM transmits at 93.5 MHz.What is the wavelength of the electromagnetic radiation that carries the station's signal?

Which region of the ultraviolet spectrum is absorbed least by the atmosphere?

Chlorofluorocarbons rise to the stratosphere and

From 1974 to 2002,the chance that a white male would be diagnosed with melanoma skin cancer rose by

Two isotopes of a particular element differ from one another by the number of

Which product of the ultraviolet decomposition of CFCs acts as the catalyst for ozone decomposition?

The chemical properties of the elements are chiefly due to the number

In the Chapman cycle,ozone formation depends upon a sufficient concentration of oxygen atoms.Which step in the Chapman cycle produces oxygen atoms?

Free radicals are

Results of the Montreal protocol include

Halons differ from CFCs in that the atoms of replace some atoms.

You wear sunscreen,but not sunblock,on your skin in order for the sunscreen to __________________,thereby protecting your skin from some of the sun's radiation.

Decreased stratospheric ozone concentrations may lead to

HCFCs have been developed to replace CFCs as refrigerants.Which property of these new compounds makes them environmentally superior to CFCs?

Quiz 2: Protecting the Ozone Layer

Yellow light has a wavelength of 580 nm.What is the frequency of this light?

Which is/are part of the Chapman cycle in the stratosphere? I.Ozone is removed by its reaction with water vapor. II.Ozone is removed by an interaction with UV radiation. III.Ozone reacts with oxygen atoms to form oxygen molecules.

UV-B radiation has a frequency of approximately 1017 s¯1.What is the energy of a photon of this light?

Which choice includes only polyatomic substances?

By approximately what percentage did global production of CFCs fall from 1987 to 2000?

The two chemical bonds and geometry of water are best represented by:

WUKF FM transmits at 93.5 MHz.What is the wavelength of the electromagnetic radiation that carries the station's signal?

Which region of the ultraviolet spectrum is absorbed least by the atmosphere?

Chlorofluorocarbons rise to the stratosphere and

From 1974 to 2002,the chance that a white male would be diagnosed with melanoma skin cancer rose by

Two isotopes of a particular element differ from one another by the number of

Which product of the ultraviolet decomposition of CFCs acts as the catalyst for ozone decomposition?

The chemical properties of the elements are chiefly due to the number

In the Chapman cycle,ozone formation depends upon a sufficient concentration of oxygen atoms.Which step in the Chapman cycle produces oxygen atoms?

Free radicals are

Results of the Montreal protocol include

Halons differ from CFCs in that the atoms of ______ replace some ______ atoms.

You wear sunscreen,but not sunblock,on your skin in order for the sunscreen to __________________,thereby protecting your skin from some of the sun's radiation.

Decreased stratospheric ozone concentrations may lead to

HCFCs have been developed to replace CFCs as refrigerants.Which property of these new compounds makes them environmentally superior to CFCs?

UV-B radiation has a frequency of approximately 10¹⁷ s¯¹.What is the energy of a photon of this light?

Halons differ from CFCs in that the atoms of replace some atoms.