Lake that has been acidified by acid rain, a combination of nitric and sulfuric acid, can...
Lake that has been acidified by acid rain, a combination of nitric and sulfuric acid, can be neutralized by a process called liming, in which limestone (the basic calcium carbonate) is added to the water. (16 pts)
- Write the molecular equation for the neutralization of nitric acid with calcium carbonate.
- Write the molecular equation for the neutralization of sulfuric acid with calcium carbonate.
Homework Answers
liming is the process in which lime is treated with water to reduce its acidity.
limestone is calcium carbonate.
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Lake that has been acidified by acid rain, a combination
of nitric and sulfuric acid, can...
Lake that have been acidified by acid rain, a combination of nitric and sulfuric acid, can...
Lake that have been acidified by acid rain, a combination of nitric and sulfuric acid, can be neutralized by a process called liming, in which limestone (the basic calcium carbonate) is added to the water. What mass of limestone (in kg) would be required to completely neutralize a 5.8x106 m3 lake that contains 1.9x10-5 M H2SO4 and 8.8x10-6 M HNO3?
1. Lakes that have been acidified by acid rain can be neutralized by liming, the addition...
1. 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 5.7? Express your answer using one significant figure. 2. For each strong base solution, determine [OH−], [H3O+], pH, and pOH. 0.0412 M Ba(OH)2 3.9×10−4 M KOH 2.5×10−4 M Ca(OH)2
1. The pH of coffee is approximately 5.5. How many times greater is the (H') in Concom neutral water? Solution: 2....
1. The pH of coffee is approximately 5.5. How many times greater is the (H') in Concom neutral water? Solution: 2. 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 3.8 x 10°L lake with a pH of 4.5? Solution:
please help me with 5 and 6 6. Limestone can be considered to be essentially pure...
please help me with 5 and 6
6. Limestone can be considered to be essentially pure calcium carbonate. Acid rain can be considered to be sulfuric acid. When limestone buildings are eroded by acid rain the reaction can be summarized by the chemical equation below. CaCO+ HISO. Caso + CO. HO This reaction can be replicated in the lab by performing a titration a $6.93 g of Cacoa solid is added to 1.0 L of 0.235 mol/L sulfuric acid, how...
Acid Rain and Buffers In the Midwest, the natural geologic formations are typically made of limestone...
Acid Rain and Buffers In the Midwest, the natural geologic formations are typically made of limestone (CaCO3). The limestone in the Midwest provides the lakes and soils with a natural buffer. The questions below highlight the benefits of natural buffers, or buffers in general. Pure Water 7. What is the pH of 1.000L of pure water? 8. If you add strong acid to pure water, unbuffered water, what magnitude of pH change do you expect? (pH drops a little, a...
1- Continue each reaction and write the symbols of each. a. Nitric acid + zinc ------>...
1- Continue each reaction and write the symbols of each. a. Nitric acid + zinc ------> _ + - - b. Sulfuric acid + Magnesium --------- C. Nitric acid + sodium hydroxide -------- d. Phospheric acid + Magnesium hydroxide --------- e. Hydroiodic acid + Barium carbonate ------->_ f. Potassium hydroxide + Ammoium bromide ---------- 2. True or False. Correct the false statements. a. The substance in the burette is known as analyte. And b. The acid is always placed in...
2. Another component of acid rain is nitric acid, which forms when NO2, also a pollutant,...
2. Another component of acid rain is nitric acid, which forms when NO2, also a pollutant, reacts with oxygen and water according to the simplified equation: 4 NO2(8) 02(8) 2 H2O4 HNO (a?) The generation of the electricity used by a medium-sized home produces about 16 kg of NO2 per year. Assuming that there is adequate O2 and H20, what mass of HNO, in kg, can form from this amount of NO2 pollutant?
6. A lake in Upstate New York has been significantly affected by acid rain. The current...
6. A lake in Upstate New York has been significantly affected by acid rain. The current pH of the lake is 5.00 and organisms in the lake have been severely impacted by elevated aluminum concentrations. Assuming that the aluminum concentrations in the water are controlled by the following reactions: Al(OH),(s) = A +30H All + OH AIOH H, OH OH Kp = 3.0 x10 -34 Ky = 2.8 x108 Kw = 1.0 x10-14 a) Find the equilibrium concentration of (Al)...
