Wednesday
July 30, 2014

# Search: Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 x 109- L lake containing 5.0 x 10-3g of H2SO4 per liter?

Number of results: 67,632

chemistry
Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3). How much limestone in kilograms is required to completely neutralize a 5.8×109 L lake with a pH of 5.6? thanks
December 4, 2010 by amy

chemistry
Please help!... Lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in which limestone (CaCO3) is added to the acidified water. Write ionic and net ionic equations to show how limestone reacts with HNO3 and H2SO4 to ...
October 12, 2010 by Anonymous

Chemistry
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone how much limestone in kilograms would be required to completely neutralize a 5.2 x 10^7 -L lake containing 5.0 x 10^(-3) g of H2SO4 per liter.
May 2, 2011 by Jarred

chemistry
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone How much limestone in kilograms would be required to completely neutralize a lake containing of H2 per liter? 5.0 * 10-3 g SO4 5.2 *
July 21, 2011 by Anonymous

chemistry 101
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter?
July 8, 2011 by ABCD

Science
Why do lakes lying in granite basins tend to become acidified by acid rain more readily than lakes lying in limestone basins?
March 11, 2008 by Nancy

science
Is acid rain a homogeneous or heterogeneous mixture? If we mean that each drop of rain may not have the same amount of acid in it as the next drop, it must be heterogeneous. That would mean that each drop of rain absorbed different amounts of the appropriate oxide(s) forming ...
January 16, 2007 by Bobby

science
Are there any connections between evolution and environmental science-- if there is, what is it? Thanks! Weren't many lakes back in time very acid? I wonder if acid rain is favoring certain mutations in organisms? Will that affect evolution? I didn't quite understand what you'...
September 16, 2006 by Jin

Social Studies
Ships from the Great Lakes travel the St Lawrence river to what ocean? Answer these questions with true or false The five great lakes are large enough to be called inland seas False? The great lakes form north americas most important waterway true? The great lakes have only ...
November 12, 2012 by Jerald

Chemistry
The pH of healthy lakes is around 6.0. Due to acid rain, the pH of our lakes & rivers is decreasing. At low pH levels, producers such as phytoplankton cannot thrive. Decreased plankton can cause consumer populations to crash. The end result is a lake devoid of life. If the pH ...
December 16, 2007 by Lucy

ap chem
Acid rain has a pH value of 3.0, whereas normal rain has a pH value of 5.6. Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
February 14, 2011 by Anonymous

ap chemistry
Acid rain has a pH value of 3.0, whereas normal rain has a pH value of 5.6. Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
February 28, 2013 by cheri

PHYSICS
What causes acid rain? Can you think of a way acid rain could be produced even without industrial pollution? [Hint: Plants produce carbon dioxide, Co2, which reacts with rainwater to produce bicarbonate ions, HCO 3-.] Give one reaction that produces acid rain using industrial ...
November 30, 2012 by Aaa

social studies
How many lakes does the National Trust in England have? It's hard to find the information about that on the Internet. About 136 lakes or 500 lakes? Would you let me know that or the website? Thank you.
October 18, 2012 by rfvv

Social studies
Posted by rfvv on Thursday, October 18, 2012 at 9:03pm. How many lakes does the National Trust in England have? It's hard to find the information about that on the Internet. About 136 lakes or 500 lakes? Would you let me know that or the website? Thank you. •social studies - ...
October 19, 2012 by rfvv

Geography
This is a question about acid rain, in Canada in particular. Acid rain is an issue in eastern Canada, but not as prevalent in western Canada, due to the fact that the east is more heavily populated and industrialized, so... If acid rain fell evenly across Canada, why would ...
January 24, 2011 by cel

Which of the following sets of terms is associated with air pollution caused by burning fossil fuels 1.acid rain, ozone hole, skin cancer 2.methane, smog, carbon dioxide 3.sulfur dioxide, smog, chlorofluorocarbons 4.carbon dioxide, smog, acid rain MY ANSWER: Is the answer: 4....
January 18, 2014 by Katalina

chemistry
. A student wants to design an experiment to demonstrate the effects of acid rain on plant life. Which of the following substances should be combined with water to best simulate acid rain? A. Vinegar B. Table salt C. Baking soda D. Ammonia
July 13, 2014 by Dulce

Acid/base chemistry
if the pH of rain water is 5.6 on average what is the concentration of carbonic acid in rain water?
April 26, 2012 by Anonymous

Chemistry
Can someone check my answers? Thanks. 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all of you collect your samples on the same day and do the alkalinity tests within 24 hours? Acid rain on another day ...
March 21, 2007 by Joe

