Answer: There are [tex]3.67\times 10^{21} [/tex] number of nicotine molecules in 1 gram of nicotine.
Explanation:
NIcotine is an organic compound with chemical formula of [tex]C_{10}H_{14}N_2[/tex]
Given mass of nicotine = 1.00 g
Molecular mass of Nicotine = 162.23 g/mol
[tex]\text{moles of compound}=\frac{\text{given mass of compound}}{\text{molar mass of compound}}=\frac{1.00 g}{162.23 g/mol}=0.0061 mol[/tex]
Number of molecules of compound:
[tex]\text{moles of compound}\times {Avogadro number}=0.0061 mol\times 6.022\time 10^{23}=3.67\times 10^{21} molecules[/tex]
There are [tex]3.67\times 10^{21} molecules[/tex] in 1 gram of nicotine.
Where near your home do you think the highest level of photosynthesis is happening?
Answer:
I live in a rural area which is surrounded by mountains and valleys. Near my home there is small forest area where there are hundreds of thick tall forests, algae and many other photosynthetic plants.
The atmosphere of that forest is very clean and refreshing because there is alot of oxygen being produced there due to alot of photosynthesis being done by all the lush green plants there.
Due to photosynthesis, carbon di oxide that is an environmental pollutant is maximum used by the plants and maximum. Oxygen is produced as a result of photosynthesis.
This causes the environment of not only that forest but my whole village very clean and fresh to breath. We are living a healthy life where there is a less prevalence of diseases or infections that are caused by environmental pollutants like Bronchitis, Lungs infection, neural disorders etc.
Therefore, even if there is not such an area near your home, we would suggest you to plant more trees in your backyard that will make the environment of not only your home but your area very fresh and clean.
Hope it help!
Mark are used in proteins within the body have two functions structure in transport Sarah disagrees which significant function of proteins did mark admit from his list
Answer:
Proteins are large complex compounds made up of one or more polypeptide chains.
They play various roles in living organisms such as:
Transport: They help in transport of material across the cell membrane by forming carriers and channels across the lipid bilayer.Structural role: They are called building block of the body as they provide structure and strength to all the cells. For example, keratin protein is found in nails, hair, and skin, collagen is a protein found in connective tissue et cetera. Immunological role: Antibodies or immunoglobulins are primarily protein in nature which helps our body to fight against a pathogen. Biochemical reactions: In living organisms, proteins in the form of enzymes help in escalating the biochemical reactions taking place in an organism. For example, RuBisCO. Chemical messenger: Proteins also occur as chemical messengers in the form of hormones such as insulin et cetera.Thus, Mark did not add immunological role, role in biochemical reaction, and role as chemical messenger of proteins.
After a direct blow to the eyeball with a soccer ball, your athlete complains of double vision and numbness in her cheek. you also notice that she has noticeable swelling and a downward displacement of the injured eye. what injury might you suspect?
In the given case, one may suspect for an orbital fracture.
An orbital fracture refers to a traumatic injury to the eye socket bone. These injuries are generally the outcome of blunt force trauma to the eye. There are three prime kinds of orbital fractures, which can take place:
1. Orbital rim fractures take place in the eye socket's bony outer edges.
2. The blowout fractures take place when the rim remains intact, however, a crack produces in the wafer-thin bone, which forms the eye socket floor.
3. Direct orbital fractures refer to the rim fractures, which have elongated into the floor.
How many atoms are there in 2.8 moles of carbon? Show work
Final answer:
To find the number of atoms in 2.8 moles of carbon, multiply the number of moles (2.8) by Avogadro's number (6.022 × 10²³ atoms/mole) to get approximately 1.68616 × 10²´ atoms.
Explanation:
To calculate the number of atoms in 2.8 moles of carbon, we can use Avogadro's number, which is 6.022 × 10²³ atoms per mole. By definition, a mole is an amount of substance that contains the same number of particles as there are atoms in 12 grams of carbon-12.
