Notice: Payments for answers will end 4/10/2017. Click for more info.
You have new items in your feed. Click to view.
Question and answer
Q: 20. How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite? A. 23 B. 3 C. 2 D. 10
A: Ocean acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, [ caused by the uptake of anthropogenic carbon dioxide (CO2) from the atmosphere.[1] About 30–40% of the carbon dioxide released by humans into the atmosphere dissolves into the oceans, rivers and lakes.[2][3] To maintain chemical equilibrium, some of it reacts with the water to form carbonic acid.
Some of these extra carbonic acid molecules react with a water molecule to give a bicarbonate ion and a hydronium ion, thus increasing the ocean's "acidity" (H+ ion concentration). Between 1751 and 1994 surface ocean pH is estimated to have decreased from approximately 8.25 to 8.14,[4] representing an increase of almost 30% in H+ ion concentration in the world's oceans.[5][6] This increasing acidity is thought to have a range of direct undesirable consequences such as depressing metabolic rates in jumbo squid[7], depressing the immune responses of blue mussels.[8] and coral bleaching. Other chemical reactions are also triggered which result in an actual net decrease in the amount of carbonate ions available. In the oceans, this makes it more difficult for marine calcifying organisms, such as coral and some plankton, to form biogenic calcium carbonate, and existing such structures become vulnerable to dissolution.[9] Thus, ongoing acidification of the oceans also poses a threat to the food chains connected with the oceans.[10][11] As members of the InterAcademy Panel, 105 science academies have issued a statement on ocean acidification. The statement recommends that by 2050, global CO2 emissions be reduced by at least 50%, compared to the 1990 level. ]
Get an answer
Original conversation
User: How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite

User: 20. How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite? A. 23 B. 3 C. 2 D. 10

Weegy: Ocean acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, [ caused by the uptake of anthropogenic carbon dioxide (CO2) from the atmosphere.[1] About 30–40% of the carbon dioxide released by humans into the atmosphere dissolves into the oceans, rivers and lakes.[2][3] To maintain chemical equilibrium, some of it reacts with the water to form carbonic acid. Some of these extra carbonic acid molecules react with a water molecule to give a bicarbonate ion and a hydronium ion, thus increasing the ocean's "acidity" (H+ ion concentration). Between 1751 and 1994 surface ocean pH is estimated to have decreased from approximately 8.25 to 8.14,[4] representing an increase of almost 30% in H+ ion concentration in the world's oceans.[5][6] This increasing acidity is thought to have a range of direct undesirable consequences such as depressing metabolic rates in jumbo squid[7], depressing the immune responses of blue mussels.[8] and coral bleaching. Other chemical reactions are also triggered which result in an actual net decrease in the amount of carbonate ions available. In the oceans, this makes it more difficult for marine calcifying organisms, such as coral and some plankton, to form biogenic calcium carbonate, and existing such structures become vulnerable to dissolution.[9] Thus, ongoing acidification of the oceans also poses a threat to the food chains connected with the oceans.[10][11] As members of the InterAcademy Panel, 105 science academies have issued a statement on ocean acidification. The statement recommends that by 2050, global CO2 emissions be reduced by at least 50%, compared to the 1990 level. ]
Expert answered|neggy|Points 10|

Question
Asked 7/8/2013 10:25:44 AM
0 Answers/Comments
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
The tributary is a river that A. has a bank of less than 22 feet. B. flows into another river or stream. C. is located in California. D. is in the southeastern United States.
Question
Not Answered
Updated 6/2/2015 2:09:33 PM
1 Answer/Comment
A tributary is a river that: Flows into another river or stream.

Added 6/2/2015 2:09:33 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/2/2015 2:18:36 PM]
A glacier that covers a wide area is called a A. valley B. cirque C. continental D. moraline
Weegy: A glacier that covers a wide area is called a Continental glaciers. (More)
Question
Expert Answered
Updated 1/4/2015 10:38:49 AM
0 Answers/Comments
12. A flat area on a mountain is known as a A. plateau. B. grand valley. C. valley straight. D. rising canyon.
Weegy: The answer is A.plateau (More)
Question
Expert Answered
Updated 11/15/2013 7:06:10 AM
1 Answer/Comment
A flat area on a mountain is known as a plateau.
Added 11/15/2013 7:06:10 AM
This answer has been confirmed as correct and helpful.
Confirmed by alfred123 [3/25/2014 12:25:11 PM]
_______ says the universe began as a point and expanded. User: _______ says the universe began as a point and expanded. User: A basic observation of a star is how bright it appears. This brightness is known as the star's A. absent magnitude. B. apparent magnitude. C. luminosity. D. absolute magnitude.
Question
Not Answered
Updated 8/17/2014 3:44:36 PM
2 Answers/Comments
The Big Bang theory says the universe began as a point and expanded.
Added 8/17/2014 3:44:22 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [8/17/2014 5:12:54 PM]
A basic observation of a star is how bright it appears. This brightness is known as the star's apparent magnitude.
Added 8/17/2014 3:44:35 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [8/17/2014 5:13:18 PM]
25,807,257 questions answered
Popular Conversations
Plot, character, and setting do not affect one another. True False ...
Weegy: Plot, character, and setting do not affect one another. FALSE. User: The words he said are considered ...
8/18/2017 8:46:59 AM| 0 Answers
15. Which of the following is not an authoritarian form of ...
Weegy: Direct democracy is not an authoritarian form of government.
8/18/2017 8:35:41 AM| 0 Answers
What name was given to Franklin Roosevelt's program for fighting the ...
Weegy: The Square Deal was the name given to Franklin Roosevelt's program for fighting the Great Depression.
8/14/2017 3:49:33 PM| 0 Answers
Weegy Stuff
S
Points 10 [Total 10] Ratings 1 Comments 0 Invitations 0 Offline
S
Points 4 [Total 4] Ratings 0 Comments 4 Invitations 0 Offline
S
Points 3 [Total 3] Ratings 0 Comments 3 Invitations 0 Offline
S
Points 2 [Total 3] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.