Scientists have determined that the pH of seawater can’t physically drop below approximately 7.9 because of its chemical properties. For this reason, some people argue that the term “ocean acidification” is not quite accurate. Do you agree? Explain your reasoning using the pH scale and these graphs showing the acidity trends in Bermuda, Hawaii, and the Canary Islands.
Answers
Due to the fact that a pH of 7.9 is still considered slightly alkaline, the term acidification can be misleading. However, as the graphs in these three locations show, as CO2 levels rise, the pH decreases, moving toward the acidic end of the pH scale.
How to illustrate the information?Ocean acidification occurs in different parts of the world. I disagree with the statement that "ocean acidification" is inaccurate because it occurred as a result of increased carbondioxide gas release in the atmosphere, which is dissolved in the ocean or sea water.
When carbondioxide gas is dissolved in water, it produces carbonic acid, which changes the pH of the ocean water, which tends to be acidic, so ocean acidification occurs in various parts of the world, in my opinion.
Many marine species are expected to suffer as a result of ocean acidification. This could have an impact on marine food chains and human food supply. Acidification may also reduce storm protection from reefs, tourism opportunities, and other intangible benefits.
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Related Questions
Which is the name of the group of spermatophytes that are cone-bearing plants?
A. Lycophytes
B. Bryophytes
C. Gymnosperms
D.angiosperms
Answers
Answer:
Gymnosperms
Explanation:
Gymnosperms produce both male and female cones, each making the gametes needed for fertilization; this makes them heterosporous. Megaspores made in cones develop into the female gametophytes inside the ovules of gymnosperms, while pollen grains develop from cones that produce microspores.
Gymnosperms are name of the group of spermatophytes that are cone-bearing plants. The correct option is C.
What are gymnosperms?In contrast to angiosperms, or flowering plants, whose seeds are encapsulated by mature ovaries or fruits, a gymnosperm is any vascular plant that propagates through a bare seed, or ovule.
Many gymnosperm seeds are borne in cones and are not visible until the plant matures.
Gymnosperms are a small class of plants that rarely flower and produce "bare seeds." This means that the seeds are produced on the reproductive structure's surface rather than within it, as in a fruit.
Gymnosperms are a spermatophyte plant group that includes cone-bearing plants.
Thus, the correct option is C.
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what is an example of the relationship between enzyme concentration and reaction rate
Answers
The enzyme concentration and reaction rate relationship in enzyme kinetics is defined as follows: According to the Michaelis -Menten equation, the reaction rate is proportional to the enzyme concentration up to a limit that is referred to as Vmax, the maximum rate of an enzyme-catalyzed reaction.
The graph below illustrates the relationship between enzyme concentration and reaction rate: Graph illustrating the relationship between enzyme concentration and reaction rate . As you can see in the graph, increasing the enzyme concentration increases the reaction rate, but only up to a certain point.
After this point, the reaction rate will plateau, indicating that the reaction has reached its maximum rate. Therefore, the maximum rate of an enzyme-catalyzed reaction is determined by the enzyme concentration, and it is independent of the substrate concentration.
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Why do roosters hibernate?
Answers
Answer:
The answer is
Explanation:
Roosters hibernate to escape the harsh seasonal variations as it cannot fly to different lands and is a flightless bird.
Hope this helps....
Have a nice day!!!!
8) This is the purpose for which something exists.
Answers
Answer:
the reason for which something exists or is done, made, used.
6. Answer the following analysis questions regarding the food webs for your ecosystem: a. If a great number of producers within the ecosystem died, how would this affect the numbers of the other organisms within the ecosystem? b. If all but a few tertiary consumers within the ecosystem died, how would this affect the numbers of the other organisms within the ecosystem?c. If many new plants and trees are introduced into the ecosystem, how will this affect the numbers of the other organisms within the ecosystem? d. If half of the primary consumers have a disease and die, how will this affect the numbers of the other organisms within the ecosystem?The chosen ecosystem: pondsPonds are a type of freshwater ecosystem that has shallow and slow-moving water (is lentic), and, because it's shallow, light can reach the bottom of it.Some organisms that we can find living in a pond are the following:Water liliesFrogsTurtlesFishGeeseDragonfliesAlgaeCyanobacteriaDucksWater snailDuck potatoEarthwormsMosquitosPond skaterNewtsMosquito fern/fairy mossDuckweedsWatersnakeSalamandersWater beetleProducers include water lilies and duck potato. Consumers include ducks, frogs, pond skaters, water beetles, water snails, fish, water beetles, water scorpion, dragonflies, mosquito, duckling, leech, newt, and tadpole.
