Please help. Thank you:)

Answer: atomic nucleus

Explanation:

Answer:

The inputs of cellular respiration are glucose and oxygen. The outputs of cellular respiration are water, carbon dioxide

The input of cell systems share are glucose and oxygen. The output of cell systems share are carbon dioxide, energy and water.

The smallest unit that can sustain life on its own and makes up all living things, including the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The chemicals that enter and leave the cell are governed by the cell membrane, which encloses the cell.

The cell membrane, the nucleus, and the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibers and hundreds or even thousands of tiny, unique structures known as organelles can be found in the cytoplasm.

The system's inputs are the signals or data it receives, and its outputs are the signals or data it sends. As part of an activity, the phrase can also be employed; for example, to "perform I/O" is to carry out an input or output operation.

Thus, The input of cell systems share are glucose and oxygen. The output of cell systems share are carbon dioxide, energy and water.

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Explanation:

an ideal gas moves in constant, rapid motion

Answer:

d

Explanation:

the more movement the more energy

Answer:

b. a meadow replacing a pond in it's flood plain

Explanation:

I'ts a secondary succession.

Answer:

TRUE :)

Explanation:

blood is pumped through the pulmonary artery to the lungs, where it picks up oxygen and releases carbon dioxide.

Answer:

False

Explanation:

it takes it to tha lungs.

Answer:

The speed of oxygen production is bigger in the first attempt.

Explanation:

In the first attempt, since 75ml oxygen is produced in 3 minutes, the rate of oxygen production is r = volume of oxygen/time = 75 ml/3 min = 25 ml//min

In the second attempt, since 100ml oxygen is produced in 5 minutes, the rate of oxygen production is r' = volume of oxygen/time = 100 ml/5 min = 20 ml//min

Since r = 25 ml/min > r' = 20 ml/min, the speed of oxygen production is bigger in the first attempt.

Explanation:

element x _ carbon having two shells 2,3

element y _ fluorine atomic no 9 EC 2,7

when carbon react with fluorine it destroyes graphite and form fluorocarbons and thus form covalent bond

hope it helps u

The vapor pressure (in torr) of a 35°C solution : 52 torr

Given

x propanol = 0.75

P°ethanol=100 torr

P°propanol=36 torr

Required

the vapor pressure

Solution

Raoult's Law

P solution = xA.P°A +xB.P°B

x ethanol = 1- 0.75 = 0.25

Input the value :

P solution = 0.25 x 100 + 0.75 x 36

P solution = 25 + 27

P solution = 52 torr

Answer:

Well maybe the pedals they don't help much

Explanation:

Answer:

brainliest please

Explanation:

the pollen probably because other plants have it

Answer:

that was wrong my bad. just delete my answer

Explanation:

Atoms are combining to form molecules

The number of molecules in one mole of hydrogen gas is 6.02 × 10²³ . The number of molecules in 10 moles of hydrogen gas is then 6.022 ×10²⁴.

Any substance  that contains   6.022 × 10²³ number of atoms is called ne mole of that substance. This number is called Avogadro number. Hence, one mole of every elements contains Avogadro number of atoms.

Hydrogen  is the first element in periodic table. It is an alkali metal. The number of molecules  in one mole of H₂ is equal to Avogadro number. Mass of a molecule with one mole of amount is called its molecular mass.

Number of molecules of H₂ in one mole  =  6.02 × 10²³  

Then number of molecules in 10 moles is Avogadro  number times the number of moles.

= 10 × 6.022 × 10²³ =  6.022 ×10²⁴ molecules

Therefore, 10 moles of  H₂ contains  6.022 ×10²⁴molecules..

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Answer:The solution contains 0.50 mol or 55 g of CaCl2 . You know there are 2.0 mol of CaCl2 in 1 L of solution. (40.08 + 2 × 35.45) g=(40.08 + 70.90)

g=110.98 g

Explanation:

My I please have brainliest

110.98 grams of CaCl₂ is there present in 2.0 M CaC₂.

Calcium chloride is made up of calcium and chloride.

Given, that the solution contain 250 mL of 2.0 M CaCl2

You know there are 2.0 mol of CaCl2 in 1 L of solution.

