Answer:
2
Explanation:
Each orbital can hold two electrons. One spin-up and one spin-down.
Hello, could you help me to answer this question. Thank you very much, it would save me!
Answer the question, "Why is it best to put subscripts next to the symbols in the density and solubility formulas?"
The number of atoms of each kind is indicated by a subscript following the atom. If there is only one atom, no number is written. If there is more than one atom of a specific kind, the number is written as a subscript following the atom.
In your own words, explain how gametes (the cells made for sexual reproduction) differ from normal body cells.
Write your response below.
Answer:
gametes have to become haploid - they have to reduce their genetic material to a single copy, while somatic cells are diploid
Explanation:
1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
what willl happen if we nuke the sun some how
Answer:
The sun'll likely absorb the radiation if it is close enough (Which it will never be)
Explanation:
PLSSS ANSWERRRRRR
Ligers are a cross between lions and tigers. They exist only in zoos because lions and tigers do not live together in the wild.
Which is a reason why lions and tigers are considered separate species?
a.Lions and tigers do not look alike.
b.Ligers cannot reproduce.
c.Lions and tigers cannot reproduce.
d.Ligers are found only in zoos.
Answer:
They cannot reproduce
Which group of elements is not usually reactive with any other elements?
A. metaloids
B. plastics
C. noble gases
D. metals
Answer:
Noble gases
Explanation:
Noble gases are usallly unreactive.
Answer:
Nobel gases
Explanation:
In an electrical wire, if instead of copper, plastic wire is used. Would it conduct electricity?Justify your answer.
Answer:
No, a plastic wire would not conduct electricity. This is because plastic is an insulator that does not allow electric current to flow through it. In a wire, electrical conductivity is provided by the movement of charged particles - typically, electrons. Copper is an excellent conductor of electricity because it has a high number of free electrons that are not bound to atoms and can move through the wire very easily. However, in a plastic wire, the tightly bound electrons of its atoms do not allow for the free flow of charges, thus preventing the passage of electric current.
is tin IV cyanide ionic or covalent
Answer:
ionic
Explanation:
You dissolve 0.37 g of potassium chloride (KCI) in 500 mL of water.
What is the molarity of the solution?
Use a periodic table.
0.01 M
0.05 M
0.1 M
0.5 M
Answer:
A. 0.01 M
Explanation:
Molar mass (KCl) = 39.1 + 35.5 = 74.6 g/mol
0.37 g KCl * 1 mol/74.6 g = 0.004960 mol
500 mL = 0.5 L
Molarity = mol solute/L solution = 0.004960 mol/0.5 L = 0.01 M
Answer: 0.01 M
Explanation:
Molarity is moles of solute/liters of solution.
To find moles, we need to convert 0.37 g of KCl into moles.
30.098g/mol K + 35.45 g/mol Cl = 65.548 g/mol KCl
\(0.37 g*\frac{mol}{65.548g} =0.00564 mol\)
Now that we have moles, we need to convert 500 mL to L.
500 mL = 0.5 L
With our moles and liters, we can find molarity.
\(\frac{0.00564mol}{0.5L} =0.011289M\)
Significant figures is important. Our answer should be 0.01 M.
why did the skater go fast at point B
The skater went down the hill which increased his speeed and it caused him to go fast at point b.
Explanation:
hope this helps.
Would the car be able to travel all the way through the track of the roller coaster shown below? Why or Why not?
Yes, because there is enough Potential Energy at Point 1 to make it all the way through point 5.
Yes because there is enough Kinetic Energy at Point 1 to make it all the way through point 5.
No because there is not enough Potential Energy at Point 1 to make it all the way through point 5.
No because there is not enough Kinetic Energy at Point 1 to make it all the way through point 5.
Answer:
No because there is not enough Potential Energy at Point 1 to make it all the way through point 5.
Explanation:
Answer:
So first its common sense lol. So of course it would be enough Potential energy to go up excample like a bow-n-Arrow it goess up then down because of Gravity!!!!
Hope this hellped even though someone else said the same answer XD
What are the oxidation numbers for groups 1-18 (skip groups 3-12)
Pls help!!! ILL GIVE BRAINLIEST, 70 points + 10 more if not plagiarized ty ty (also for those who scam and do it for the points will be reported)
Answer:Pls help!!! ILL GIVE BRAINLIEST, 70 points + 10 more if not plagiarized ty ty (also for those who scam and do it for the points will be reported)
Explanation:
NO LINKS
air contains about 78% nitrogen and 21% oxygen. Based on this information, one can conclude that air?
A.is a pure substance.
B. is a mixture of at least two gases.
C. consists of different states of matter.
D. consists of components that are chemically joined.
Less than 3 percent of water on Earth is freshwater found in rivers, lakes, and streams with most of the freshwater frozen in ice caps and glaciers. Freshwater is the only type of water that people and other land animals are able to drink to survive.
True
False
Which of the following problems would be a direct result of humans building along the ocean shore zone?
A. the erosion of the sand and soil from the shoreline
B. sand dunes and vegetation being disturbed
C. the movement of sand from one place to another
D. sand being washed away over long periods
Answer:
I think it is B.
Explanation:
The erosion of the sand and soil from the shoreline would be a direct result of humans building along the ocean shore zone. When humans build structures along the shoreline. This can lead to increased erosion of the shoreline and loss of the beach.