The steps are as follows:
Identify the number of moles given, which is 2.8 moles of carbon.Multiply the number of moles by Avogadro's number to get the total number of atoms.Calculation:
2.8 moles × 6.022 × 10²³ atoms/mole = 1.68616 × 10²´ atoms
So, 2.8 moles of carbon contains approximately 1.68616 × 10²´ atoms of carbon.
Choose all the answers that apply.
Eukaryotes _____.
are always multicellular
are always unicellular
may have evolved from prokaryotes
have membrane-bound organelles
have a true nucleus
are more primitive than prokaryotes
Answer:
The correct answers are:
- May have evolved from prokaryotes
- Have membrane-bound organelles
- Have a true nucleus
Explanation:
- They aren't always multi-cellular although most are.
- Only on occasion are unicellular
- Many scientists hypothesize that eukaryotic cells evolved from prokaryotes
- Eukaryotes have a true nucleus, membrane-bound organelles, and complex internal structures.
- and are not more primitive than prokaryotes, Pros have been around for 4 billion years while Euks have only been around for 1 billion
Hope this helped you!
Final answer:
Eukaryotes are characterized by having a true nucleus and membrane-bound organelles, and they can be both single-celled and multicellular. They may have evolved from prokaryotes and show a complex cellular organization.
Explanation:
Eukaryotes are a diverse group of organisms that have a true nucleus and membrane-bound organelles. They can be either single-celled or multicellular in their body composition, which includes plants, animals, fungi, and protists. The presence of a membrane surrounding their DNA is one of the key features distinguishing them from prokaryotes. There is a consensus among scientists that eukaryotes may have evolved from prokaryotes, likely through endosymbiotic events; however, they are not considered more primitive than prokaryotes, as each group is adapted to its own ecological niches.
Mark argues that proteins within the body have two functions structure and transport Sarah disagrees which significant function of proteins did mark omit from his list
While Mark identified structural support and transport as protein functions, he omitted roles in enzymatic reactions, immunity, hormonal regulation, and growth and repair. Proteins also act as metabolic fuels and have diverse structures critical to their functions, with alterations potentially leading to disorders like sickle cell anemia.
Explanation:Mark mentioned structure and transport as functions of proteins, but he omitted several other significant functions. Proteins are indeed crucial for structural support and transport, but they also have pivotal roles in enzymatic activities, immune responses as antibodies, hormonal functions, and serving as receptors and channels in cell membranes. Moreover, they are involved in cell signaling, muscle contraction, and other regulatory mechanisms within the body. Proteins such as hemoglobin are vital for oxygen transport, and enzymes catalyze biochemical reactions which are essential for metabolism. Proteins also contribute to growth and repair of tissues and can act as a metabolic fuel source when needed.
Of importance, the structure of proteins, determined by the sequence of amino acids and their three-dimensional folding, is critical for their diverse functions. A change in even a single amino acid can have significant consequences on protein functionality, as seen in the genetic disorder sickle cell anemia, where an altered hemoglobin structure leads to improper oxygen transport and other complications.
Which of these facts about wild boars is best supported by the evidence provided?
A) Wild boars were brought to the United States by humans.
B) Wild boars have quickly spread through the United States.
C) Wild boars have established successfully in areas with warm climates.
D) Wild boars have a high reproductive rate and no natural predators
Answer:
The right answer to this question is option D. Wild boars have a high reproductive rate and no natural predators.
Explanation:
What is known is that, for a population to spread such as the boars, it needs to be well adapted to the environmend around it, and the boars can do that easily, they have a very diversified diet, they have a very high reproductive rate and no natural predators as said on the question. Their only threatening predator right now are where they are located are humans. With all these characteristics, this species can easily adapt themselves to weather changes. As they have a high reproductive rate, they can too, adapt well new environments due to natural selection.
what is expected to happen during el niño
Answer:During an El nino there is change in the surface waters in the central and eastern Pacific Ocean.
Explanation:
During an El nino there is change in the surface waters in the central and eastern Pacific Ocean. The change makes them to be normal than usual. The change is as a result of the atmosphere and the winds blowing over the vast Pacific.
