Explanation:
Volume of stock solution needed
= 10mL * (0.32M/0.8M)
= 10mL * (4/10) = 4mL.
Volume of water needed
= 10mL - Volume of stock solution
= 10mL - 4mL = 6mL.
The volume of water needed in this case will be equal to 6 ml.
What is the stock solution?To make a stock solution, weigh out the proper amount of a pure solid or measure out the proper amount of a pure liquid, put it in the right flask, and then dilute it to the desired volume. Depending on the intended concentration unit, many methods can be used to measure the reagent.
For instance, to make a solution with specified molarity, you weigh out the proper mass of the reagent, mix it with some solvent, and then add enough liquid to make the necessary volume. You measure out the right amount of solute and add enough solvent to get the right total volume to create a solution where the solute concentration is expressed as a volume percent.
A highly concentrated stock solution is frequently diluted to create solutions. The stock solution is moved to a new vessel and produced to a new volume at a known volume.
Here,
The volume of stock solution needed
= 10mL × (0.32M/0.8M)
= 10mL × (4/10) = 4mL.
The volume of water needed
= 10mL - Volume of stock solution
= 10mL - 4mL = 6mL.
Therefore the volume of water needed here is equal to 6 ml.
Read more about the stock solutions, here
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what vibrates as an electromagnetic wave passes by?
what is a white dwarf
Answer:
it is a category of star. our sun is a white dwarf
Explanation:
Question: Explain why you think taking care of the earth and its resources is more important than ever.
Pls pls pls, help me.
Answer:
i think that taking care of the earth important because the earth is where we live and if we do not take care of the earth we wont have a nice place to live
Please Helpp
Why would it be difficult for plan animal cells to make cell energy if there wasn't sunlight
8. A solution with a pH of 4 is MORE or LESS acidic than a solution with a pH of 2.
Answer:
a solution having pH 4 is less acidic as compared to a solution whose pH is 2.
Explanation:
the reason is more hydrogen ion in the solution provided by the 2 pH. in case of pH 4 free hydrogen ion concentration is low.
Over time, a tree that once had a total mass of
300 g increased in mass to 3000 kg. This increase
in mass comes mostly from
(1) carbon dioxide that enters through the leaf
openings
(2) oxygen that enters through the leaf openings
(3) soil that all plants need to grow
(4) chloroplasts that enter the roots and move to
the leaves
WHAT IS ITTTT
Answer:
carbon dioxide that enters through the leaf
openings
Explanation:
Describe the structure of DNA and how this structure allows DNA to carry out its function. (6 marks)
Answer:
DNA is someone's identity representing who they are, it helps people function through there daily lives
Explanation:
What are three tasks that DNA must be able to perform in all organisms? Select three answer choices.
A. It must store genetic information.
B. It must discard foreign genes.
C. It must instruct cells to produce needed molecules.
D. It must copy itself.
E. It must move to locations throughout the cell.
Answer:
A,C,and e i think sorry if i'm wrong
is narcolepsy recessive or dominant
Answer:
Recessive
Explanation:
Answer: Recessive
Explanation:
The immune system keeps the body stable by?
The immune response plays an important role in maintaining homeostasis by preparing the body to fight off infection, and to help the healing process. During infection, the immune system will cause the body to develop a fever and an increase in blood flow to bring oxygen and other immune cells to where the infection is.
HELP...ILL GIVE BRAINLIEST AND 50 POINTS
Based on the information in the stimulus materials, which of the following choices explains why domesticated horses and takhi horses have different body styles? Select two answers.
Select one or more:
A. Humans have been breeding the takhi horse for hundreds of years to exhibit certain traits.
B. The takhi horse has adapted to the environment of the Mongolian steppe.
C. The takhi horse has adapted tothe environment of captivity.
D. The takhi horse’s genes mutated in the 1960’s causing it to appear different than domesticated horses.
E. Humans have been breeding the domesticated horse over thousands of years to exhibit certain traits.
Answer:
I would say E and C
Explanation:
Hope this helps you :))
What cellular processes (2) are "hijacked" by the virus?
which of these are is a benefit of GMO's
Help please I will give brainliest
Answer:
Explanation:
1. The Troposphere is the First Layer, it contains where all the weather occurs
2. The Stratosphere, (2nd layer) has the Ozone Layer included
3. The Mesosphere is the coldest layer of the atmosphere
4. The Thermosphere gets the most Sun UV radiation
5. The Exosphere is where satellites orbit
Hope this helps!