Answers
We know that producers are those kinds of organisms that use the sunlight to grow, like plants, algae, and phytoplankton. At the same time these organisms increase their biomass, other organisms can feed up on them. Considering the A part of the question, if a great number of producers (like water lilies and duck potatoes) within the ecosystem dies, the number of other organisms within the ecosystem would decrease, since they wouldn't find any more resources for their survival, such as nutrients. Considering the B part of the question, if all but a few tertiary consumers within the ecosystem dies, the number of other organisms in the ecosystem would increase, especially the ones which they feed on, such as primary and secondary consumers. Considering the C part of the question, if many new plants and trees are introduced into the ecosystem, probably the number of the other organisms would increase, since they would use those new resources to do their activities, such as feeding and finding a couple. And considering the D part of the question, if half of the primary consumers have a disease and die, the number of primary producers would increase, due to the not-consumed resources, and the secondary and tertiary consumers would decrease in number, due to the unavailability of their preys.
Based on this diagram, do you think that organisms of the same order will share a stronger evolutionary relationship than
organisms that share only the same phylum? Explain your reasoning using the results of your investigation.
Answers
From the diagram above, I dont think that organisms of the same ordershare a stronger evolutionary relationship than organisms in the same phylum. This is because, after kingdoms, the subsequent categories of increasing specificity are: phylum, class, order, family, genus, and species. Levels in taxonomic classificationAt each sublevel in the taxonomic classification system, organisms become more similar.Organisms that share similar physical features and genetic sequences tend to be more closely related than those that do not. Scientists use a tool called a phylogenetic tree to show the evolutionary pathways and connections among living organisms. Phylogenetic treeA phylogenetic tree is a diagram used to reflect evolutionary relationships among organisms or groups of organismsTaxonomical classificationTaxonomy is the scientific study of naming, defining and classifying groups of living organisms based on shared characteristics. There are seven main taxonomic ranks: kingdomphylum ( in animals )or division ( in plants )classorderfamilygenusspecies.
What is a nucleosome
Answers
Answer:
A nucleosome is the basic structural unit of DNA packaging in eukaryotes.
Please help !!!!!!
I need some to calculate this for me.
Pro Tip 1: To calculate the % of cells at rest (in interphase), divide the number of cells in interphase by the total # of cells in the slide (cells in telophase may look like they are almost 2 cells, but you can still count them as 1).
# of cells in interphase ÷ total cells = % of cells at rest
Pro Tip 2: To calculate the % of cells dividing (or mitotic index), add up the cells in prophase, metaphase, anaphase and telophase. Divide that number by the total # of cells in the slide.
# of cells in PMAT ÷ total cells = % of cells dividing (or mitotic index)
Answers
Answer:
INTERPHASE PROPHASE METAPHASE ANAPHASE TELOPHASE % of Cells at Rest (interphase)
% of Cells Dividing (Mitotic Index)
Normal Lung
13 cells 2 cells 2 cells 2 cells 1 cell 65% 35%
Cancerous Lung 6 cells 5 cells 3 cells 3 cells 3 cells 30% 70%
Normal Stomach 10 cells 3 cells 3 cells 3 cells 1 cell 50% 50%
Cancerous Stomach 5 cells 5 cells 4 cells 4 cells 2 cells 25% 75%
Normal Ovary 9 cells 5 cells 3 cells 1 cell 2 cells 45% 55%
Cancerous Ovary 3 cells 6 cells 5 cells 3 cells 3 cells 15% 85%
Explanation:
The answers are also down below in the chart if that helps you better make sense of them.
There are 20 cells in each column, to find the ones at rest we simply take the first number in the column and devide it by the number of cells (in this case 20) once we find the percent of cells at rest, we subtract from 100 to see the cells deviding!
