Answer:
A bladder is like a balloon, because it holds urine, just like a balloon holds air. The urethra's function is to excrete urine from the human body.
Explanation:
A bladder and a balloon are similar, because it is the bladder which clasp urine, whereas a balloon clench air. The role of urethra is to eliminate urine from our human body.
What is bladder?The hollow organ which is in triangle shape and found in the lower abdomen just like a balloon is defined as the bladder. The urinary bladder is also known as a temporary reservoir of urine. Urine is reserved in the urinary bladder till it is removed out through the urethra.
As a result of the contraction of the wall of the urinary bladder, urine is eliminated from the body from time to time. The urine contains waste and extra fluid left over the body which has to be eliminated.
The bladder resembles the water balloon in that it holds urine in the similar way as the water balloon clench water. The water balloon pops when the amount of water exceeds than it can hold.
Thus the function of bladder and water balloon are found to be same.
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Help a person out please
Explanation:
here I haven't drawn the diagram but I have marked them where they will be .
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Black coffee has a pH of around 5. Since pH and pOH have an inverse relationship, black coffee has a pOH of ___.
Answer:
pOH = 9.
Explanation:
The inverse relationship between the pH and pOH of any given solution can be written as:
pH = 14 - pOH
Or conversely:
pOH = 14 - pH
With the above information in mind we can use the given pH to calculate the pOH:
pOH = 14 - pH
pOH = 14 - 5
pOH = 9
Thus, black coffee has a pOH of 9.
Solar power, natural gas, and wood are all nonrenewable energy sources
Both renewable and nonrenewable resources
how did wolves, whales, and the mystery fossil become so different from their ancestor populations
Explanation:
The differences between whales, wolves, and the Mystery Fossil may have evolved because the ancestors of each evolved in different environments. Populations can become separated into different environments. ... Over generations, two populations of the same species can become more and more different.
(view the image) explain your answer please
For the reaction 2H2 + O2 --> 2H2O, how many grams of oxygen are needed to react 3 moles of hydrogen?
Answer:
48 grams
Explanation:
The chemical equation for the reaction is the following:
2 H₂ + O₂ → 2 H₂O
That means that 2 moles of H₂ react with 1 mol of O₂ to produce 2 moles of H₂O. We convert the moles of oxygen (O₂) by using the molecular weight (MW) as follows:
MW(O₂) = 16 g/mol x 2 = 32 g/mol
mass of O₂ = 1 mol x 32 g/mol = 32 g
So, we have the following stoichiometric ratio: 32 g O₂/2 moles H₂. We have 3 moles of hydrogen (H₂), so we multiply the moles by the stoichiometric ratio to calculate how many grams are needed:
3 moles H₂ x 32 g O₂/2 moles H₂ = 48 g O₂
Therefore, 48 grams of O₂ are needed to react with 3 moles of H₂.
The process of heating oil to separate out its various components is called __
a. hydraulic fracturing
b. peak production
c. refining
d. decommissioning
e. enrichment
The answer is refining which is c
Plz someone help, really struggling
How many liters of carbon monoxide are needed to react with 32.65 g oxygen gas to produce carbon dioxide?
Answer:
2.040 mol CO
Explanation:
First, write out your reaction:
CO + O2 --> CO2
Balance the reaction:
2CO + O2 --> 2CO2
Now divide the 32.65 g O2 by the molar mass of O2 (32.00 g/mol) to get moles of O2. Then multiply by the mole ratio of 2 mol CO for every 1 mol O2 to get moles of CO needed to fully react.
32.65 g O2 / 32.00 g/mol = 1.020 mol O2
1.020 mol O2 • 2 mol CO / 1 mol O2 = 2.040 mol CO
Why do you think the same color M&M was used in each sample of water?
Answer:
The candy coating is made up of coloring and sugar. The coloring and the sugar molecules both have positive and negative charges on them. The water molecule has positive and negative charges so it can attract and dissolve the color and sugar pretty well.
Explanation:
go to https://www.acs.org/content/acs/en/education/whatischemistry/adventures-in-chemistry/experiments/dissolving-m-ms.html#:~:text=The%20candy%20coating%20is%20made,color%20and%20sugar%20pretty%20well.
Which statement describes the process of wind erosion?
It makes the edges of a rock more jagged over time.
It moves rock particles from one place to another.
It significantly decreases the size of the rock or boulder.
It blows soil around so that cliffs are much more stable. PLS HELP ASAPPPP
Answer:
...
Explanation:
Answer:
A. It makes the edges of the rock more jagged over time.
Explanation:
Abrasion makes rocks with sharp or jagged edges smooth and round. If you have ever collected beach glass or cobbles from a stream, you have witnessed the work of abrasion.
