Is it possible to create a 12% v/v solution from a 2% v/v solution? why or why not? if you answered that it is possible, how much of the 2% v/v solution would be required to make 50 ml of the 12% v/v?.
Answers
Yes, it is possible to create a 12% v/v solution from a 2% v/v solution. Therefore, we would need 300 mL of the 2% v/v solution to make 50 mL of the 12% v/v solution.
Volume/volume (v/v) percentage concentration is a measure of the concentration of a substance in a solution. It represents the volume of solute present in 100 mL of the solution. For example, a 5% v/v solution contains 5 mL of solute in 100 mL of solution.It is possible to create a 12% v/v solution from a 2% v/v solution by adding more solute to the original solution. This will increase the concentration of the solute in the solution, resulting in a higher v/v percentage.
To calculate how much of the 2% v/v solution would be required to make 50 mL of the 12% v/v solution, we can use the following equation: % C1 × V1 = % C2 × V2, where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume. Using this equation, we can solve for V1, which represents the volume of the 2% v/v solution needed to make 50 mL of the 12% v/v solution. % C1 × V1 = % C2 × V2V1 = (% C2 × V2) / % C1V1 = (12% × 50 mL) / 2%V1 = 300 mL.
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Related Questions
Describe what occurs as epidermal cells move away from the dermis.
Answers
Answer:
Your skin blisters, and a clear liquid fills the bubble
Explanation:
Most of the border of the state of Florida is where the land meets the ocean. What term is used for this?
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Answer: Coast? Or peninsula
Explanation:
Which of the following is igneous rock
A.gneiss
B.shale
C.limestone
D.pumice
Please hurry
Answers
explanation:
if you look up examples of igneous rocks, that is one of the top three that show up!
Are state changes chemical or physical changes? Provide an example of a state change and explain why it is a chemical or physical change.
Answers
Answer:
physical
Explanation:
example: water freezing into ice
there is no change in the chemical properties, frozen water is still water
Why is it important for cells to grow quickly?
Answers
Answer: The cell cycle is the most important process in the growth of an organism.
Explanation: The cell cycle is the fundamental process by which a cell matures, synthesizes DNA, and divides to form daughter cells. Somatic cells divide regularly. All multicellular organisms use cell division for growth, maintenance and repair of cells and tissues. Unicellular organisms use this process to reproduce. The cell cycle affects our daily lives. Most cancers are a result of inappropriate cell division arising due to aberrations in normal cell cycle regulation. Stem cell biology and regulation in growth of organs also involves extensive study of cell cycle.
how the adaptations of chameleons came about through gradual evolution ?
NEED HELP ASAP
Answers
Chameleons, those shade-shifting, intricately camouflaged lizards that can change color in response to environmental or behavioral influences. Since the oldest lineages of chameleons are all from Madagascar, scientists believe they evolved on the island and spread out from there. As far as paleontologists can tell, the first chameleons evolved shortly after the extinction of dinosaurs 65 million years ago. Unlike other animals that change color, such as the squid and octopus, chameleons do not modify their hues by accumulating or dispersing pigments within their skin cells, the researchers found. Instead, the lizards rely on structural changes that affect how light reflects off their skin, the researchers said. Although chameleons are believed to have originated in Africa or Madagascar, the oldest known fossil, 26 million years old, is Chamaeleo caroliquarti from western Bohemia.
during lipid digestion, emulsification occurs in the __________________, whereas formation of chylomicrons occurs in the _____________________.
lumen of the small intestine; lacteals
epithelial cells that line the wall of the small intestine; lacteals
lumen of the small intestine; lumen of the large intestine
lumen of the small intestine; epithelial cells that line the wall of the small intestine
lumen of the stomach; lumen of the small intestine
Answers
During lipid digestion, emulsification occurs in the lumen of the small intestine, whereas formation of chylomicrons occurs in the epithelial cells that line the wall of the small intestine (Option D).
What is emulsification?Emulsificаtion is the process of disаggregаtion of lаrge lipid droplets into smаller droplets thаt hаve а higher surfаce аreа-to-volume rаtio. Emulsificаtion аids in lipid digestion by opening up more surfаce аreа where digestive enzymes cаn аttаck the droplet. The primаry physiologicаl emulsifiers аre bile аcids аnd the phospholipid lecithin, both of which аre synthesized by the liver аnd secreted into the bile. These molecules in combinаtion with physicаl аgitаtion by the GI trаct significаntly emulsifies lаrge lipid droplets.
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true or false? in most fungi, fertilization is complete after the cells fuse together.
Answers
Answer:
True
Explanation:
In most fungi, fertilization is complete after the cells fuse together. in most fungi, fertilization is a two-step process consisting of the fusion of cells and then the fusion of nuclei in the fused cells. Where does meiosis occur in a mushroom?