Hope this helps another student along the way! :)
Good luck with your studies and have a fantastic winter break!
This is a molecule of glucose, a simple carbohydrate. If this molecule were broken down, would it provide all of the elements needed to assemble lipids, nucleic acids, or proteins? Use evidence from the diagram in your answer.
Answers
Answer:
The correct answer is - no.
Explanation:
Carbohydrates are made up of thee elements carbon, hydrogen, and oxygen so if the carbohydrate is completely broken down it will release these elements.
Lipids are made up of similar elements as glucose however, they also contain sulfur and phosphorus. Similarly for proteins and nucleic acid nitrogen, nitrogen sulfur, and selenium other than the elements released by glucose.
Thus, the correct answer would be - no.
slight depolarization (increase in positivity) occurs at the top of the axon from the drifting. if strong enough, this will cause 1 ion channels to open. the influx of 2 ions causes the membrane to further depolarize. as this occurs, this will trigger the 3 ion channels to open, and it will flow 4 the cell. at the peak of the action potential, the 5 ion channels 6 . as 7 ions continue to leave the cell, the cell become hyperpolarized (more negative) and the cell enters what we refer to as 8 period. the membrane potential slowly returns to its 9 , which is 10 compared to the outside of the cell.
Answers
A slight depolarization (increase in positivity) occurs at the top of the axon from the drifting. If strong enough, this will cause sodium ion channels to open.
The influx of sodium ions causes the membrane to further depolarize. As this occurs, this will trigger the potassium ion channels to open, and potassium will flow out of the cell. At the peak of the action potential, the calcium ion channels open.
As potassium ions continue to leave the cell, the cell become hyperpolarized (more negative) and the cell enters what we refer to as a repolarization period. The membrane potential slowly returns to its resting potential, which is more negative compared to the outside of the cell.
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How is it possible that a family with the same genotypes as the Romanov’s have no children with hemophilia
Answers
Hemophilia is a genetic disorder caused by a mutation in the X chromosome. Females have two X chromosomes, while males have one X and one Y chromosome.
How to describe hemophilia ?Females who carry a mutated X chromosome have a 50% chance of passing it on to their offspring. Males who inherit the mutated X chromosome from their mother will have hemophilia, while females who inherit the mutated X chromosome will be carriers of the disorder.
In the case of the Romanov family, it is possible that the female members who carried the mutated X chromosome did not pass it on to their offspring. It is also possible that some of the male members who inherited the mutated X chromosome died before having children, or their children died before being diagnosed with hemophilia. Additionally, it is possible that some of the members of the family were misdiagnosed, or that there were other genetic factors that influenced whether or not someone developed hemophilia.
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Which of these waves have a greater amplitude?
1.
2.
3.
4.
Answers
Answer: number 1
Explanation: the higher the crest( the top) the higher the amplitude
Answer:
The answer to this question is:1
Explanation:
Because 1 has the lines reaching top and bottom line meaning it has a greater amplitude
When two mechanical waves have a displacement in the same direction, and they overlap,
what will the resulting wave look like?
Answers
When two mechanical waves have a displacement in the same direction, and they overlap, then the resulting wave would have a higher amplitude or displacement compared to the original waves. This is referred to as constructive interference.
Any position along the medium where the two interfering waves have a displacement in the same direction will experience constructive interference. Because both waves in this instance have an upward displacement, the upward displacement of the medium is higher than the displacement of the two interfering pulses. Any site where the two interfering waves are moved upward will exhibit constructive interference. But it can also be seen when the displacement of both interfering waves is downward. This is seen for two downwardly displaced pulses in the picture below.
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What characteristic do you have that you hope to pass on to your progeny? Why?
Answers
Characteristics found in germ lines are generally passed down to the next generation of offspring through sexual reproduction, whereas traits found in somatic cells are not.
What is the significance of the passing of traits?Traits, also known as characteristics, are generally passed on to the next generation as they are present on germ line cells, such that in the case of the male, they produce sperm so, the active genes on the sperm will express in the offspring, and in the case of the female, the active gene on the ovum will express in child.
