Which industrial processes can contribute significantly to acid deposition if prevention methods are not used?I. coal-fired power stationsIII. smelting of sulfide oresIII. oil-fired power stationsI, II and IIII and II onlyI and III onlyII and III only
Answers
The industrial processes that can contribute significantly to acid deposition if prevention methods are not used are coal-fired power stations, smelting of sulfide ores, and oil-fired power stations. These processes emit large amounts of sulfur dioxide (SO2) and nitrogen oxides (NOx), which can react with water vapor in the atmosphere to form sulfuric acid (H2SO4) and nitric acid (HNO3). These acids can then fall to the ground as acid rain, snow, or dry deposition, causing harm to both the environment and human health.
Coal-fired power stations are one of the largest sources of SO2 emissions. When coal is burned, sulfur compounds are released into the atmosphere, which can then react with oxygen and water vapor to form sulfuric acid. This acid can cause damage to buildings, statues, and monuments, and can harm aquatic life by increasing the acidity of lakes and rivers.
The smelting of sulfide ores is another major source of SO2 emissions. Sulfide ores contain sulfur compounds, which are released when the ores are heated to extract the metal. These emissions can contribute to acid deposition and also release heavy metals, which can contaminate soil and water.
Oil-fired power stations also emit SO2 and NOx, which can contribute to acid deposition. Although oil contains less sulfur than coal, the process of refining oil produces large amounts of sulfur compounds.
Overall, prevention methods such as using cleaner fuels, installing scrubbers to remove pollutants from emissions, and reducing energy consumption can help to minimize the impact of these industrial processes on acid deposition.
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Related Questions
A forecast indicates a dew point temperature equal to the air temperature. what does this information imply?
Answers
Option B. Relative humidity is 100%, and it may rain. A forecast indicates a dew point temperature equal to the air temperature.
The dew point temperature is beneficial to expecting overnight low temperature and temperature adjustments during precipitation. A huge distinction between the dew point and air temperature indicates low humidity. If the dew factor is equal to the air temperature the humidity is a hundred%.
While the dew factor equals the air temperature, the air is saturated and the relative humidity is %one hundred. The dew factor temperature tells us nothing approximately what number of water molecules are in the environment or how near the air is to a relative humidity of 100%.
Relative humidity (RH) is a percentage ratio of the quantity of atmospheric moisture gift to the quantity that could be present if the air becomes saturated.
If the air is completely saturated at a particular level, the dewpoint temperature is similar to the real air temperature, and the relative humidity is a hundred%.
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Disclaimer:- your question is incomplete, please see below for the comlete question.
A forecast indicates a dew point temperature equal to the air temperature. What does this information imply?
A. Relative humidity is 0%, and there is no chance of rain.
B. Relative humidity is 100%, and it may rain.
C. Relative humidity is 0%, and it may rain.
D. Relative humidity is 100%, and there is no chance of rain.
18. In order to make one molecule of glucose, how many carbon dioxide, ATPs, and NADPH are required?
Answers
To produce one molecule of glucose, 6 molecules of carbon dioxide (\(CO_{2}\)), 18 molecules of adenosine triphosphate (ATP), and 12 molecules of nicotinamide adenine dinucleotide phosphate (NADPH) are required.
Glucose, a six-carbon sugar, is synthesized through the process of photosynthesis in plants. It involves the Calvin cycle, which incorporates carbon dioxide, ATP, and NADPH to produce glucose. For each molecule of glucose formed, 6 molecules of carbon dioxide are required.
The energy needed for glucose synthesis is provided by ATP, which is an energy-rich molecule. In the Calvin cycle, the synthesis of one glucose molecule requires 18 molecules of ATP.
NADPH, a coenzyme involved in energy transfer reactions, is required for the reduction of carbon dioxide during the Calvin cycle. In the process, 12 molecules of NADPH are utilized to produce one molecule of glucose. These components play crucial roles in capturing and storing energy, as well as providing carbon atoms for the formation of glucose, which serves as a vital energy source for organisms.
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What is the valency of argon?
Answers
Answer:
0 electrons in outermost shell as it is a noble gas
Answer:
the valency of argon is 0
since it has complete valence shells , so it doesn't react with any other element
Why are nuclear power plants controversial
Answers
Chromium-48 decays. After 6 half-lives, what fraction of the original nuclei
would remain?