4. Sodium carbonate (Na:CO) is available in a very pure form and can be used to...
4. Sodium carbonate (Na:CO) is available in a very pure form and can be used to accurately determine the concentration of an acid solution by titration. This process is called standardization. (15 points total) a. Write a balanced equation for the neutralization of the strong acid HCl by sodium carbonate. The products are a salt, carbon dioxide and water b. You perform a titration experiment and discover it takes 0.265 g of Na:CO, (molar mass 105.99 g/mol) to neutralize 28.3...
You have been given a sample rock (1.001 kilograms) that has Silver Carbonate throughout. The rock...
You have been given a sample rock (1.001 kilograms) that has Silver Carbonate throughout. The rock also has some inert material mixed in that will not affect your analysis. You decide that you want to retrieve the Silver (Ag) from the rock, so that is what we will do. 1) To make the Silver soluble, you need to dissolve it. To do this, you choose to use Nitric Acid. a. Write the balanced equation for the reaction of Silver Carbonate...
1. The pH of coffee is approximately 5.5. How many times greater is the (H') in Concom neutral water? Solution: 2. 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 3.8 x 10°L lake with a pH of 4.5? Solution:
please help me with 5 and 6
6. Limestone can be considered to be essentially pure calcium carbonate. Acid rain can be considered to be sulfuric acid. When limestone buildings are eroded by acid rain the reaction can be summarized by the chemical equation below. CaCO+ HISO. Caso + CO. HO This reaction can be replicated in the lab by performing a titration a $6.93 g of Cacoa solid is added to 1.0 L of 0.235 mol/L sulfuric acid, how...
Acid Rain and Buffers In the Midwest, the natural geologic formations are typically made of limestone (CaCO3). The limestone in the Midwest provides the lakes and soils with a natural buffer. The questions below highlight the benefits of natural buffers, or buffers in general. Pure Water 7. What is the pH of 1.000L of pure water? 8. If you add strong acid to pure water, unbuffered water, what magnitude of pH change do you expect? (pH drops a little, a...
1- Continue each reaction and write the symbols of each. a. Nitric acid + zinc ------> _ + - - b. Sulfuric acid + Magnesium --------- C. Nitric acid + sodium hydroxide -------- d. Phospheric acid + Magnesium hydroxide --------- e. Hydroiodic acid + Barium carbonate ------->_ f. Potassium hydroxide + Ammoium bromide ---------- 2. True or False. Correct the false statements. a. The substance in the burette is known as analyte. And b. The acid is always placed in...
2. Another component of acid rain is nitric acid, which forms when NO2, also a pollutant, reacts with oxygen and water according to the simplified equation: 4 NO2(8) 02(8) 2 H2O4 HNO (a?) The generation of the electricity used by a medium-sized home produces about 16 kg of NO2 per year. Assuming that there is adequate O2 and H20, what mass of HNO, in kg, can form from this amount of NO2 pollutant?
6. A lake in Upstate New York has been significantly affected by acid rain. The current pH of the lake is 5.00 and organisms in the lake have been severely impacted by elevated aluminum concentrations. Assuming that the aluminum concentrations in the water are controlled by the following reactions: Al(OH),(s) = A +30H All + OH AIOH H, OH OH Kp = 3.0 x10 -34 Ky = 2.8 x108 Kw = 1.0 x10-14 a) Find the equilibrium concentration of (Al)...
4. Sodium carbonate (Na:CO) is available in a very pure form and can be used to accurately determine the concentration of an acid solution by titration. This process is called standardization. (15 points total) a. Write a balanced equation for the neutralization of the strong acid HCl by sodium carbonate. The products are a salt, carbon dioxide and water b. You perform a titration experiment and discover it takes 0.265 g of Na:CO, (molar mass 105.99 g/mol) to neutralize 28.3...
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