I need to answer this question and I need help
Answers
Answer:
It is helpful as it can help pilots prepare for these situations. Its limitations are that these are chicken bodies, not live chicken, and that they are being shot by a cannon, not flying into the airplane.
Explanation:
Sort the following processes by when they occur during the cell cycle
Answers
Cell divission:
- Separation of replicated DNA
- Formation of two new nuclei
Interphase:
- Cell performs its normal functions
- Growth
- DNA replication
Methods farmers use to increase crop production from their land
Answers
Explanation:
Consider these 9 tips, techniques, and methods regarding how to increase your corn crop yield
Plant Early, Plant Effectively. ...
Practice Seasonal Soil Rotation. ...
Know The Yield Potential. ...
Always Scout Your Fields. ...
Ensure Proper Water Drainage. ...
Utilize Fertilizers. ...
Test Your Soil. ...
Weed Early and Often.
what is the role of carbon in living organisms
Answers
Answer:
All living things contain carbon in some form. Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates. Carbon's molecular structure allows it to bond in many different ways and with many different elements.
Explanation:
. You are a breeder of exotic dogs and interested in tail length. Assume that you have conducted a standard set of crosses: (P1 x P2F1 F2) and found that the F1 population had a variance of 2.1 cm², and the F2 population has a variance of 6.1 cm2. What is the narrow sense heritability for this trait in this breed? You may assume that the interaction between genetics and environment can be ignored (=0), and the interaction between alleles at different genes is also negligible (=0), and that dominance effects on the variance in phenotype is 0.2 cm².
24) You want to breed a shorter tail in your exotic dogs. Your kennel has lots of dogs with a mean tail length of 10.7 cm. You take the lower half (roughly) of this population and breed them. This breeder pool has a mean tail length of 4.9 cm. Use the narrow sense heritability you obtained in the prior problem to predict the expected tail length in the offspring. (Of course, you wait for each population to reach maturity before you measure tail lengths.)
Answers
The breeder wants to know the narrow sense heritability of tail length in the breed.The formula for narrow-sense heritability is defined as:
h² = Vg / VpWhere,Vg = variance of breeding valueVp = phenotypic varianceP1 and P2 are the parental generations of the cross. F1 and F2 are the first and second filial generations respectively.The variance is defined as the sum of the squares of deviation from the mean, divided by the sample size of the population, minus.1. It is represented as s².Here, variance of F1 population, V1 = 2.1 cm²variance of F2 population, V2 = 6.1 cm²dominance effect on the variance in phenotype, d² = 0.2 cm²h² = Vg / Vp=> h² = (V1 - V2 / 2) / (V1 + V2 / 2 + d²)=> h² = (2.1 - 6.1 / 2) / (2.1 + 6.1 / 2 + 0.2)=> h² = -2 / 5.7≈ -0.35The narrow sense heritability is -0.35. However, the heritability cannot be negative, so it should be zero since this heritability cannot be predicted or measured. Therefore, the narrow sense heritability of tail length in the breed is 0.
The expected tail length of the offspring is:
Expected tail length = Mean tail length of the breeder pool + h² (mean tail length of the original population - mean tail length of the breeder pool)We have, Mean tail length of the original population = 10.7 cmMean tail length of the breeder pool = 4.9 cmh² = 0Expected tail length = 4.9 + 0 (10.7 - 4.9) = 4.9 cmTherefore, the expected tail length in the offspring is 4.9 cm.About BreederBreeder are livestock businessmen. In Indonesia, livestock are usually cows, goats, sheep, chickens, turkeys, ducks, ornamental fish, freshwater fish, seawater lobsters, and so on. Breeders cultivate livestock in the fields or pastures depending on the animals raised. What are the 3 types of livestock? Livestock business is divided into three types, namely 1). large livestock, consisting of beef cattle, dairy cattle, buffalo and horses, 2) small livestock, consisting of sheep, goats and pigs, 3) poultry, consisting of laying hens, native chickens, and ducks.
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DNA ___________ is important because it ensures that when a cell divides, the two resulting cells have the same genetic code. Pleaseee help
Answers
Answer: Replication
Explanation: When the cell is preparing to divide it will replicate its DNA so that both of the daughter cells will have a complete set of the DNA. It's like a book of instructions and the cell has to perfectly replicate it so that when it splits into two both of the new cells will have a perfectly made copy of it! Hope this helps :)
I thought benzoic acid was obtained from styrax benzoin since gum benzoin is obtained from it. any help here please.