Answers
Answer:
The fraction of original nuclei remaining is 1.5625
Explanation:
describe the stabilisation and destabilisation of octahedral complexes
Answers
The stabilization and destabilization of octahedral complexes refer to the changes in the energy levels of d-orbitals in transition metal complexes, which affects their properties and reactivity.
In octahedral complexes, the d-orbitals of the central metal ion split into two sets of energy levels due to the presence of ligands. This is known as crystal field splitting. The energy gap between these sets is determined by the strength of the ligand field, which is related to the nature of the ligands and the geometry of the complex.
Stabilization occurs when the ligand field is strong, causing a large energy gap between the two sets of orbitals (t2g and eg). This leads to lower energy and more stable complexes. Examples of strong ligands that cause stabilization include CN-, CO, and NO2-.
Destabilization, on the other hand, occurs when the ligand field is weak, causing a smaller energy gap between the sets of orbitals. This leads to higher energy and less stable complexes. Examples of weak ligands that cause destabilization include I-, Br-, and Cl-.
In summary, the stabilization and destabilization of octahedral complexes are determined by the ligand field strength and the resulting energy gap between the d-orbitals, affecting the properties and reactivity of the complexes.
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Which of these is an example of a physical change?
à rusting metal
& browning fruit
burning wood
melting ice
Answers
Answer:
The correct answer is Water boiling. Examples of physical change are freezing of water, boiling of water, melting of wax, etc. Examples of chemical change are digestion of food, burning of paper, rusting of metal, silver tarnishing, etc.
1. A student mixes two liquids together and notices that a white solid has formed
at the bottom of the container.
What can the student conclude?
1. A precipitate has formed.
2. A physical change has occurred.
3. A chemical reaction has occurred.
4. A chemical change has occurred.
Answers
Answer:
3. A chemical reaction has occured
A student mixes two liquids together and notices that a white solid has formed at the bottom of the container which means precipitate has formed.
What is precipitation reaction ?
Precipitation is the process of creating an insoluble compound in chemistry by either reacting two salts or altering the temperature to alter the solubility of the compound. Additionally, the solid that results from a precipitation reaction is referred to as "precipitate."Precipitation can be a sign that a chemical reaction has taken place, but it can also happen if the concentration of a solute is higher than its solubility. The process of small, insoluble particles aggregating together or forming an interface with a surface, such as the container wall or a seed crystal, is known as nucleation, and it occurs before precipitation.Precipitation is the process of transforming a liquid into a solid. A precipitant is a chemical that gives rise to a solid in a liquid solution. The term "precipitate" refers to the resulting solid. In the event that the molecule size of the insoluble compound is tiny or there is deficient gravity to attract the strong to the lower part of the compartment, the hasten might be equitably dispersed all through the fluid, shaping a suspension. Any process that separates the precipitate from the solution's liquid portion, known as the supernatant, is referred to as sedimentation. Centrifugation is a common technique for sedimentation. A "flower" is a powder that forms after the precipitate has been recovered.
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The liquids having same boiling point cannot be seperated from its mixture by distillation, why?
Answers
Answer:
Explanation:
They cannot be separated by distillation since it depends on a liquid's ability to boil at a certain temperature. If you have two liquids with the same boiling temperatures, the proportion of each in the vapor phase will be about equal, making it impossible to separate them. Although they presumably do not have the same freezing point, you might use a different method like chromatography or work with their freezing points instead. You could then selectively crystallize one component while leaving the other as a pure liquid.
____________
Definitions:
Distillation:
#1: The volatilization or evaporation and subsequent condensation of a liquid, as when water is boiled in a retort and then the steam is condensed in a cool receiver.
Answer:
Because different compounds often have different boiling points, the components often separate from a mixture when the mixture is distilled. The boiling point is the temperature at which the vapor pressure of the liquid phase of a compound equals the external pressure acting on the surface of the liquid.
Explanation:
a male patient’s urea nitrogen value is 15 mg/dl and his creatinine is 5 mg/dl. if this patient is not undergoing dialysis, what conclusion would you draw from these results?
Answers
If the patient is not undergoing dialysis, the conclusion drawn from the results given is that one of the values is in error.
The patient's creatine is approximately five times the upper normal range (0.6-1.2 mg/dL), whereas the patient's urea nitrogen is within the normal range (6-20 mg/dL). When there is kidney damage, significant increases in urea nitrogen nearly usually go hand in hand with significant increases in creatinine.