El nino also happen when natural climate pattern where sea water in the central and eastern tropical Pacific Ocean is warmer than average.
Bo was reading in his science book and discovered that marble is a type of rock that is found in Georgia. He read that marble is formed when limestone deep below Earth's surface is heated and pressure is applied. What type of rock is marble?
Final answer:
Marble is a metamorphic rock formed from limestone under high heat and pressure, known for its light color and durability, and used historically in construction and sculpture.
Explanation:
Marble is a type of metamorphic rock that is formed under the surface of the Earth. It originates when limestone is subjected to high heat and pressure, causing it to recrystallize. This process transforms limestone into marble, a harder rock typically characterized by a light color, often white, due to its calcite or dolomite composition. Marble also features colorful markings, contributed by impurities in the original limestone. With its beautiful appearance and durability, marble has been quarried for centuries and used in various applications like buildings and sculptures.
What type of climate is most likely expected in a location that receives very little precipitation throughout the year? Dry desert Humid continental Humid subtropical Tropical wet
Dry desert is the answer brother.
Final answer:
A location with very little precipitation is most likely to have a Dry Desert climate, characterized by low rainfall, high temperatures, and high evaporation.
Explanation:
The type of climate expected in a location that receives very little precipitation throughout the year is most likely a Dry Desert climate. Deserts are characterized by receiving less than 25 centimeters (10 inches) of rain per year and are often situated between about 15° and 30° latitude where dry air sinks at the surface. These areas have a combination of high temperatures, high evaporation rates, low relative humidity, and sporadic rainfall, creating an arid environment with minimal vegetation.
Which of the following statements concerning differences in cultural coping strategies in response to stress is true? Please select the best answer from the choices provided
A Individuals in collectivistic cultures will sometimes refrain from expressing stress if there is a possibility of disrupting group harmony.
B Individuals in collectivistic cultures tend to focus on taking action to solve the problem causing the stressor.
C Individuals in individualistic cultures are often more inclined to avoid stressful situations than individuals in collectivistic cultures.
D Individuals in individualistic cultures are more prone to using social support as a way of coping with stress than those in collectivistic cultures.
The given question is : Which of the following statements concerning differences in cultural coping strategies in response to stress is true?
Answer: Option A is true.
A: Individuals in collectivist cultures will sometimes refrain from expressing stress if there is a possibility of disrupting group harmony.
Answer:
A. Individuals in collectivistic cultures will sometimes refrain from expressing stress if there is a possibility of disrupting group harmony.
Explanation:
Stress can become a major problem in anyone's life. In stressful moments, it is normal for the individual to establish coping strategies so that he can have peace of mind and be able to resist his problems.
Coping strategies are different in individualist and collectivist cultures. This is because, often, coping strategies involve more people than the individual who is facing stress.
In individualistic cultures, as the individual is taught to seek his own interests, coping strategies can involve a community without the individual being concerned with the harm that that community will have. However, sometimes individuals in collectivist cultures avoid expressing stress if there is a possibility of disturbing the harmony of the group.
[O.01]Which of these is the location where sea floor spreading occurs?
A. abyss
B. guyot
C. ocean trenches
D. mid-ocean ridges
I think it's letter C...
The formula for aluminum fluoride is electrically neutral. Which of the following is the correct formula for this compound? Which consists of only aluminum and fluoride ions? An aluminum ion has three positive charges
In aluminium fluoride, aluminium carries positive charges so fluoride should carry negative charge to be electrically neutral.So for aluminium ion with three positive charges fluoride ion should possess three negative charges to make aluminium fluoride electrically neutral.
[tex]AlF_{3}[/tex]→[tex]Al^{3+} and F^{3-}[/tex]
1. If the number of pythons increases then the death rate of marsh rabbits will (Choose 1: increase/decrease)_________________ .
2. If the number of pythons increases then the death rate of marsh rabbits will (Choose 1: increase/decrease)_________________ .