Science
Why is rain normally acidic, what creates acid rain? Also What is SAV? THANKS!!
May 24, 2010 by smiley face

Chemistry check
Can someone check my answers? Thanks. 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all of you collect your samples on the same day and do the alkalinity tests within 24 hours? Acid rain on another day ...
March 21, 2007 by Joe

Chemistry
Can anyone give me 5 facts everyone should know about acid rain and 5 facts scientists could tell you about acid rain?
October 3, 2007 by Anonymous

science
When automobiles burn gasoline, they release many pollutants including sulfur oxides into the air. The release of sulfur oxides is a chief cause of acid rain. Which of the following is a consequence to the natural environment due to acid rain?
August 29, 2012 by Anonymous

bio101
Carbon dioxide forms a weak acid called carbonic acid when dissolved in water. How can this be a significant factor in the formation of acid rain?
August 6, 2013 by merry

Changes in Matter
Which of the following geological changes are physical changes and which are chemical changes? a)formation of a limestone cave b)creation of a canyon by a river c)wearing of rocks by wave action d)destruction of lakes by acid rain e)heaving of the ground by ice formation a = ...
March 22, 2010 by Sara

Asia - JAPAN- Pollution
Hi, I have got a question about Japan's geography; In which ways has the actions of man ( people) affected Japans land? I mean like acíd rain, carbon dioxide etc.( negative effects on the country) I've been googling it, but I can´t find anything. Bea
May 24, 2010 by Beatrice

check
the term reforestation refers to planting new trees: A)where forestlands have been stripped and cleared. B)in old growth forests that have never beeen cut. C)in public lands that have been reclaimed for forsetry d)during the winter months when the rain are light my choose a
August 21, 2009 by henry

biology
Research the sea lamprey, an exotic species that has had a great impact on the fish communities of the Great Lakes. a) Describe the niche of the sea lamprey. b) Find out how sea lampreys may have entered the Great Lakes ecosystem. c) Identify the interspecific interactions of ...
August 11, 2010 by peter

Chem. Again
28: You have a glass of pure water. Are chemical reactions occurring in the water? If so, what are they? If not, explain why not. 29: While investigating the effects of acid rain in your area, you discover a lake that is surprisingly resistant to changes in pH caused by acid ...
May 12, 2009 by Rachel

College Chem
if the pH of rain water is 5.6 on average what is the concentration of carbonic acid in rain water?
April 26, 2012 by Anonymous

Chemsitry
Hello. I'm not n=sure about these answers so i was wondering if someone could check them out? 27, A: Which is a stronger acid - sulfuric or carbonic acid? (Answer: Sulfuric acid.) 27, B: Imagine you have two glasses. One contains a solution of carbonic acid. The other contains...
May 11, 2009 by CRCAWF

Chemistry
Calculate the amount of H2SO4 needed to make 1.00L of acid rain with a PH equal to the average PH of rain in Maine (ph = 5.0). Concentration of H2SO4 to use = .00100M I am absolutely confused...please help
January 23, 2013 by Henry

Check out my anwser for this science question plez
The chemicals make rain acidic how does it happen? Is it this it? The chemicals from the black smoke gets mixed up in the water cycle and creates acid rain.
October 21, 2007 by Vero

Chemistry
Which of the following is an example of a physical change ? A) Zinc metal is added to hydrochloric acid and a gas is released. B) Concentrated hydrochloric acid is diluted with water. C) Acid rain causes the decomposition of a marble statue. D) Hydrochloric acid is neutralized...
December 30, 2010 by Anonymous

Chemistry
Calculate the acid concentration of a sample of acid rain with a pH of 4.20
August 4, 2011 by Domenic

Chemistry
Calculate the acid concentration of a sample of acid rain with a pH of 4.20
August 4, 2011 by Domenic

Science
Calculate the acid concentration of a sample of acid rain with a pH of 4.20
August 4, 2011 by Domenic

chemistry
calculate the number of g fes04 that will be oxidized by 24ml of a 250N Kmn04 in a solution acidified with sulfuric acid. The unbalanced equation for the reaction. The answer 0.912g Who helps
February 9, 2013 by Fai

math
break it down into cases at most one day of rain in 3 days to me means we could have: norain norain norain ----> (1/3)^3 = 1/27 rain norain norain -------> 2/3(1/3^2 = 2/27 norain rain norain -------> same as above = 2/27 norain norain rain -------> same as above...
May 17, 2007 by Reiny

Science
For million of years, wind and rain have worn down the earth. The land is not totally level now because ____. a. other forces keep building up the land b. wind and rain cannot erode solid rock c. for most of those years, wind and rain were scarce d. wind and rain pile dirt ...
February 24, 2011 by Emily

