Describe what the nucleus looks like.
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 4NO2(g)+O2(g)+2H2O(l) → 4HNO3(aq) The generation of the electricity used in a medium-sized home produces about 14 kg of NO2 per year. Part A Assuming that there is adequate O2 and H2O, what mass of HNO3, in kg, can form from this amount of NO2 pollutant?
The mass of HNO3 will be 17.8 kg.
Further Explanation:
More than one element bonded together is known as a compound.Sum of total mass of molecule measure in gram which constitutes the atom of molecule known as molar mass. Gram per mole is an S.I. unit of molar mass.Molarity of a solution define as the number of moles of solute per litre solution.
For the provided reaction:
[tex]4{\text{N}}{{\text{O}}_2}({\text{g}})+{{\text{O}}_2}({\text{g}})+2{\text{N}}{{\text{O}}_2}({\text{l}})\to4{\text{N}}{{\text{O}}_3}({\text{aq}})[/tex]
Oxygen and water found in abundance. So, the NO2 is known as a limiting reagent as it is responsible for limiting the product formation. The moles of NO2is calculated with the help of the formula:
[tex]\begin{gathered}{\text{Number of moles=}}\frac{{{\text{given mass}}}}{{{\text{molar mass}}}}\hfill\\\begin{array}{*{20}{l}}{{\text{Given mass }}=14{\text{ kg}}=14000{\text{ grams}}}\\{{\text{Molar mass}}=46{\text{g/mol}}}\end{array}\hfill\\\end{gathered}[/tex]
Inserting the values in the formula,
[tex]\begin{aligned}{\text{Moles of N}}{{\text{O}}_2}=\frac{{14000}}{{46}}\\=304.34\end{aligned}[/tex]
By the help of Stoichiometry,
4 moles of NO2 will generate 4 moles of HNO3
This means that 304.34 moles of will generate,
[tex]\begin{gathered}=\frac{4}{4}\times304.34\hfill\\=304.34\hfill\\\end{gathered}[/tex]
In order to calculate the mass of HNO3, first equation can be used and we will get,
[tex]\begin{aligned}{{\text{Molar mass of HN}}{{\text{O}}_3}&={\text{ }}63{\text{ g/mol}}}\\{&=304.34\times63}\\{&=19173.42\text{ g}{\text{ or }}19.17{\text{ Kg}}}\end{aligned}[/tex]
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Answer Details:
Grade: High School
Subject: Chemistry
Chapter: Solution
Keywords:
Stoichiometry, number of moles, nitric oxide, given mass, molar mass, equation, moles, oxygen, water,unit, element, compound, atom, molarity, solution.
The mass of HNO3 that can form from the given amount of NO2 pollutant is 19.24 kg.
Explanation:To find the mass of HNO3 that can form from the given amount of NO2, we need to use stoichiometry and the balanced equation for the reaction.
From the balanced equation: 4 mol NO2: 4 mol HNO3
To convert the given mass of NO2 to moles, we need to divide by the molar mass of NO2:
14 kg NO2 * (1 mol NO2 / 46.0055 g NO2) = 0.304 mol NO2
Therefore, using stoichiometry, the 0.304 mol NO2 will react to form 0.304 mol HNO3.
To find the mass of HNO3, we can use the molar mass of HNO3:
0.304 mol HNO3 * (63.01284 g HNO3 / 1 mol HNO3) = 19.24 kg HNO3
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PLEASE ANSWER Which explains how the Calvin cycle and the Krebs cycle differ? The Calvin cycle uses ATP to make glucose. The Krebs cycle uses ADP to make glucose. Only the Calvin cycle occurs in plant cells. The Krebs cycle only repeats in animal cells.
According to research, the Calvin cycle uses ATP to produce glucose is the statement that explains how it differs from the Krebs cycle.
What is the Calvin cycle?It is the second stage of photosynthesis carried out by plants to incorporate the inorganic matter on which they feed, such as CO2.