Answers
Answer:
Yes you are right
Explanation:
hope it helps
Patrick and Patty's son Patterson, who is heterozygous for pink body color (Pp) like his parents, gets married and has kids with Petunia, who is homozygous recessive for yellow skin. What is the likelihood that their kid will have yellow skin like it's mother?
a. 25% chance of yellow skin
b. 50% chance of yellow skin
c. 75% chance of yellow skin
d. it is not possible for their offspring to have yellow skin because Patterson has the dominant trait
Answers
Answer:
b. 50% chance of yellow skin
Explanation:
The likelihood that their kid will have yellow skin depends on the genetic makeup of both Patterson and Petunia. Patterson has the genotype Pp, which means he has one dominant allele for pink body color and one recessive allele for yellow body color. Petunia, on the other hand, has the genotype pp, which means she is homozygous recessive for yellow body color.
When they have children, each parent will contribute one of their alleles to their offspring. The offspring will have a 50% chance of inheriting the recessive allele for yellow body color from Patterson and a 50% chance of inheriting the recessive allele for yellow body color from Petunia. Therefore, the likelihood that their kid will have yellow skin is 50%.
In which sentence does the verb agree with the subject?
Several of the readers were searching for books.
Neither of the men were looking in the right place.
Many of the girls plays on the sidewalk.
One of the students type on the computer.
Answers
Answer:
all of them except
"Many of the girls plays on the sidewalk."
Explanation:
Subject here "girls" is plural which mean if a subject is plural, its verb must also be plural. verbs REMOVE an s from the singular form.
therefore inorder for it to be correct, s must be remove from play
Answer: Many of the girls plays on the sidewalk.
Explanation: "Plays" needs to be removed. Correct sentence: Many of the girls play on the sidewalk.
Hope this helps! :)
In which way(s) could polar bears and grizzly bears be considered the same species?
Answers
The genetic and reproductive characteristics provide evidence for the classification of polar bears and grizzly bears as the same species, highlighting their evolutionary connection despite their ecological differences.
Polar bears (Ursus maritimus) and grizzly bears (Ursus arctos horribilis) are considered to be the same species due to their ability to interbreed and produce fertile offspring. Although they have evolved to adapt to different environments and exhibit distinct physical characteristics, they share a common ancestry and belong to the same genus, Ursus.
Both polar bears and grizzly bears are members of the Ursidae family and possess similar anatomical features, including a similar skeletal structure and reproductive system. Their genetic makeup is also closely related, with studies revealing a significant amount of shared genetic material between the two species.
Additionally, polar bears and grizzly bears have been observed to hybridize in regions where their habitats overlap, such as in parts of Canada and Alaska. The resulting hybrid offspring, known as "pizzly" or "grolar" bears, inherit a combination of traits from both species.
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which anatomical area allows for reproduction? which anatomical area allows for reproduction? primary sex characteristics schemas teratogens sex-linked genes secondary sex characteristics
Answers
The ovaries and testes are the two main reproductive organs, or gonads. Gametes, including the egg and sperm, as well as hormones, are created in these organs.
What part of the body controls reproduction?The ovaries and testes are the primary reproductive organs, or gonads. These organs are in charge of producing egg and sperm cells, as well as gametes and hormones.
The reproductive system's primary function is to ensure the survival of the species. Other systems in the body, such as the endocrine and urinary systems, work constantly to keep the individual's homeostasis.
An individual can live a long, healthy, and happy life without bearing children, but for the species to survive, at least some individuals must bear children.
The uterus, two ovaries, two fallopian tubes, the urethra, the pubic bone, and the rectum comprise the internal reproductive anatomy. The endometrium is the inner lining of the uterus.
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PLEASE HURRY!!! Radiation has caused a mutation in the DNA of a bird. This change will most likely be passed on to its offspring if the mutation occurs in its
A. Sperm cell
B. Feather cell
C. Skin cell
D. Nerve cell
Answers
Answer: I think its A or D try it which one is correct..
Explanation: Species and the Ability to Reproduce
A species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring.
Members of the same species share both external and internal characteristics, which develop from their DNA. The closer relationship two organisms share, the more DNA they have in common, just like people and their families. People’s DNA is likely to be more like their father or mother’s DNA than their cousin or grandparent’s DNA. Organisms of the same species have the highest level of DNA alignment and therefore share characteristics and behaviors that lead to successful reproduction.
How much energy is used by the organism or lost to the environment as heat between trophic levels
10% or 90%
Answers
what is the kingdom that contains single-celled organisms that live in extreme environments?
Answers
The kingdom that contains single-celled organisms that live in extreme environments is archaea.
A single cell makes up a unicellular creature, also known as a single-celled organism, as opposed to a multicellular organism, which is made up of many cells. Similar to Eukarya, Archaea have RNA polymerases that are more complex than those of bacteria.
Comparatively speaking to bacteria, archaea do not have peptidoglycan in their cell walls. Compared to bacteria and eukarya, archaea's membrane lipid bonding is different.