Using the periodic table, determine the number of PROTONS for the element Li
What’s the easiest way to add energy to matter
Answer:
The easiest way is to heat matter which raises its internal energy andso the mass as well. Another possibility is to accelerate matter as in case of protons or heavy ions in the LHC, Protons ,for example , are accelerated to the energies of 6500 GeV which means increase of the rest mass by a factor of almost 7000
Describe the different energy levels of electrons in an atom.
Answer:
Explanation:
If it is at a higher energy level, it is said to be excited, or any electrons that have higher energy than the ground state are excited. They are then called degenerate energy levels.
PLEASE HELO DOES ANYONE KNOW THE RIGHT ANSWER ??
Answer:
the last one because matter is the amount of space
7. Cells often store materials like water, salts, proteins and carbohydrates in sac-like structures called A. Chloroplasts. B. Lysosomes. C. Mitochondria. D. Vacuoles.
Answer:
A
Explanation:
the chloroplast holds the water , nutrients
Answer:
[tex]\boxed {\boxed {\sf D. \ Vacuoles}}[/tex]
Explanation:
First, let's examine each answer choice.
A. Chloroplasts
These structures are only found in plant cells. They are the site of photosynthesis: the process that turns water, carbon dioxide, and light energy into glucose and oxygen.B. Lysosomes
These help remove and break down cellular waste. They contain special enzymes that allow them to digest certain molecules, bacteria, and old parts of the cell.C. Mitochondria
These are famously known as the powerhouse of the cell. They create energy from glucose and oxygen in a process called cellular respiration.D. Vacuoles
Vacuoles are sacs that store substances, including water, nutrients, and waste.Since the question asks us to pick the sac-like structures that store materials in cells, choice D: vacuoles is correct.
If 12 moles of Al2O3
are produced, how many moles of aluminum reacted?
Answer:
if 12 moles are produced then it came 24 moles of Al(OH)3
Explanation:
The number that is written in front of the molecule is called stoichiometry, represents the number of mole of that molecule. 12 moles of [tex]Al_{2}O__{3}[/tex] is produced by 24 mole of Aluminum.
What is stoichiometry?Stoichiometry is a part of chemistry that help us in making relationship between reactant and product from quantitative aspects. It tells about how much part of reactant will be required to produce particular product. Unitary method is always applied in case of stoichiometry chemistry.
The balanced equation is
[tex]4Al+3O_{2}\rightarrow 2Al_{2}O__{3}[/tex]
The mole ratio between [tex]Al_{2}O__{3}[/tex] and Al is 2:4, means to produce 4 moles of [tex]Al_{2}O__{3}[/tex] we need 2 moles of Aluminum
4 mole of [tex]Al_{2}O__{3}[/tex]= 2 moles of Aluminum
1 mole of [tex]Al_{2}O__{3}[/tex]=(1÷2) moles of Aluminum
12 moles of [tex]Al_{2}O__{3}[/tex]= 24 mole of Aluminum
Therefore 12 moles of [tex]Al_{2}O__{3}[/tex] is produced by 24 mole of Aluminum.
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Researchers are confident that they can boost suberin production by this many times? This is for science btw
Fusion:
Requires high temperatures
Occurs in the sun and other stars
Creates less radioactive waste than fission
All of the above
How are molecules, compounds, and substances related?
Answer:
Molecule is the general term used to describe any atoms that are connected by chemical bonds. Every combination of atoms is a molecule. A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds.
Explanation:
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A sample of a gas in a balloon has a volume of 4.20 L and temperature of 48.2 °C. Calculate the volume when
the temperature is lowered to 15.4°C at constant pressure.
a. 3.77
b. 4.20
c. 1.34
d. 13.15
e. 4.68
Answer:
V1/T1=V2/T2
4.20L/321.2K=x/288.4K
multiply both side by 288.4
1211.28/321.2=x
x=3.77L
Option 3 13.15 is the correct answer.
What is Charles law?Charles's law exists as an experimental gas law that explains how gases tend to expand when heated. A modern statement of Charles's law exists: When the pressure on a sample of a dry gas exists held constant, the Kelvin temperature and the volume will be in direct proportion.
According to Charles law
The volume occupied by a fixed amount of gas is directly proportional to its absolute temperature, if the pressure remains constant.
[tex]V1/T1=V2/T2[/tex]
Where,
[tex]V1[/tex]= first volume
[tex]V{2}[/tex] = second volume
[tex]T{1}[/tex] = first temperature
[tex]T{2}[/tex]= second temperature
Here, at constant pressure,
[tex]V1/T1=V2/T2[/tex]
[tex]V1[/tex]=4.20 L
[tex]V2[/tex]= x
[tex]T1[/tex]=321.2 K
[tex]T2[/tex]=288.4 K
Therefore, [tex]V1/T1=V2/T2[/tex]
4.20L/321.2K=x/288.4K
1211.28/321.2=x
x=3.77L
Thus option a is correct.