In the stroma, the Calvin cycle reactions use chemical energy from ATP and NADPH for the reduction of CO2 molecules to form glucose, while the Krebs cycle must be responsible for generating a combination of metabolic energy.
Therefore, we can conclude that according to the context, the Calvin cycle uses ATP to produce glucose is the statement that explains how it differs from the Krebs cycle.
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which term describes the changes that occur in an organism during its lifetime
Final answer:
The changes that occur in an organism during its lifetime are described as development, which is part of an organism's life cycle and includes changes in size, form, and structure.
Explanation:
The term that describes the changes that occur in an organism during its lifetime is development. Development involves an organism changing in structure, form, and function as it progresses through various stages of its life cycle. This life cycle includes events such as gestation, birth, maturity, senescence, and death. Development is evident in the alterations in size, form, and structure that occur during an organism's lifespan. For instance, multicellular organisms typically start from a single cell that proliferates to many cells, which then stay together after dividing to produce a complex structure. These changes are part of an organized process that is controlled in some manner, and it's important to note that development in organisms can lead to not only growth but sometimes also a reduction in size and complexity, which may eventually result in the end of the organism's life.
What stage of cellular respiration is anaerobic? Glycolysis Calvin cycle Electron transport chain Krebs cycle
The stage of cellular respiration that is anaerobic is Glycolysis.
The correct option is A; Glycolysis.
What is glycolysis?Glycolysis is the metabolic route through which most organisms use, to transform glucose into pyruvate in the liquid cytoplasm of cells. The high-energy molecules adenosine triphosphate and reduced nicotinamide adenine dinucleotide are created using the free energy released during this process.
All cells use the fundamental metabolic pathway known as glycolysis to oxidize glucose and produce ATP which is used as energy, as well as intermediates that can be used in other metabolic pathways.
Glycolysis occurs anaerobically.
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Which observation could be used to determine that an ocean organism carries out autotrophic nutrition
Why have plants evolved ways to prevent self-fertlization? Why do you cross-fertilization (plant to plant) more beneficial to the plant?
What would happen if the food chain was broken?
Describe the differences in the way the sand castle is changed by an ocean wave and by Dylan stomping on it
What do you suppose the author meant by a “threshold of irreversibility”?
What the author means that even if the process of the ecosystem is irreversible, it is still possible for it to change through the course but still following the cycle in its process. Although, there are still boundaries in how it will cover the system.
Explanation:
What the author means that even if the process of the ecosystem is irreversible, it is still possible for it to change through the course but still following the cycle in its process. Although, there are still boundaries in how it will cover the system.
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th sun rises over the horizon frame of reference
A population of beetles has both green and brown individuals. Initially, the beetle population contained mostly green individuals, but then the population changed so that most of the population was brown. Select the statements from the dropdown boxes to sequence the changes in the order in which they must have occurred to result in this change in the beetle population.
The environment changes, then the brown color improves survival, after which more brown beetles reproduce, and lastly the brown beetle population increases.
What is Survival?Survival is also known as the act of surviving which is defined as the tendency of something to continue to exist, especially when it does so despite conditions that may kill or destroy it. This concept can also be applied to humans and other living things, physical objects, and intangible things like as the beliefs or ideas.
"Survival of the fittest" is defined as the process of natural selection, a mechanism that drives evolutionary change where natural selection works by favoring individuals that are better adapted to a given set of environmental conditions. In the given example, changes which occur in the population occurs through the changes in the environment, and after which changes in the species occur.
Thus, the environment changes, then the brown color improves survival, after which more brown beetles reproduce, and lastly the brown beetle population increases.
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Compressibility A) How easily a substance can be set on fire
Flammability B) Measure of how much the volume of matter can decrease under pressure
Heat of combustion C) The readiness of a substance to undergo a chemical change
Reactivity D) Measure of how much heat is given off when a substance is burned
These are terms defining specific properties of substances in chemistry. Compressibility is a measure of the volume reduction of a substance under pressure. Flammability indicates how readily a substance can ignite. Heat of combustion measures the heat given off when a substance burns, and reactivity is a measure of how easily a substance undergoes chemical change.