3. If the number of marsh rabbits increased, what would happen to the population size of the pythons? Why?
a. The population size of the pythons would decrease because the marsh rabbits would drastically out number them.
b. The population size of the pythons would decrease because the marsh rabbits would take occupy the habitat normally used by pythons.
c. The population size of the pythons would increase because pythons require the same breeding conditions as marsh rabbits.
d. The population size of the pythons would increase because there would be more food (in the form of marsh rabbits) available.
1. If the Number of Pythons increases then the Death Rate of Marsh Rabbits will Increase. Because More Pythons will need More Food to Survive. So, they need to kill many Rabbits in their Habitat. Hence, The Death Rate of Rabbits Increases.
2. You repeated the Same Question
3. If the Number of Marsh Rabbits increased, The Population Size of Pythons would increase because there would be More Food (in the Form of Marsh Rabbits) Available.
I think Option D
Answer: 1. Increase 2. Decrease 3. D) The population size of the pythons would increase because there would be more food (in the form of marsh rabbits) available.
Explanation:
1. (2 points) If the number of pythons increases then the death rate of marsh rabbits will (Choose 1: increase/decrease) ANSWER>>>> Increase
2. (2 points) If the number of pythons increases, then the population size of marsh rabbits will (Choose 1: increase/decrease) ANSWER>>>>>>Decrease
3. (2 points) If the number of marsh rabbits increased, what would happen to the population size of the pythons? Why?
a. The population size of the pythons would decrease because the marsh rabbits would drastically out number them.
b. The population size of the pythons would decrease because the marsh rabbits would take occupy the habitat normally used by pythons.
c. The population size of the pythons would increase because pythons require the same breeding conditions as marsh rabbits.
d. The population size of the pythons would increase because there would be more food (in the form of marsh rabbits) available.<<<<<<< ANSWER
HOPE THIS HELPS, JUST DID THE LESSON AND GOT EVERYTHING CORRECT!!!!!!!! :)
Frank had researched how solar technology can help save every. Which group should frank approach to share his findings?
A. SERI/NREL
B. IPCC
C. EPA
D. NOAA
the answer is A) SERI/NREL i think
Which of the following are characteristics of binary ionic compounds?(Select all that apply)
A. Made of up of 2 nonmetallic elements
B. Made of a metallic and a nonmetallic elements
C. Involves the sharing of electrons
D. Involves the transferring of electrons
E . Is overall electrically neutral
F. May or may not be electrically neutral
A binary ionic compound contains ions of two different elements - a metal, and a nonmetal.
These have following characteristics-
B. Made of a metallic and a nonmetallic elements
D. Involves the transferring of electrons
E . Is overall electrically neutral (the charges of the cations and anions must balance or cancel out one another. )
Answer:
D. Involves the transferring of electrons
F. May or may not be electrically neutral
Explanation:
Chemistry considers a binary compound when its molecule is formed by two different chemical elements, regardless of the function to which this compound belongs. Thus, with respect to inorganic functions, we may have a binary compound representing an acid, a salt or an oxide.
Binary compounds make much use of the theory of electron donation and reception. Many of the binary compounds are characterized by one or more ionic bonds when donating and receiving electrons.
According to ionic theory, for an AB-type compound, element A has a positive character, which characterizes it as an electron donor. Negative compound B, on the other hand, is an acceptor of electrons, which come from A. Thus, most binary compounds are characterized by the presence in their structure of one or more ionic bonds (electron donation and reception) and may leave the binary compound electrically charged or not.
_____, a therapeutic medication that clinicians use in substance dependence treatment, appears to have value in treating people with kleptomania clinicians. milk of magnesia naltrexone insulin statin
The correct answer is Naltrexone.
Disease: Kleptomania & Symptoms
It is an unusual condition disorder in which a person has an urge to steal the things even if they don't need it. This is a type of impulsive disorder which is characterized by repeating and continuous patterns of stealing.