Hence, characteristics found in germ lines are generally passed down to the next generation of offspring through sexual reproduction, whereas traits found in somatic cells are not.
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Mice have two forms of the gene for hair texture. Straight hair (H) is dominant to curly hair(h). They also have two forms of the gene that determines the length of their tails. Short tails(T) are dominant to long tails(t). What would be the genotype for a mouse that has curly hair and is heterozygous for tail length? Group of answer choices hhTt hhTT HHTt
Answers
Answer:
hhTt
Explanation:
The genotype for a mouse that has curly hair and is heterozygous for tail length is hhTt. The correct option is A.
What is a genotype?Genotype is the genetic material of an organism that is present in the nucleus of the cells of the organism. Its other name is allele or gene or variation.
Here, the mouse has two types of genes; Straight hair (H) is dominant and curly hair(h). They also have two types of genes for Short tails(T) are dominant to long tails(t).
So, the genotype of the mouse for curly hair h and heterozygous for the tail, which means it can be short or long, will be hhTt. hh, which represents the curly hair that is specified. And the T is for the short tail, and t is for the long tail. So it becomes heterozygous.
Thus, the correct option is A. hhTt.
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Please help me ASAP
*please write down what goes in the second blank
Answers
Krebs cycle occurs in the matrix of the mitochondria and requires oxygen.
What is Krebs cycle?Krebs cycle is a series of enzymatic reactions that occurs in all aerobic organisms. It involves the oxidative metabolism of acetyl units, and serves as the main source of cellular energy.
The Krebs Cycle is also called the citric acid cycle. After glycolysis breaks glucose into smaller 3-carbon molecules, the Krebs cycle transfers the energy from these molecules to electron carriers, which will be used in the electron transport chain to produce ATP.
Krebs cycle specifically requires the presence of oxygen to occur, hence, is termed an aerobic process.
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What's the correct term for the descriptions
Creates proteins:
Packages proteins:
Moves proteins to the correct regions of the cell:
Fortifies the cell shape:
Mostly made of water:
Microtubule, Cytosol, Golgi Apparatus, Rough Endoplasmic Reticulum, Lysosome, Ribosome
Answers
Creates proteins: Ribosome
Packages proteins: Golgi Apparatus
Moves proteins to the correct regions of the cell: Microtubule
Fortifies the cell shape: Cytoskeleton
Mostly made of water: Cytosol
Ribosomes are organelles that are responsible for creating proteins by assembling amino acids based on the information provided by messenger RNA (mRNA). They can be found in both prokaryotic and eukaryotic cells. The Golgi Apparatus is a stacked organelle that modifies, sorts, and packages proteins into vesicles for transport to their final destinations within the cell or for secretion outside the cell.
Microtubules are part of the cytoskeleton, which is a network of protein fibers that provide structural support and shape to the cell. Microtubules are responsible for moving proteins and other cellular components to the correct regions of the cell, and they also play a role in cell division. The cytoskeleton is the network of protein fibers that provide structural support and shape to the cell. It is responsible for fortifying the cell shape and helping the cell maintain its structural integrity.
The cytosol is the liquid portion of the cytoplasm, which is the gel-like substance that fills the cell. It is mostly made of water and contains various dissolved ions, molecules, and proteins that are essential for cellular processes.
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When you consider the present and/or past environment of Mars, could you find all the requirements for life?
Answers
Answer:
no
Explanl
l vidaal atiense
Select the photosynthetic molecule that gives halobacteria its unique color.
a.) Caratenoids
b.)Thylakoids
c.)Bacteriochlorophylls
d.)Bacteriorhodopsin
Answers
Answer:
Bacteriorhodopsin
Explanation:
Purple Halobacterium species owe their color to bacteriorhodopsin, a light-sensitive protein.
One hydrogen bond is _, but many hydrogen bonds are_
Answers
Answer:
\(\huge\mathfrak\pink{ur}\huge\fbox\green{answer}\)
The hydrogen bond is one of the strongest intermolecular attractions,
A single hydrogen atom can participate in two hydrogen bonds, rather than one. This type of bonding is called "bifurcated" (split in two or "two-forked"). It can exist, for instance, in complex natural or synthetic organic moleculesAnswer:
7
1
We usually get some questions about how many hydrogen bonds these compounds can create, we use it to differentiate between the boiling point of each one of them so it would be great if you could help me.