What does pH mean? Simple explanation please
Answer:
it is a term in agriculture that shows that acidity or alkalinity of soil
Two amino acids are shown below.
a. What type of reaction links these two monomers together?
b. What molecule is released when the two monomers are linked?
Answer:
glutamine
Explanation:
because it has the amino acid
Which body system is MOST affected by a disease that causes the bones to become weak and brittle?
A) excretory
B) muscular
C) skeletal
D) nervous
Answer:
C
Explanation:
Osteogenesis imperfecta (OI), also known as brittle bone disease is a collection of genetic disorders that typically affect the bones. The term means imperfect bone formation. For people with this condition bones break easily, often from very light taps or with no reason at all.
Answer:
C - Skeletal
Explanation:
if darwin was to be alive today,what do you think will be his observation on evolution?
pls guys, I need this ASAP
Sedimentary rocks can be made of particles from which of the following?
-Sedimentary
-Metamorphic
-Igneous
-all of the above.
All of the above.
Sedimentary elements are made up of broken down particles from many different substances. Sedimentary rock forms when multiple particles lump together to make a larger particle until it becomes highly visible and large. For example,
The Mississippi River carries sediment from upstream (typically soil from the dryer parts of the USA) and that sediment gathers into levee's which help protect the coast of Louisiana and the Gulf of Mexico.
Hope this helps and have a nice day.
-R3TR0 Z3R0
Why is humus important?
A)
It increases soil porosity.
B)
It decreases soil acidity.
C)
It increases soil basicity.
D)
It decreases water movement.
determine the number of protons, neutrons, and electrons in an atom if given the atomic number and the mass number; also be able to determine in which electron shell the electrons will be found
Answer:
1.) the number of proton = number of electron = atomic number
2.) mass number = number of protons + number of neutrons
3.) number of neutron = atomic numbet - mass number
Explanation:
example:CARBON
atomic number - 6
mass number - 12
protons - 6
electrons - 6
neutrons - 6
How are photosynthesis and cellular respiration related?
A. The products of photosynthesis are the reactants of cellular
respiration
B. Cellular respiration is the process animals use to produce glucose,
while photosynthesis is the process plants use to produce
glucose.
C. Photosynthesis produces water molecules, while cellular
respiration splits water molecules apart.
D. Cellular respiration provides the energy for photosynthesis.
Answer:
I would say your answer for this question would be Option D: Cellular respiration provides the energy for photosynthesis.
Explanation:
Photosynthesis is the process by which plants use the energy from sunlight, carbon dioxide, and water and convert them into food, and Cellular resipration is the process by which organisms use oxygen to break down glucose and convert it to usable energy. That means that Option B can be crossed out, along with Option C. In Option A, the products of photosynthesis are not the reactants of cellular respiration, but rather the user of the energy that Cellular respiration provides. That means you can cross out Option A, and now you are left with Option D as your answer.
Answer:
A. The products of photosynthesis are the reactans of cellular respiration
Explanation:
took the test
Explain how the ocean affects human life through medicine, nutrition and the economy?
Answer:
Cures from the Deep
Explanation:
Many new marine-based drugs have already been discovered that treat some types of cancer, antibiotic resistant staph infections, pain, asthma, and inflammation.
A couple comes to a genetic councilor concerned about their chances of having a baby with Tay Sachs disease. The husband had a sibling die of the disease, which is inherited as a autosomal recessive trait. What are the chances that he is a carrier?
Answer:
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Explanation:
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The diagram below illustrates a natural Earth process through which the atmosphere
traps heat. Many scientists hypothesize that human activities are accelerating this
process, resulting in a global warming trend. What human activity is believed to have an
adverse effect on the natural process pictured here?