Explanation:The terms mentioned in your question are various properties of substances measured in Chemistry.
Compressibility (B) is a measure of how much the volume of a substance can decrease under pressure. For example, gases are highly compressible since they can be compressed into a smaller volume under pressure.
Flammability (A) indicates how easily a substance can set on fire. This is determined by the substance's ability to react quickly with oxygen to produce heat and light.
Heat of combustion (D) is the measure of how much heat is given off when a substance is burned. This is essential in deciding fuels as higher the heat of combustion, the more effective the fuel.
Lastly, Reactivity (C) reflects the readiness of a substance to undergo a chemical change. Some substances, like the alkali metals, are very reactive and readily undergo chemical reactions.
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In this equation for photosynthesis, where does the second reactant come from and what happens to it in the photosynthesis process?
6CO + 6H O --> C H O + 6O
2 2 6 12 6 2
A. carbon dioxide comes from air and is broke down in the Calvin cycle
B. water is split to drive NADP to NADPH conversion, and it is formed in the Calvin cycle
C. Glucose is formed right after the Calvin cycle
D. oxygen is released as a gas after water is split
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The right answer is C - Oxygen is released as a gas after water is split.
The second reactant here is H2O (water), and it reacts during electron transport chain of chloroplast.
In chloroplasts, light is used to oxidize water to oxygen, and to reduce NADP + to NADPH on the other hand, with concomitant proton injection into the lumen of thylakoids. In the mitochondria, oxygen is reduced to water while NADH is oxidized to NAD + and the succinate is converted to fumarate, with concomitant expulsion of protons out of the mitochondrial matrix.
Answer:
The second reactant is water and it comes from the root through absorption
The correct choice among the given options is option B, Water is split to drive NADP to NADPH conversion, and it is formed in the Calvin cycle
Explanation:
The second reactant in this equation is water and it comes from the root through absorption.
The water used in the process of photosynthesis is obtained from root which transport the water up to the leaves through the Xylem vessels. In the photosynthesis reaction the water molecule is splitted to produce hydrogen ion and free electrons after receiving the light energy from sun. The free electrons are then taken up by a carrier molecule NADP there by transforming it from NADP+ to NADPH. This step of stablisation of NADP+ to NADPH is a part of calvin cycle.
Molecular composition A) High lead levels in a lake kill fish Flammability B) Gasoline catches fire Heat of combustion C) Water has two hydrogen atoms and one oxygen atom Toxicity D) The burning of coal releases heat
Compare the role of active transport with that of osmosis in the movement of materials through phloem
Active transport in the phloem involves energy expenditure to concentrate sugars in the sieve tubes, creating a solute potential that attracts water osmotically. This increases pressure, driving bulk flow from sugar sources to sinks. Osmosis, being a passive process, relies on the solute concentrations established by active transport.
The role of active transport in the phloem involves the movement of sugars into the sieve-tube elements, a process that requires energy, usually in the form of ATP. This energy expenditure is crucial for phloem loading, where sugars are concentrated against a gradient from areas of lower concentration to higher concentration within the sieve tubes. In contrast, osmosis is a passive process where water moves across a semi-permeable membrane from an area of higher water concentration (lower solute concentration) to an area of lower water concentration (higher solute concentration) due to a solute potential created by the actively transported sugars.
Active transport creates a high concentration of solutes (sugars) which then osmotically attracts water from the xylem into the phloem, increasing the pressure within the phloem tubes. This increased pressure drives the bulk flow of the phloem sap from the source (where sugars are synthesized) to the sink (where sugars are utilized or stored). While osmosis does not require energy, the bulk flow in the phloem reliant upon osmosis indirectly depends on the energy expended for active transport during phloem loading and unloading.
how can a build-up of carbon dioxide in the atmosphere increase Earth's global temperature?