So what I know that H2O has 4 hydrogen bonds those are 2 from hydrogen atoms and 2 from other molecules that has 2 hydrogen atoms connected to the 2 lone pair of electron that the oxygen has.
In HF, It has 2 hydrogen bonds. The same explanation implies here. In NH3, 2 hydrogen bonds because N doesn't have the required amount of lone pairs to make more hydrogen bonds.
Explanation:
(100 POINTS PLEASE HELP!!!!)
Project Intro
For this project, your goal is to explain why your city has the climate it does based on the latitude of the city and how that affects the amount of heat it receives from the sun, the air masses that affect it, and any ocean currents that affect the area.
Directions
You are to choose a city from the list below.
You will use the knowledge you have gained in this unit to answer the 3 questions in this assignment. You MUST use scientific reasoning in your answers.
You will want to go through slides from our lessons to assist you in answering the questions.
You will need to find your city on a map to answer these questions properly. You may use the map in your science kit, or you can find a map on line.
Materials Needed
Map of North America – one is included in your science kit OR you may use one found online.
Helpful lessons: 1.04, 1.07, 1.11, 1.13. Use our class slides to help you find information. You may still need to research more information. Links to slides are found in the
Choose one city from the list below
Vancouver, Canada
Los Angeles, California
Miami, Florida
Albuquerque, New Mexico
Bismarck, North Dakota
Intro Information (Worth 3 points)
My city: ______
What is the latitude of your city? _______________
The sun’s heat does not warm the Earth evenly. Areas near the equator are the hottest, and the further away you get from the equator in either direction (north or south) the cooler it gets.
In your own words answer this: If 0º latitude is hot and 90º latitude is cold, would you predict the weather in your city to be relatively warm or relatively cool? Why?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Based on the latitude/location of your city answer the questions using complete sentences. Remember, weather is the day-to-day conditions of a place. Climate is the average weather conditions of a place over a period of years. You are to examine and discuss the climate of your city.
The Earth is unevenly heated by the sun due to the sun hitting some areas more directly than others.
How does that impact the temperatures in your city? (Worth 4 points)
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Large global wind systems are created by the uneven heating of the Earth's surface. These global wind systems drive air masses to areas creating different climates and weather patterns.
Which type of air mass would likely occur in your city? What type of weather would that bring? (air mass types: maritime polar, continental polar, maritime tropical, continental tropical) (Worth 4 points)
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Examine your city and the ocean currents in that area, if any. Is your city affected by ocean currents? ______________
If yes, explain how the ocean currents affect your city. If no, explain how ocean currents affect coastal cities. (Worth 4 points)
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Answers
Answer:
Look on the Internet, there are answer keys. But you need to change the writing because your teacher uses the same one.
Explanation:
Answer:all of them
Explanation:
Makes sense
Compare the growth of normal cells with and without growth factors.
Answers
Answer:
In contrast to normal cells, cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells, however not all changes cause cancer, they may be a result of it (:
Explanation:
hope this helped <3
2.5 Draw a labelled leaf and indicate the colour change in the green and white parts of the leaf, after the second starch test. (3) (14)
Answers
The leaf acquires a blue-black coloration in the green part after the starch test.
What is the iodine test for starch?The iodine-starch test is a chemical process used to detect the presence of iodine or starch.
Starch and iodine together produce a deep blue-black color.
To test a leaf for starch, a few drops of iodine solution are placed on a boiled leaf. If starch is present in the leaf, the iodine will react with the starch molecules and form a blue-black color complex. If starch is not present, the iodine will remain yellow or brown in color.
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The removal of which of the following organisms would most reduce the transfer of energy
from aquatic organisms to terrestrial organisms?
Answers
Answer:
Food chain and food webs
The most basic organization level of life is a ____________. A. membrane B. tissue C. cell D. organ
Answers
\(Hello\) \(There!\)
The answer is...
C. Cell.
Hopefully, this helps you!!