English
1. Can you give me a rain check? 2. Can I take a rain check? 3. Can I have a frain check? 4. Can I get a rain check? (Are they all grammatical and the same? Which expression is commonly used?)
November 20, 2012 by rfvv

AP CHEMISTRY
Please could you help me predict the products of the following reactions: ( I cant figure them out) THANX in advance! 1) CaO powder is added to distilled water. 2) Acetic acid solution is added to solid sodium hydrogen carbonate. 3) Potassium permanganate solution is added to ...
May 27, 2012 by DAN

chemistry
1)you have a glass of pure water. are chemical reactions occurring in the water ?if so, what are they?if not explain why not. 2)while investigation the effects of acid rain in your area, you discover a lake that is surprisingly resistant to changes in pH caused by acid rain. ...
August 23, 2011 by sam

Physics
During a severe storm in Palm Beach, Fla., on January 2, 1999, 31 inches of rain fell in a period of nine hours. Assuming that the raindrops hit the ground with a speed of 14 m/s, estimate the average upward force exerted by one square meter of ground to stop the falling ...
November 17, 2010 by Sharon

Chemistry
Marble is almost pure CaCO3. Acid rain has a devastating effect on marble statuary left outdoors. Assume that the reaction which occurs as: CaCO3(s)+ H+(aq)->Ca2+(aq) + HCO3(aq) Neglecting all other competing, equilibria, Calculate: 1. K for the reaction 2. molar solubility...
April 10, 2010 by Judy

Statistics
Emissions of sulfur dioxide by industry set off chemical changes in the atmosphere that result in "acid rain." The acidity of liquids is measured by pH on a scale of 0 to 14. Distilled water has pH 7.0, and lower pH values indicate acidity. Normal rain is somewhat acidic, so ...
September 10, 2013 by moose

Meterology
What does it mean when a Meterologist calls for 50% chance of rain? That it can rain but it might not. So their not sure it's in the middle! Sanca...dead wrong. Actually, 50% chance of rain means that it will rain 5 out of 10 times a forecast of 50% is given. in other words, ...
May 16, 2007 by Mike

biology
a) Describe the niche of the sea lamprey. b) Find out how sea lampreys may have entered the Great Lakes ecosystem. c) Identify the interspecific interactions of the sea lamprey and its effects on the Great Lakes.
August 12, 2010 by christine

last science check
6. Which of the following pairs of words correctly completes the blanks in the sentence below? Depletion of_____ has been halted by a ban on the manufacturing of____ .. the ozone layer, chlorofluorocarbons. acid rain, carbon dioxide. fossil fuels, gasoline. global warming, ...
May 26, 2014 by me

Chemistry
Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. Write a balanced chemical equation for this reaction. Express your answer as a chemical equation. Identify all of...
October 15, 2010 by Lisa

science
What is a form of pollution triggered by a formation of a gas and can have dramatic effects? fog pesticides acid rain oil spill
December 12, 2013 by Aaron

Geography
Any good websites on the Great Lakes or Lake Michigan in parcticular? Since this is not my area of expertise, I searched Google under the key words "Lake Michigan" to get these possible sources: http://www.great-lakes.net/lakes/michigan.html http://en.wikipedia.org/wiki/...
October 10, 2006 by Gina

statistics
the average amount of rain per year in Greenville is 49 inches. the standard deviation is 8 inches. find the probability that nest year greeville will receive the following amount of rainfall. assume the variable is normally distributed. a) At most 55 inches of rain b) at ...
May 16, 2011 by Michelle

Chemistry
What aldehydes and primary alcohols might be oxidized to yield the following carboxylic acids: 1)p-methylhexanoic acid 2)pentanoic acid #1 should have been p-methylcyclohexanoic acid (p is para). My homework has the structure drawn out and I named it wrong. Sorry. It has a CH3...
March 20, 2010 by Jamie

physical science
During a rain storm, rain comes straight down with a velocity -15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is .060 kg every second. Assuming that the rain cones to rest upon stiking the car (Vf =0m/s), fund the ...
July 14, 2011 by wendell

Chemistry - help
This is a test for chlorides in NaOH sample. 1.0g of NaOH was dissolved in 5ml of distilled water, acidified with 4ml of dilute nitric acid and diluted to 15ml with distilled water. This mixture was poured into a test tube containing 1ml of AgNO3 solution. However, I obtained ...
September 21, 2010 by candy

scince
During a rain storm, rain comes straight down with velocity Vi =-15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is 0.060 kg every second. Assuming that the rain comes to rest upon strikingthe car ( Vf = 0 m/s), find the...
July 26, 2013 by trina