The ratio of urea to creatinine, which is typically 10:1 to 20:1, is extremely low in our case at 3:1. As a result, either the creatinine or urea nitrogen measurement in this instance is wrong. Repeating both tests is necessary.
Dialysis is a method used to purify or filter your blood through the used of a needle and a dialyzer. It is used when your kidney does not work properly or are damaged.
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Astronomers observed that the orbit of Uranus was not uniform. Therefore, they hypothesized the existence of another planet. This is an example of scientific investigation being led by _____.
Inductive Reasoning
Deductive Reasoning
Answers
Answer:
This is an example of scientific investigation being led by inductive reasoning.
Explanation:
Inductive reasoning is the type of reasoning used to make broad generalizations from specific observations. We have certain pieces of data and make conclusions based on them. In the given example, astronomers have made a specific observation - that the orbit of Uranus isn't uniform. Based on that fact, they made a broader conclusion - that there is another planet. There are probably more things that could lead to the same conclusion.
The opposite is deductive reasoning, where a person starts off with a broad generalization and tries to make specific, logical conclusions based on it.
Which of the following best describes the main function of the digestive system?
Responses
A To provide an external boundary for the bodyTo provide an external boundary for the body
B To transport oxygen to body cells while removing wasteTo transport oxygen to body cells while removing waste
C To send and receive chemical messagesTo send and receive chemical messages
D To break down and absorb food
Answers
The statement that best describes the main function of the digestive system is to break down and absorb food, option (D) is correct.
When we eat, our food must be broken down into smaller molecules so that our bodies can absorb the nutrients we need for energy, growth, and repair. The digestive system is responsible for this process, which begins in the mouth with chewing and continues through the esophagus, stomach, small intestine, and large intestine.
In addition to breaking down food, the digestive system also plays a role in eliminating waste products from the body. The large intestine absorbs water and electrolytes from undigested food, while the rectum and anus eliminate solid waste from the body, option (D) is correct.
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The complete question is:
Which of the following best describes the main function of the digestive system?
A To provide an external boundary for the body
B To transport oxygen to body cells while removing waste
C To send and receive chemical messages
D To break down and absorb food
Polymerization reactions in which polysaccharides are synthesized from monosaccharides:
A. require the formation of phosphodiester bonds between the amino acids
B. occur in the nucleus of the cell
C. are hydrolysis reactions
D. depend upon van der Waals forces to hold the amino acids together
E. result in the formation of water
Answers
Polymerization reactions in which polysaccharides are synthesized from monosaccharides, Option E: result in the formation of water.
Polymerization reaction involves joining of monosaccharides together with the linkage of glycosidic bonds. The process of combining of these monosaccharides involve formation of water molecule as a byproduct of the process. This is called condensation reaction. Hence, option E is the correct choice.
Polymerization is the process of producing polymers. These polymers are then processed to make a variety of plastic products. During polymerization, smaller molecules, or monomers, are chemically linked to create larger molecules, or macromolecules. Polysaccharides are produced when a glycol donor and a glycol acceptor undergo repeated polymerization reactions.
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How do I use this to find my answers
Answers
Answer:3835
Explanation: if the answer would be ABCD then it would be 3835.
2+1=A so A=3
A+5=B 3+5=B so B=8
1+C=3 3-1=2 so C=2
2+3=D so D=5
3825
since an element always has a different number of protons, the mass can indicate how many neutrons are in an isotope
Answers
Answer:
The number of protons is equal to the mass number of the element. Since an element always has a different number of protons, the mass can indicate how many neutrons are in an isotope. Atoms of the same element can have a different number of neutrons. There are three naturally-occurring isotopes of carbon.
Explanation:
The molar mass of a gas is 56 grams. What is its density at STP in grams per liter?
Answers
Answer:
d = 2.5 g/L
Explanation:
Given data:
Molar mass of gas = 56 g/mol
Density of gas = ?
Temperature = 273.15 K
Pressure = 1 atm
Solution:
Formula:
d = PM/RT
d = 1 atm × 56 g/mol / 0.0821 atm.L/mol.K ×273.15 K
d = 56 atm g/mol./ 22.42 atm.L/mol
d = 2.5 g/L
analysis shows that there are 2.50 moles of h2, 1.35 ✕ 10-5 mole of s2, and 8.70 moles of h2s present in a 12.0 l flask. calculate the equilibrium constant kc for the reaction.