\(AnimeVines\)
Look at the diagram. What type of cell is shown by number 4?
Answers
Answer:
we cannot see a diagram
1. In Experiment 1, does adding an acid to a basic solution result in an acid or a base?
2. In Experiment 2, does adding an acid to a basic solution result in an acid or a base?
3. In which experiment is the acid added to a buffered base? How can you tell?
Answers
Acid and base are mixed to give salt and water. This process is exothermic in nature giving out heat called heat of neutralization which causes an increase in temperature.
So, these reactions can be explosive in nature when acid is added to any base and this raises the temperature of acid-base reactions.
HCl+NaOH→NaCl+H
"pH" is the negative of the logarithm of the hydrogen ion concentration, according to the simple Arrhenius definition of acids and bases. As a result, as the concentration of acid (hydrogen ions) increases, so does the pH value.
"Equal" acid-base ratios in solution require a more precise description. Varied concentrations in pure volumetric ratios can have extremely different equilibrium pH values.
If we interpret it as the common "equivalence point" where the acid and base components "neutralize," the resulting pH is in the "middle" - pH 7.0 - only when the acid and base are of equal relative strength in terms of dissociation, not concentration.
A strong base weak acid will have an equivalency point that is somewhat higher in pH than a weak base, strong acid.
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5. There is a layer of extrusive rocks in the diagram, how did it get there? What event happened?
Answers
Answer:Extrusive rock, any rock derived from magma (molten silicate material) that was ... By contrast, intrusive rocks are formed from magma that was forced into older rocks at ... Encyclopaedia Britannica's editors oversee subject areas in which they have ... from intrusive rocks on the basis of their texture and mineral composition
Explanation:
The presence of a layer of extrusive rocks is due to a single volcanic eruption and its presence in the middle of a rock formation may be because these rocks are younger than the surrounding rock formations.
What are extrusive rocks?The presence of a layer of extrusive rocks in the middle of a rock formation refers to the geological history of the area. These rocks are formed from lava that has been erupted from a volcano and cooled quickly on the Earth's surface followed by the cooling at the surface of the Earth. This suggests that a volcanic event has occurred in the area.
When a volcanic eruption occurs, lava is ejected from the volcano and flows onto the Earth's surface followed by its solidification into extrusive rocks which have fine-grained texture.
The presence of extrusive rocks in the middle of a rock formation may be due to a single volcanic eruption or these rocks are often younger than the surrounding rock formations.
Therefore, the presence of extrusive rocks is due to a single volcanic eruption and may be younger than the surrounding rock formations.
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Drag the tiles to the correct boxes to complete the pairs.
Match each form of energy to its description.
gravitational potential
Answers
Motion energy refers to the energy related to an object's movement. When an object is in motion, it possesses kinetic energy, which is a form of motion energy.
How to explain the energyThe matching will be:
motion energy = energy related to an object's movement
chemical energy = stored energy related to positions of atoms within molecules
thermal energy = energy of motion of particles in a substance
nuclear energy = energy released when a nucleus splits or combines
gravitational potential energy = energy related to height
sound energy = energy generated by vibration of a string
Chemical energy is stored energy that is related to the positions of atoms within molecules. It is the energy that can be released or absorbed during a chemical reaction. When chemical bonds are formed or broken, energy is either released (exothermic reaction) or absorbed (endothermic reaction) in the process.
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If the half life of an element was 430 years and you had 2000 atoms of this element, how long would it take to undergo complete radioactive decay? What year would it be when the element finished decaying?
Answers
part a.
it would take an estimated 2984 years for the element to undergo complete radioactive decay.
How do we calculate?N = N₀ * (1/2)\(^(^t ^/^ T^)\)
N = final number of atoms remaining
N₀ = initial number of atoms
T = half-life of the element
0 = 2000 * (1/2)^(t / 430)
(1/2)^(t / 430) = 0
log₂((1/2)= log₂(0)
(t / 430) * log₂(1/2) = log₂(0)
0.01 = (1/2)^(t / 430)
log₂(0.01) = (t / 430) * log₂(1/2)
t = log₂(0.01) * 430 / log₂(1/2)
t = 2984 years
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