English
Can someone check this for me please. Report these spoken remarks to a freind, making the necessary changes. 1. I live it a. she....said that she loves it. 2. I am leaving in half an hour. a. He said that he's leaving in half an hour. 3. The rain has stopped. a. You.. said the...
March 23, 2009 by Mick c

chemistry
25.0 cm3 of an acidified solution containing Fe2+ ions was titrated against potassium manganate (VII) solution. 20.0cm3 of 0.050M potassium manganate (VII) was needed. Calculate the concentration of Fe2+ ions in the acidified solution.
March 8, 2011 by tam

chemistry 112
the formation of SO3 from so2 and o2 is an intermediate step in the manufacture of sulfuric acid, and it is also responsible for the acid rain phenomenon. the equilibrium constant Kp for the reaction is 0.13 at 830 degree celcius. in one experiment, 2.00 mol so2 and 2.00 mol ...

chemistry
In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced chemical equation for the reaction. (Type your answer using the format CH4 for CH4.)
February 2, 2012 by skyler

Chemistry
This is a limit test for chlorides. 1.0g of NaOH sample was dissolved in 5ml of deionized water, acidified with 4ml of concentrated nitric acid (65%) and diluted to 15ml with deionized water. (Test tube A) 10ml of 50ppm Standard NaCl solution was prepared. 5ml of water was ...
September 24, 2010 by candy

Chemistry
Stelco has been recently legislated to reduce total SO2 emissions from iron smelting operations. Select the most effective chemical reagent to desulfurize Stelco’s gas emissions as a strategy to minimize the environmental impact of acid rain in eastern Canada and why? CCl4, ...
November 18, 2007 by Raj

Chemistry
Is there an equation for acid rain? What is it?
October 4, 2007 by Anonymous

physics
What neutralizes acid rain?
January 29, 2014 by Gatorgirl

physics
What neutralizes acid rain?
January 29, 2014 by Gatorgirl

Biology
If water were not a polar molecule and could not form hydrogen bonds, how would this change the structure and density of ice? Why would change? How would this affect the organisms living in lakes and ponds? 1. It would be heavier than water and sink. 2. If ice were on the ...
November 14, 2006 by Abraham

How many more states are there that border the Great Lakes than there are Great Lakes? List each state and each Great Lake.
October 29, 2009 by Thanh

science (check plz)
7. Which of the following is a form of pollution triggered by formation of a gas, and can have dramatic effects on the health of a coral reef ecosystem? fog pesticides acid rain** oil spill
May 26, 2014 by me

Chemistry URGENT/DR BOB
Hello Dr. Bob I have been sick and missed some of my classes and my classmates want to act stupid. So if its not too much trouble could you just make sure that I am on the right track and let me know what is wrong and how I can fix them. I have a lot of assignments that I have...
April 23, 2014 by jazz

Physics
#4. Rain is falling at a velocity of 10,0 m/s at an angle of 30* towards the west. At what velocity and direction does a marathon runner have to go in order for him to get rain on his head?
November 18, 2011 by Jim

Physics
#4. Rain is falling at a velocity of 10,0 m/s at an angle of 30* towards the west. At what velocity and direction does a marathon runner have to go in order for him to get rain on his head?
November 19, 2011 by Jim

Science
what is the word equation for the formation of acid rain?
October 9, 2008 by Dee

chemistry
acid rain --how does it cause environmental and health problems
September 13, 2013 by kathy

Algebra 2
Can someone please check these answers for me?? I'm pretty sure most of them are right, except for maybe the second T/F question... 1) T or F. The domain of y=ln x is equal to the range of y=e (superscript x). True 2) T or F. ln(3x x y to the 3rd power) = (ln x 3) x (ln x) x (...
May 23, 2007 by Lindsay

physics
A girl riding a bicycle with a speed of 5m/s towards northdirection , observes rain falling vertically down. If she increases her speed to 10m/s , rain appears to meet her at 45degree tp the vertical .what is the speed of rain ?
August 28, 2012 by manish dagar

science-plz help this is so urgent!
8. a) after the oceans, where is the next largest reserve of water found? b) does this reserve contain salt water or fresh water? Fresh water lakes on the surface. Glaciers and icecaps account for a greater amount of water than lakes swamps and rivers if they were melted. I ...
June 7, 2007 by jen

Biology
how does acid rain relate to photosynthesis and the carbon cycle?
November 18, 2007 by ug

bio 1
What factors apart from acid rain could be killing trees?
June 17, 2011 by kozy

English
1. I gave it up because of the rain. 2. I gave it up because of rain. (Which one is correct? Do we have to use 'the' or not. )
June 4, 2012 by rfvv