Answers
The Kc of the reaction from the data that we have in the question is obtained as 221.
What is the Kc?Kc is the equilibrium constant for a chemical reaction in terms of molar concentrations. It is defined as the ratio of the product of the molar concentrations of the products raised to their stoichiometric coefficients
We know that;
Initial concentration of S2 = 1.35 * 10^-5 mole/12 L = 1.125 * 10^-5 M
Initial concentration of H2 = 2.5 moles/12 L = 0.21 M
Concentration of H2S at equilibrium = 8.70 moles/12 L = 0.725 M
Kc = (0.725)^2/(1.125 * 10^-5) (0.21)
= 0.53/2.4 * 10^-6
Kc = 221
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A graph of potential energy versus internuclear distance for two Cl atoms is given below. On the same graph, carefully sketch a curve that corresponds to potential energy versus internuclear distance for two Br atoms.
Answers
Answer:
Explanation:
The sketch of the curve for two Br atoms can be seen in the image attached below. From the image below, we can deduce the following:
On the periodic table, the Bromine (Br) atom is the fourth member in the halogen family group. The atomic size increases from top to bottom down the group, thus Br atom posses a larger atomic size than Cl atom. As a result of that, the bond length formation between the two Br atoms will be larger compared to that of the two Cl atoms.
Calculate the mass of O in 4.36 g of Cl2O7?A) 30.5 g O B) 48.8 g O C) 11.2 g O D) 69.8 g O E) 2.67 g O
Answers
We can use the molar mass to convert the given mass of Cl₂O₇to moles:
moles of Cl₂O₇ = 4.36 g / 238.90 g/mol = 0.01824 mol
The subscript 7 in the formula of Cl₂O₇ tells us that there are 7 oxygen atoms in one molecule of Cl₂O₇. Therefore, the number of oxygen atoms in 0.01824 mol of Cl₂O₇ is:
0.01824 mol x 7 = 0.1277 mol
Finally, we can convert the number of moles of O to grams of O using the molar mass of O:
mass of O = 0.1277 mol x 16.00 g/mol = 2.04 g
Therefore, the mass of O in 4.36 g of Cl2O7 is 2.04 g.
Answer: E) 2.67 g O (Note: This answer is not among the options given, and it appears that there may be a typo in option A.)
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Using the following balanced equation, 2 moles of C2H6 will produce how many total moles of products?
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
a. 2
b. 10
c. 4
d. 6
Answers
Combustion reaction of ethane gas gives 4 moles of carbon dioxide and 6 moles of water. Thus, total number of moles of products is 10.
What is combustion?Combustion is the reaction of compounds with atmospheric oxygen to produce carbon dioxide and water. Hydrocarbon gases such as methane, ethane etc. easily burn in oxygen.
The balanced reaction of ethane gas C₂H₆ with oxygen is given here. 2 moles of ethane gas combines with 7 moles of oxygen gas forming 4 moles of carbon dioxide and 6 moles of water.
Here, all the elements of the reaction are balanced in each side and thus, the total number of moles of products is 4 + 6 = 10. Thus, option b is correct.
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Which SI units would we use in place of inches, pounds and quarts?
Answers
Answer:
45
Explanation:
yes i need help please
Temperature (°C)
At 80 °C, 100 g of potassium dichromate is added to 200 g of water. Which of the
following best describes this solution?
A The solution is saturated, more solute can be dissolved.
B The solution is saturated, no more solute can be dissolved.
C The solution is unsaturated, no more solute can be dissolved.
DThe solution is unsaturated, more solute can be dissolved.
Answers
Is soap necessary to remove salt (NaCl) from your hands? Explain
Answers
No, soap isn't necessary to remove salt from hands.
SoapSoap is an amphipathic substance, that is, it has a polar part and a non-polar part.
In view of this, this substance is very necessary for cleaning hands when they are dirty with something nonpolar, such as oil, as it can bind to the dirt molecules and leave in the water.
In the case of salt, as it is not a non-polar substance, just water is enough to clean salt from your hands.
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Two samples of carbon come into contact. A heat transfer will occur between sample A and sample B. What must be true for heat to transfer from sample A to sample B
Answers
Help!!
Part A.