Answer: c. burning of fossil fuels.
Explanation:
Carbon Dioxide and other greenhouse gases like it are the reason some of the sun's heat is trapped in the atmosphere instead of leaving back into space. Any process which increase the amount of carbon dioxide in the atmosphere therefore can increase global warming.
One of the major human activities that involves releasing carbon dioxide is the burning of fossil fuels. We use fossil fuels for many things including producing electricity and driving. When this happens we release a lot of carbon dioxide into the atmosphere thereby making global warming worse.
consider the photo provided what is the photo representing and list two things you know about this process?
Can you guys please answer my question thank you❤️
Answer:
Nondisjunction (during meiosis in gametogenesis)
Explanation:
This is meiosis because we can see germ cells present, and the chromosome number is halved (typically) by the end of the process. This is nondisjunction because the sister chromatids/chromosomes are failing to separate properly during cytokinesis, causing improper amount of chromosomes in the germ cells. So on the left you have nondisjunction during meiosis II, because you have two cells with the proper amount of chromosomes after the first division. And on the right you have nondisjunction during meiosis I, because you have one cell with no chromosomes after the first division. The steps are as follows: 1 - Meiosis, 2 - Meiosis II, 3 - Fertilization, and 4 - Zygote (creation of).
not a question, just letting you know your website is terrible and should get deleted off the internet for good.
Answer:
what happened lol
Explanation:
Answer:
COMPLETELY AGREED
Explanation:
hope this helps
have a nice day/night
mark brainiest, please
:)
I am a rock entering a planet's atmosphere. *
A. Asteroid
B. Star
C. Meteor
D. Comet
Help help help help help help help help help
Answer:
1. Uniformitarianism.
2. Weathering
3. Erosion.
Explanation:
1. Uniformitarianism: The present is the key to the past. It is a theory which states that the natural processes and laws that are being experienced in the present have been operating in the past and as such applies to everything in the universe.
2. Weathering: the breakdown of rocks into sediments. Weathering can be defined as the physical and chemical breakdown of rock into smaller pieces called sediment. Weathering can be classified into two categories namely;
I. Physical weathering : it is the process of breaking rocks into pieces without affecting its chemical composition e.g temperature, abrasion and frost action.
II. Chemical weathering : it is the process of breaking rocks into pieces by chemical action which leads to changes in its chemical composition e.g carbonation, hydration, plant acid and oxidation.
3. Erosion: the process of transporting sediment to a new location. Erosion can be defined as a geological process which typically involves the wearing out of earthen (soil) materials and the transportation of these materials by natural forces like water, wind, etc. Soil erosion is greatest when the soil is steep.
Generally, the steepness of a body affects the rate at which other materials would flow or move around. Thus, the steeper a river or stream, the greater would be its rate of erosion.
Answer:
1. Uniformitarianism.
2. Weathering
3. Erosion.
Explanation:
1. Uniformitarianism: The present is the key to the past. It is a theory which states that the natural processes and laws that are being experienced in the present have been operating in the past and as such applies to everything in the universe.
2. Weathering: the breakdown of rocks into sediments. Weathering can be defined as the physical and chemical breakdown of rock into smaller pieces called sediment. Weathering can be classified into two categories namely;
I. Physical weathering : it is the process of breaking rocks into pieces without affecting its chemical composition e.g temperature, abrasion and frost action.
II. Chemical weathering : it is the process of breaking rocks into pieces by chemical action which leads to changes in its chemical composition e.g carbonation, hydration, plant acid and oxidation.
3. Erosion: the process of transporting sediment to a new location. Erosion can be defined as a geological process which typically involves the wearing out of earthen (soil) materials and the transportation of these materials by natural forces like water, wind, etc. Soil erosion is greatest when the soil is steep.
Generally, the steepness of a body affects the rate at which other materials would flow or move around. Thus, the steeper a river or stream, the greater would be its rate of erosion.
how does structure of dna relate to the process of replication and protein synthesis?