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PLEASE HELP NO LINKS OR FILES
You have to use the words that are in red to describe the wave.
Answer:
Rise surface fall surface rise
Explanation:
Hope this helps!
can somebody explain two dimensional gas chromatography in arson investigation
Answer:
Comprehensive Two-dimensional gas chromatography, or GCxGC is a multidimensional gas
What is missing from the solubility graph shown on the right? A graph with temperature in degrees Celsius ranging from 0 to 100 in units of 20 on the horizontal axis and unidentified tick marks from 0 to 300 in increments of 50 on the vertical axis. An orange line curves upward from 0, 90 through 50, 125 to 100, 245.
Answer:
graph title, label for the y axis, and legend explaining the orange and blue colors
Explanation:
Explain why a change to the green-leaf population caused the wee-bug population to change in size?
Answer:
If there are fewer births than deaths, then the size of the population will decrease. Organisms in consumer populations get energy storage molecules from eating organisms in resource populations. The more energy storage molecules available to a population, the more the organisms in that population can reproduce.
A change to the green-leaf population caused the wee-bug population to change in size because wee-bug depends upon green leaves for their food.
What is the population?It is a group of organism of the same species living in a particular area.
The increase or decrease in the population of organisms depends upon factors such as available resources and predator population.
The green leaf is the food resource for wee bugs hence if the green leaf population increase then the wee bug's population will also be increased.
Therefore, a change to the green-leaf population caused the wee-bug population to change in size because wee-bug depends upon green leaves for their food.
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How many grams of carbon are found in
3.50 atoms of carbon?
Answer:
140
Explanation:
there is 140 grams in 3.5 atoms of carbon
At archery practice, Vladimir tests a bow and arrow he has recently designed. He is able to accelerate a 24.0-g arrow at an average rate of 70.0 m/s^2. What is the bows average force on the arrow
Answer: A
1.68 N
Explanation:
F = ma = 0.024(70.0) = 1.68 N
The volume of a gas is 550 mL at 960 mm Hg and 200.0 C. What volume
would the pressure of the gas be 830 mm Hg if the temperature is reduced
to 150.0C? Make sure your answer is rounded to nearest whole number
and your final answer has the units of mL. *
Answer:
The volume will be 568.89 mL.
Explanation:
Boyle's law says that "The volume occupied by a given gaseous mass at constant temperature is inversely proportional to pressure"
Boyle's law is expressed mathematically as:
Pressure * Volume = constant
or P * V = k
Gay-Lussac's law indicates that when there is a constant volume, as the temperature increases, the pressure of the gas increases. And when the temperature is decreased, the pressure of the gas decreases. That is, the pressure of the gas is directly proportional to its temperature. Gay-Lussac's law can be expressed mathematically as follows:
[tex]\frac{P}{T}=k[/tex]
Where P = pressure, T = temperature, K = Constant
Finally, Charles's law indicates that as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases. In summary, Charles's law is a law that says that when the amount of gas and pressure are kept constant, the quotient that exists between the volume and the temperature will always have the same value:
[tex]\frac{V}{T}=k[/tex]
Combined law equation is the combination of three gas laws called Boyle's, Charlie's and Gay-Lusac's law:
[tex]\frac{P*V}{T} =k[/tex]
Studying an initial state 1 and a final state 2, it is fulfilled:
[tex]\frac{P1*V1}{T1} =\frac{P2*V2}{T2}[/tex]
In this case:
P1= 960 mmHgV1= 550 mLT1= 200 C= 473 K (being 0 C=273 K)P2= 830 mmHgV2= ?T2= 150 C= 423 KReplacing:
[tex]\frac{960 mmHg*550 mL}{473K} =\frac{830 mmHg*V2}{423 K}[/tex]
Solving:
[tex]V2=\frac{423 K}{830 mmHg} *\frac{960 mmHg*550 mL}{473K}[/tex]
V2= 568.9 mL
The volume will be 568.89 mL.
We can predict that summer will follow spring. T or F
Answer:
T
Explanation:
What is happening when an oxygen molecule is formed from two separate oxygen atoms?
Answer:
They form a double bond
Explanation:
Zach invited his friend Sydney to a pool party over the weekend. Sydney informed Zach that the climate was supposed to be rainy over the weekend and suggested that he change his plans. Zach explained to Sydney that she had misused the word “climate” and she should have used the word “weather” instead. Which of the following statements accurately clarifies the confusion between Zach and Sydney?
A). Zach is correct; the weather for this area is typically tropical and wet.
B). Sydney is correct; there has been an abundance of rainfall within the last month, changing the climate of this particular area.
C). Zach is correct; the climate of an environment is determined by patterns in weather conditions over an extended period of time.
D). Sydney is correct; the climate of an environment can change constantly based on weather, wind, and front patterns in the area.
Answer:
C
Explanation:
Common sense