The diagram below shows four positions in Earth’s orbit around the Sun.
Which season is the Northern Hemisphere experiencing at Position C?
A. Fall
B. Winter
C. Summer
D. Spring
Part B.
Which of the following BEST supports your answer to Part A?
A. The Northern Hemisphere is experiencing nighttime at Position C.
B. The Northern Hemisphere is tilted away from the Sun at Position C.
C. The Northern Hemisphere is receiving direct sunlight at Position C.
D. The Earth is at its greatest distance from the Sun at Position C.
Answers
At Location C, nightfall is experienced by the Northern Hemisphere. At Location C, the Northern Hemisphere is inclined away from the Sun.
sunlight is slanted away from the sun when the Northern Hemisphere is?The Northern Hemisphere tilts away from the Sun at its greatest angle around December 21. We experience the least amount of daylight at this time of year, which is known as the northern winter solstice.
Which direction has longer evenings for the Northern Hemisphere?The Earth's axis is tilted most closely towards the sun twice a year during what are known as the solstices. The longest day occurs in the hemisphere that is slanted most towards our star, whereas the longest night occurs in the hemisphere that is tilted away from the sun.
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What is the boiling point of a solution of 0.250g of glycerol, C3H8O3, in 40g of H2O? Glycerol is a molecular compound, i = 1
Answers
Explanation
Given:
mass of glycol = 0.250g
mass of solvent (water) = 40g = 0.04 Kg
i = 1
Required: The boiling point of the solution
Solution
\(\Delta T\text{ = Kbm}\)where Kb is the boiling point elevation constant
m is the molal concentration (molality) of all species
Step 1: Find the moles of glycerol
n = m/M
n = 0.250g/92,09382 g/mol
n = 2.71x10^-3 mol
Step 2: Find the molality
molality (m) = moles of solute/Kg of solvent
molality = 2.71x10^-3/0.04Kg
molality = 0.068 m
Step 3: Find the change in temperature
\(\Delta T\text{ = Kbm}\)Kb of water = 0.512 cm^-1
DT = 0.512 x 0.068
DT = 0.035 'C
Step 4: Find the boiling point
Boiling point of water = 100 'C
DT = 0.035 'C
New boiling point =100 + 0.035 = 100.035 'C
Answer
100.035 'C
Ight I just here’s my first one
Answers
Answer:
D
Explanation:
calculate the molar concentration of the solution formed when 8g of sodiumhydroxide is dissolved in 1dm³of water
Answers
Answer:
wow I can't believe you. your cheating I'm giving you a f on this. unless you tell me in front of the class that you cheated. I'm joking man but seriously I don't know
How many atoms of zinc react win 9.13 HNO3
Answers
Approximately 4.37 x 10²² atoms of zinc react with 9.13 g of nitric acid.
To answer this question, we need to first write a balanced chemical equation for the reaction between zinc and nitric acid.
From the balanced equation, we can see that 1 mole of zinc reacts with 2 moles of nitric acid. Therefore, we need to convert the given amount of nitric acid to moles, and then use the mole ratio from the balanced equation to determine the number of moles of zinc that react.
The molar mass of HNO₃ is
1 + 14 + 3(16) = 63 g/mol
According to the balanced equation, 1 mole of Zn reacts with 2 moles of HNO₃. Therefore, the number of moles of Zn that react is
0.145 mol HNO₃ x (1 mol Zn / 2 mol HNO₃) = 0.0725 mol Zn
Finally, we can use Avogadro's number to convert the number of moles of zinc to the number of atoms of zinc
0.0725 mol Zn x 6.022 x 10²³ atoms/mol
= 4.37 x 10²² atoms of zinc.
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A student is performing an experiment that requires measuring the boiling point of water. The accepted value for the boiling point of pure water is 100.0ºC. In the experiment, the student measured the boiling point to be 99.2ºC. What is the percent error in the student’s experiment?
Answers
percentage error in the student’s experiment is 0.8%
To find percentage error we use the formula I E -T I / I T I X100
so by the given data experimental value is 99.2ºC and actual theoretical value is 100.0ºC by putting the values we get 0.8% error.
To determine how closely the measured number resembles the real value, the percentage error is calculated. It is a component of a thorough error analysis. In most domains, % error is always reported as a positive figure, although in some, either a positive or negative value is acceptable.
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Answer: B
Explanation: :)