Building along the ocean shore zone can have several impacts on the natural environment. One of the direct impacts is the erosion of the sand and soil from the shoreline. This occurs because construction can disrupt the natural processes that maintain the beach, such as the movement of sand and the protection provided by vegetation.
For example, building seawalls or other structures can prevent the natural movement of sand and sediment along the beach. This can lead to erosion of the shoreline, as the sand is no longer able to accumulate in areas where it is needed to protect the shoreline. These plants help to hold the sand in place and protect the beach from erosion.
To learn more about erosion please visit-
https://brainly.com/question/30587260
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How are some mutations similar? Provide examples.
Answer:
Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment. They can also appear spontaneously during the replication of DNA. Mutations generally fall into two types: point mutations and chromosomal aberrations. In point mutations, one base pair is changed. A single mutation can have a large effect, but in many cases, evolutionary change is based on the accumulation of many mutations with small effects. Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious.
Have an awesome day friend! <3
Answer:
What is mutation and examples?
Resulta ng larawan para sa How are some mutations similar? Provide examples.
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
Explanation:
Candice did an experiment where wondered if temperature affects how cheese molds. She put a piece of cheese next to a different heat lamp and then measured how much mold was on each cheese. What is the DEPENDENT variable?
A dog is exposed to radiation and it caused damage to a cell’s DNA. This genetic change results in the controls on mitosis not working. Which one of the following is most likely to occur after this damage?
Responses
An infection in the blood spreads results in sepsis ,
A blood clot stops oxygen to the heart, causing a heart attack,
Cells produce new versions of a virus to allow it to spread throughout the body
The cell dividing rapidly and creating a cancerous tumor
I suppose the last option to be correct.
Answer:
The cell dividing rapidly and creating a cancerous tumor
Explanation:
How can you increase the amount of energy in a wave?
Explanation:
One is amplitude, which is the distance from the rest position of a wave to the top or bottom. Large amplitude waves contain more energy. The other is frequency, which is the number of waves that pass by each second. If more waves pass by, more energy is transferred each second.
Answer:
The higher the amplitude, the higher the energy. To summarise, waves carry energy. The amount of energy they carry is related to their frequency and their amplitude.
Which statement explains the difference in chloroplasts between the two types of plant cells?
A.
The leaf cells have larger chloroplasts because leaf cells need more support and a stronger structure.
B.
The root cells have smaller chloroplasts because root cells do not need to store food and water.
C.
Unlike the leaf cells, the root cells have no chloroplasts because root cells do not need to produce or use energy.
D.
Unlike the root cells, the leaf cells have many chloroplasts because leaf cells produce sugars for the plant.
Answer:
A
Explanation:
I think it a because it seems more like the right answer
What type of plate boundary is shown below?
Answer:
B. Convergent Boundary
What is the charge on the Cr in Cr2O72-
Answer:
+6.
Explanation:
So, a chromium atom here has an oxidation number of +6.
A small gap is left between the rails in the railway track. Analyze the reason.
Answer:
There could be several possible reasons for a small gap between rails on a railway track, such as:
1. Expansion joints: Railways are designed to allow the tracks to expand and contract with changes in temperature. To accommodate this expansion, small gaps are left between the rail ends and filled with expansion joints or plates.
2. Wear and tear: Over time, the rails may experience wear and tear due to heavy loads, weather conditions, and other factors. As a result, small gaps can appear between the rails.
3. Maintenance: During maintenance activities, rail tracks may be adjusted or replaced, which could lead to small gaps between the rails.
4. Environmental factors: Environmental factors such as soil shifts, earthquakes or other natural disasters can also affect the alignment of the rails, leading to small gaps.
These are some of the possible reasons for a small gap between the rails on a railway track.
Answer:
The small gap left between the rails in a railway track is intentional and serves a specific purpose. This gap is known as the rail joint, and it allows for the expansion and contraction of the rails due to changes in temperature. When the temperature changes, the metal rails will expand or contract, and if they were joined together tightly, they could buckle or become deformed, which could be dangerous for trains passing over them. The rail joint allows the rails to move slightly and prevent damage to the track.
Additionally, the rail joint also allows for maintenance and repairs of the track. If there were no gap between the rails, it would be challenging to replace a damaged rail or perform routine maintenance, such as tightening bolts or lubricating joints. With the rail joint, maintenance personnel can easily access and work on the track.
Overall, the small gap left between the rails in a railway track is intentional and serves a crucial function in ensuring the safety and reliability of the track.
What was the low temperature for hurricane Katrina?
Answer: 90 degrees F
Explanation:
please answer the question
this is a very hard question
The Earth's Layers
Options
Inner Core
Outer Core
Lithosphere
Mantle
Oceanic Crust
Asthenosphere
Continental Crust
Continental Crust,Mantle,Oceanic Crust,Outer Core
how can you determine if the information you are reading is based on science or not?
help pls i will give brainlest
Answer: its 5ft tall and 12 inches
Explanation:
Please answer this correctly,,, This is a huge part of my grade. And who ever answers correctly will get brainliest!
Answer:
I belive it's the black chair because they were asking which chair experienced the most force in the begining and the black chair had the most force given.