Treatment
Naltrexone is a drug that cures this disease, this drug blocks the effect of endogenous opitates that may be released during stealing. In layman language one can say that it blocks that part of he brain which feels pleasure with some of the addictive behaviors. It was found that after eight weeks of treatment by this medicine, the urge to steal things was reduced.
Which conclusion can be drawn based on the sedimentary rock diagram below?
A. Trilobites are younger than clams.
B. Snails and clams evolved into mammals.
C. All species once lived on land.
D. Biodiversity increased with time.
Ardell had a schizophrenic episode and a subsequent schizophrenia diagnosis ten years ago. he was treated successfully with medication and returned to work. nonetheless, ardell still has some problems, including peculiar mannerisms and thoughts, and unusual affect. what phase of schizophrenia best characterizes ardell's current level of functioning?
The correct answer is a residual phase of schizophrenia.
This phase is demonstrated when the patient is no longer showing any conspicuous signs. In such cases, the schizophrenic symptoms usually have lessened in severity. The delusions, idiosyncratic behaviors, or hallucinations may still be persisting, however, their appearances are substantially reduced in comparison to the acute phase of the illness.
Scientists have been genetically modifying food crops since the mid 1990's. As a result, scientists have been able to produce crops that are more disease resistant. What could be seen as a risk associated with using genetically modified crops?
Some risks associated with using GMOs are that they can grow resistant to the antibodies, have decreased nutrition in some cases, and there are some health effects as a result of them.
what is the remaining ratio of alleles if my total is 140 and 65.8% are red and 18.2% are blue?
My answer will be that the remaining ratio of alleles will be 16%, since this is the value that is required to have 100% of the alleles.
Answer:
Remaining allele [tex]= 19 \\OR\\= 13.57[/tex]%
Explanation:
Given -
The total number of allele [tex]= 140\\[/tex]
Out of total [tex]140[/tex] allele, nearly [tex]65.8[/tex]% are red allele.
Thus, total number of red allele
[tex]= \frac{68.5}{100} * 140\\= 95.9 \\= 96[/tex]
Out of total [tex]140[/tex] allele, nearly [tex]18.2[/tex]% are blue allele.
Thus, total number of blue allele
[tex]= \frac{18.2}{100} * 140\\= 25.48 \\= 25[/tex]
Remaining allele = Total allele - red allele - blue allele
[tex]= 140 - 96 -25\\= 19[/tex]
Remaining ratio of alleles
= [tex]\frac{19}{140} * 100\\= 13.57[/tex]%
30 POINTS + BRAINLIEST MARK
→ What is the likelihood that an organism will produce a male offspring and why?
If you want to know the damage that an earthquake of a 7.0 magnitude can do, refer to a _____. Mercalli intensity scale tiltmeter Richter scale moment magnitude scale
The answer is; Mercalli intensity scale
It measures the intensity of an earthquake which can be determined by its destruction effect. The Ritcher scale on the other hand mostly measures the energy of an earthquake. The Mercalli scale ranges from I (no destruction) to XII (Total destruction).
Answer:
Option (1)
Explanation:
Earthquakes occurs due to the sudden trembling of the earth. These releases energy due to the propagation of seismic waves in the interior of the earth. These earthquake can cause great damages depending upon the intensity and magnitude of the earthquake.
The Mercalli scale was invented by Giuseppe Mercalli, in the year 1902. This scale measures the intensity of an earthquake. This intensity is marked by the amount of damage it causes in a particular area. It does not determine the magnitude of the earthquake. These scale ranges from I to XII, where I depicts a earthquake of least intensity, and XII depicts an earthquake of maximum intensity and it is very destructive.
The correct answer is option (1).
A mother brings her 2-year-old child to the clinic because of her concerns about the child's nutritional status. for the last week, he has refused to eat anything except animal crackers and peanut butter and jelly sandwiches. which measure would be most appropriate for the nurse to suggest?
Answer:
The nurse should suggest that the child's mother not offer food from the main meals, so that the child is hungry, and the mother should eat small portions of food.