Existing genetic variations. Archaea also possess RNA polymerases that are more complex than those found in bacteria, similar to Eucarya. Comparatively speaking to bacteria, archaea do not have peptidoglycan in their cell walls. Compared to bacteria and eukarya, archaea's membrane lipid bonding is different. Existing genetic variations.
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Dichotomous Leaves key
Answers
chestnut all you have to do is compare the statements about the leaves
Answer:
chestnut
Explanation:
because if you do all of the analysis and u will have the answer
___________ is the process by which water and solutes flow from the blood into the capsular space in the renal corpuscle.
Answers
Answer:
filtration
Explanation:
13. are the proposed cfc replacements themselves greenhouse gases? why is their emission considered to be less of a problem in enhancing the greenhouse effect than was that of the cfcs themselves?
Answers
Yes, the proposed CFC replacements themselves are greenhouse gases.
The emission of these replacement gases is considered to be less of a problem in enhancing the greenhouse effect than was that of the CFCs themselves due to their shorter lifetimes in the atmosphere and lower global warming potentials.
CFCs have been found to be highly effective at destroying the ozone layer, which protects the earth from harmful UV radiation.
As a result, they have been phased out as refrigerants and other uses. However, the replacements for CFCs, such as hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs), are themselves greenhouse gases.
HCFCs and HFCs have shorter lifetimes in the atmosphere and lower global warming potentials than CFCs, which means that their effects on climate change are less severe.
While they are not ideal replacements, they are currently the best options available for many uses, and efforts are being made to find alternatives that are even less harmful to the environment.
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The liver cells of cats contain 48 chromosomes. After meiosis is complete, how many chromosomes are in the new daughter cells?
O 12
O 24
O 48
O 23
Answers
Answer:
Each daughter cell will have 12 chromosomes, half of the parent cell
Explanation:
Hope this Helps :)
1.Explain how the TATA box and transcription
factors work together to ensure that RNA
polymerase is transcribing the correct region of the
DNA molecule
Answers
Answer:
The TATA box is an alternating sequence of Adenine and Guanine nucleotides that transcription factors bind to. The TATA box is found just before a gene. The transcription factors tell the RNA polymerase where to bind to begin transcription. This ensures the RNA polymerase will know where to start and which gene to transcribe.
Explanation:
In eukaryotes, the TBP protein binds to the TATA box during the formation of the RNA pol complex, while transcription factors help to promote transcription.
The TATA box is a nucleotide (DNA) sequence located very proximal to the Transcriptional Start Site, within the promoter region of the eukaryotic genes.This sequence (TATA box) binds to a specific transcription factor known as the TATA Binding Protein (TBP), which is required during the formation of the RNA polymerase (RNA pol) transcriptional complex.Moreover, transcription factors are proteins that bind to different nucleotide sequences located at both the promoter and enhancer regions of genes, which are capable of promoting transcription.For example, basal (general) transcription factors bind to the promoter region of eukaryotic genes to induce the attachment of the RNA pol, which is required to initiate transcription.In conclusion, the TBP protein binds to the TATA box during the formation of the RNA pol complex, while transcription factors help to promote transcription.
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What is the large structure found in the middle of the plant cell that stores water, nutrients, or waste products?.
Answers
The large structure found in the middle of the plant cell that stores water, nutrients, or waste products is called the central vacuole.
The central vacuole is surrounded by a membrane known as the tonoplast and is filled with cell sap, a solution containing water, ions, sugars, pigments, and other substances. This organelle plays a vital role in maintaining cell turgidity, regulating osmotic balance, and storing important substances needed for cell functioning. By absorbing water, the central vacuole helps maintain the shape and rigidity of the plant cell.
It also acts as a reservoir for nutrients and waste products, allowing the plant to efficiently store and recycle resources. Additionally, the central vacuole can function as a defense mechanism by storing toxic compounds that protect the plant from herbivores and pathogens. Overall, the central vacuole is an essential organelle that helps support the overall structure and function of the plant cell.
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Which of these can be decomposed by a chemical change?
Answers
Answer:
B) CO
Explanation:
Chemical decompsition or breakdown is defined as the process in which a substance can be broken down into simpler compounds through chemical means.
CO or carbon monoxide can be decomposed by chemical change because it can be broken down into into carbon and oxygen.
While Co (cobalt), Cr (chromium), and Cu (coppoer) are present in its simplest form and can not be decomposed further.
Hence, the correct answer is "B) CO".
Explain the differences between the three ways of heat transfer, conduction, convection, and radiation.
Answers
Answer:
The differences between these three ways of heat transfer are that conduction is the transfer of thermal energy through direct contact, convention is the transfer of thermal energy through the movement of liquid or gas, and radiation is the transfer of thermal energy through thermal emission. As you can see, each way of heat transfer has a different way of moving through objects.
Hope this helps <3