Chemistry...Help?
I've been trying to understand these two questions and I've re-read my textbook a dozen times but I still get confused. 27, A: Which is a stronger acid - sulfuric or carbonic acid? (Answer: Sulfuric acid.) 27, B: Imagine you have two glasses. One contains a solution of ...
May 12, 2009 by Rachel

Algebra 2
Can someone please explain how to do this problem? The probability that it will rain today is 65%, and the probability that it will rain tomorrow is 25%. The probability that it will rain both days is 35%. What is the probability that it will rain today or tomorrow?
February 4, 2014 by Jane

Geography (Ms. Sue)
1). What are some of the important resources of the rain forest? A: Some of the significant resources of the rain forest include timber and various types of plants which can be used to concoct medicine. 2). What are some of the costs of the destruction of the rain forest? A: ...
September 27, 2013 by Anonymous

Socials
explain what the term rain-shadow means? The term rain-shadow refers to an area that gets a very small amount of rain situated on the leeward slope of mountains.
January 5, 2010 by Sara

Gen chemistry
What is the hydronium ion concentration of an acid rain sample that has a pH of 3.45?
April 20, 2010 by asasa

algebra
Calculate the pH of a sample of acid rain that has the H30t concentration of 3.0x4-5m
June 25, 2011 by Michelle

A 0.2mol/L solution of KMnO4 has been added to 10 ml of 0.5mol/L acidified FeSO4. write the balance equation of the reacttion then calculate the volume of the oxidizing solution that should be added to oxidize all the Fe^2+ ions. please help and thank you!!

chemistry
The question asks, "Butanoic acid has a partition coeff of 3.0 when distributed b/t water and benzene. Find the formal concentration of butanoic acid in each phase when 100 mL of 0.10 M aqueous butanoic acid is extracted with 25 mL of benzene at pH 10.00." I know that the ...
November 15, 2009 by Anonymous

Phenol/Nitirc Acid Reaction
Is it possible to illustrate the reaction mechanism for phenol with nitric acid? no well thank you, you have been most helpful
February 21, 2007 by Rob

statistics
it has been reported that 40% of all internet users have been attacked by viruses. If 20 people are randomly surveyed, find the following probabilities: a. At least 3 have been attacked b. No more than 5 have been attacked c. less than 15 have been attacked
March 16, 2012 by Jane

biology
For this assignment you will be using the course companion Web site, MasteringBiology. View and complete the MP3 tutorial: The Process of Science. and “How Does Acid Precipitation Affect Trees?” After completing the activity, develop two alternative hypotheses and experiments ...
February 15, 2012 by sharday

Chemistry (3rd time I've posted this)
Can someone check my answers? I've posted this a couple times and no one has responded. Is no one responding because they're all right or what? 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all of you ...
March 21, 2007 by Joe

Science
The area around the Great Lakes Was once covered by thick sheets of ice. Use the principle of isostasy to explain how the melting of these ice sheets has affected the land around the lakes.
March 19, 2009 by Angie

earth
the area around the great lakes was once covered by thick sheets of ice. Use the principal of isostasy to explain how the melting of these ice sheets has effected the land around the lakes?
February 23, 2010 by matt

English
I left out these sentences. Thank you. 1) I hope the weather will be nice/good. I hope to have luck with the weather. If there is heavy rain, I'll have to wear walking boots. I also have a wind breaker in my rucksack in case it will rain. 2) All the boys and girls who will ...
March 14, 2012 by Matthew

Math
Showers on Monday morning produced 0.5 inches of rain by noon. By p.m. a total of 2 inches of rain had fallen. How many inches of rain fell between noon and 6 p.m.? I think it's 1.5
December 6, 2011 by Jaycee

chem
The following equation describes the oxidation of an acidified solution of sodium oxalate (Na2C2O4) by potassium permanganate(KMnO4) 5C2O4 + 2MnO4 + 16H2SO4 --> 10CO2 + 2Mn + 16HSO4 + 8H20 What volume of 0.127M sodium oxalate in sulphuric acid will react with 3.57g of ...
April 7, 2009 by tomi

language arts Ms. Sue please last question
5. Identify the verb in the following sentence. As of next Saturday, Adam will have been gone for ten days. (1 point) will will have will have been will have been gone is the answer "will have been gone"?
April 17, 2013 by Delilah

Math.
43.The forecast predicted that Dallas County would receive eight inches of rain over the next two days. On Thursday Dallas County received 3.4 inches of rain. On Friday it rained twice with Dallas County Reciving 1.2 inches of rain each time. What was the difference in the ...
April 17, 2013 by Jerald

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members