Explanation:
One of the things that worries parents the most is the lack of appetite of their children. After carefully and lovingly preparing food, it is difficult to understand why they refuse to eat and prefer to eat things that are not nutritious enough. Many parents go through this and end up seeking medical help to deal with this problem.
In such cases, what a nurse may suggest is that parents should avoid giving drinks and other types of food during meals, as they reduce appetite and should not overfill the child's plate. Ideally serve smaller portions and wait for the child to want to repeat.
The nurse should recommend engaging the child in meal planning and prep, providing nutrient-dense foods, and creating a pleasant mealtime atmosphere to encourage healthier eating habits.
For a child refusing to eat anything but animal crackers and peanut butter and jelly sandwiches, the nurse should suggest a balanced approach to nutrition that encourages parental involvement in meal planning and includes the child's participation in food preparation. To address a 2-year-old's particular eating habits, it would be most appropriate to:
Involve the child in meal planning and preparation, making the experience educational and enjoyable.Provide nutrient-dense foods at mealtime and snack-time and limit high-calorie, low-nutrition options.Maintain a pleasant mealtime atmosphere, avoiding stress and pressure, to foster a better eating experience.Keeping mealtimes positive and engaging while providing balanced, nutritious options can encourage children to diversify their diets without imposing undue stress or negative associations with food.
Though some bacteria cause disease and illness in humans, the majority are harmless. Some bacteria are used to aid digestion, used in preparation of certain foods, used to battle infections or used by industry. Bacteria have many important roles in nature. All BUT ONE is a role of bacteria out in the world around us.
A) Some bacteria increase the soil fertility.
B) Bacteria carry out 60% of total nitrogen fixation in natural ecosystems.
C) Bacteria are responsible for converting sunlight into usable chemical energy.
D) Bacteria decompose organic matter, by decay and putrefaction, to keep our earth clean.
the ans3wer would be a
The answer is C
Hope this helps!!!:)
What Type Of Cloud Is Cloud A. What kind of weather might you expect when you see clouds of this type?..
Cloud A is a Cumulus cloud. You should expect fair weather.
Answer:
It is 100% A!
Explanation:
Which TWO descriptions are examples of mechanical energy?
1. a bird flying in the air
2.a tiger ready to pounce on its prey
3.a child chewing food
4.a girl sitting on a motionless swing
5.a log of wood on a riverbank
The correct answers are:
a tiger ready to pounce on it's prey
A child chewing food
Based on the Cell Cycle Summary Chart above, which statement pair is correct?
A
G1 phase - DNA replication
B
G2 phase - preparation of mitosis
C
S phase - DNA replication
D
M phase - mitosis
Answer:
it is c
Explanation:
What are the threadlike proteins that attach to platelets in blood clotting?
Answer:
fibrin
Explanation:
Fibrin is a protein that acts as a first response whenever your body is injured in order to play an important role in the blood clotting process. When any type of injury that causes blood leakage occurs and coagulation begins, an alert is then sent to the body to start producing fibrin.
In the form of long strands, each fibrin molecule intertwines to form a thin mesh around the lesion. As a result, this mesh stops the blood by capturing red blood cells, leukocytes and platelets, generating a clot and forming a kind of tampon at the injured site.
In summary, we can say that fibrin is a yarn-like protein that binds to platelets in blood clotting.
Choose all that apply : Growth _____.
*occurs only in multicellular organisms
**only increases size of cells
***usually increases the complexity of an organism's structure
****is unpredictable
Answer: usually increases the complexity of an organism's structure
is unpredictable
Explanation:
Growth is define as the considerable increase in the size, age, height, length and weight of the organism. With the increase in the growth of the organism the complexity in structure of the organism also increases due to increase in the number and size of the cells. The growth is unpredicatable phenomena due to factors such as availability of food and water, genetic and environmental factors.
Answer:
***usually increases the complexity of an organism's structure
Explanation:
The other answer says usually increases the complexity of an organism's structure is unpredictable, that is two answers in one so the answer would be ***