This illustration is trying to demonstrate something that mitosis is not. In mitosis, the cells that are created are: ?
In mitosis, the cells that are created are identical and therefore the figure is meaningless.
What is mitosis?Mitosis is a cell division process that generates two genetically identical daughter cells (somatic cells).
Conversely, meiosis generates daughter germinal cell having the half of the genetic material (DNA).
In conclusion, in mitosis, the cells that are created are identical and therefore the figure is meaningless.
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Fossils in _______ layers of rock are generally estimated to be _______ than fossils found in the upper layers.
Why is light not a reactant or a product in photosynthesis?
Final answer:
Light is essential for photosynthesis as it powers the light-dependent reactions, but it is not listed as a reactant or product because light is a form of energy, not a substance that is consumed or produced in the reactions.
Explanation:
The subject of your question is photosynthesis, in which light plays a crucial role but is not listed as a reactant or a product. This is because light is a form of energy rather than a substance that combines chemically during photosynthesis. In the light-dependent reactions, light energy is harnessed by pigments within the chloroplasts and converted into chemical energy in the form of ATP and NADPH. These compounds are used in the Calvin cycle or light-independent reactions, to fix carbon dioxide into organic compounds like G3P.
While light is essential for the initial stage of photosynthesis, it does not get consumed or produced; instead, it acts as an energy source driving the synthesis of ATP and NADPH. These energy carriers then provide the necessary power for the light-independent reactions to produce carbohydrates from carbon dioxide. Therefore, while not listed as a reactant or a product, light is fundamentally indispensable for the overall process of photosynthesis.
Wetlands support a large number of animal species. Chemical weed killers are dumped into this wetland and the aquatic plants are killed. We should expect ___________
A) the insect and insect larva
B) the migratory bird populations
C) the animals that breed and nest here
D) all the animals in and around the wetlands ________ to be affected by the death of the plants.
Answer:
D
Explanation:
The four nitrogenous bases found in DNA are cytosine, thymine, adenine, and deoxyribose sugar.
True false
The sides of a composite-cone volcano have which feature??
The total number of elements that have been identified is:
20
92
52
118
200 milliliters is equal to:
200 milliliters is equal to 0.2 liters. A milliliter is equal to one-thousandth of a liter.
200 ml is equal to 1/5 liter. In the metric system, the relationship between a unit and its base unit is determined by its prefix. For example, the unit ‘milliliters’ has a prefix of ‘milli’, which means ‘one thousandth’. A milliliter is equal to one-thousandth of a liter.
A milliliter is a metric unit of volume. In the metric system, one milliliter is equivalent to one-thousandths of a liter or one cubic centimeter (1 cubic centimeter). According to the imperial system of measurement, a milliliter is a small unit of volume: 0.004 of a cup.
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are there cliffs or cracks on deimos?
Dvd Credit card Stereo speaker Computer hard drive The listed devices all use which force? A) X rays B) magnetism C) electricity D) ultra violet radiation
Which statement describes what happens to the carbon dioxide produced in cellular respiration?
Which scientist performed an experiment with results that provided evidence that microorganisms come from microorganisms, which disproved the theory of spontaneous generation?A. Marie Curie B. Louis Pasteur C. Charles Darwin D. Francesco Redi
Francesco Redi’s was an innovative scientist, physician, and poet. His scientific work resulted in a number of significant milestones: he showed that flies breed and lay eggs and do not, as was popularly believed, spontaneously generate; his microscopic examination of parasites marked the founding of modern parasitology; and in studying chemical treatments to kill parasites, he devised and performed the first controlled experiments in scientific history.
Answer these questions
1. What are three examples of technology?
2. What is observation? Why is it important to scientists?
3. What role does critical thinking play in evaluating scientific evidence?
4. How is a scientific law different from a scientific theory?
5. How do you make an inference?
6. Contrast a hypothesis & a prediction.
7. Why are ethics particularly important in specific types of scientific investigation?
8. Define biology. Name 2 other branches of science.
Answer these questions right now in complete sentences