(40.08 + 2 × 35.45) g

= (40.08 + 70.90)

=110.98 g

Thus, 110.98 grams of CaCl₂ is there present in 2.0 M CaC₂.

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Answer:

Pretty sure this is wrong but worth a shot

Explanation:

Ethyl Alcohol is a clear, colorless liquid with a wine-like odor. It is used in alcoholic . Do not rely on odor alone to determine ... This chemical is on the Special Health Hazard Substance. Ethyl Alcohol can affect you when inhaled and by passing through the Ethyl Alcohol may form an ignitable vapor/air mixture in.

Answer:true

Explanation:

Answer:

Not balanced. There are different number of atoms on each side of equation.

Explanation:

Given balanced chemical equation:

Chemical equation:

3C₂H₄ + 3O₂    →       4CO₂ + 6H₂O

The equation is not balanced because  umber of moles of C, H and O are not balanced. It consist of six moles of C, 12 moles of H and six moles of oxygen on left side of equation while on right side there are 4 moles of C fourteen moles of oxygen and twelve moles of hydrogen present.

Balanced chemical equation:

C₂H₄ + 3O₂    →       2CO₂ + 2H₂O

Now the equation became balanced. There are two moles of carbon, four moles of hydrogen and six moles of oxygen are present on both side of equation.

Answer:

bacterial cell plant cells dont have a tail

Explanation:

The type of cell shown in the diagram is the bacterial cell as plant cell do not have tails while bacteria have tail.

Bacteria are prokaryotic unicellular organisms. They have a relatively simple cell structure compared to eukaryotic cells. They also do not possess any membrane-bound organelles such as a nucleus. However, do they possess genetic material (DNA or RNA) in the intracellular space called the nucleoid.

Bacteria lack a membrane-bound nucleus and other internal structures and are therefore ranked among the unicellular life-forms called prokaryotes. Prokaryotes are the dominant living creatures on Earth, having been present for perhaps three-quarters of Earth history and having adapted to almost all available ecological habitats.

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Answer:

96 g

Explanation:

Tomando en cuenta que estamos hablando de una solución de Nitrato de potasio cuya concentración es 12% m/V, debemos entonces usar la expresión de %m/V:

%m/V = msto / Vsol * 100   (1)

De esta expresión, debemos despejar la masa de soluto (msto) que es precisamente el valor que estamos buscando. Al hacer el despeje tenemos:

msto = %m/V * Vsol / 100    (2)

Ahora solo nos queda sustituir los valores dados y resolver:

msto = 12 * 800 / 100

Espero te sirva.

Answer: A. B and C

Explanation:

I'm pretty sure this is right....

Have a great day :)

Answer: It is A,B. and C.= Add hot water to the tub.

Heat the water in the tub without adding more water.

Add more water at the same temperature to the tub.

Explanation: I got it correct.

Answer:

There is no place in the solar system that can sustain humans except earth. Earth is the only planet that can sustain humans according to what we know and according to the technologies we have. We can live in Mars but the environment might not be suitable for growing vegetation and it might be hard for humans to live in Mars.

Explanation:

Hope this helped!

Answer:

The reaction of an acid with a base is called a neutralization reaction. The products of this reaction are a salt and water.

Answer:

Neutralization reaction

Explanation:

Neutralization reaction it the reaction of acids and bases that form salt and water

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THANK YOU.

Answer:

thermal, I'm not 100% sure though.

Answer:

c. element

Explanation:

Because gold is its own element, a gold bar is only made of one element.

The smallest unit found in a bar of gold is the nucleus of its atom.  The core of an atom is called its nucleus which contains the nucleons protons and neutrons.

An atom is composed of  nucleons and electrons. The core of an atom is called its nucleus. Protons and neutrons are located inside the nucleus. They are called the nucleons.

The electrons are revolving around the nucleus through circular trajectories of fixed energies. Every elements are composed of their atoms. Atoms of different elements combine together to form compounds.

Gold is 79th element in periodic table. It is a transition metal in d-block. As every other elements the smallest unit are atoms where the atomic nuclei are even smaller units.

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Answer:

#1 A

#2 B

#3 C

#4 c

Explanation:

#1 can give reference to a mountain the higher the altitude the colder it will get

#2 talking about climate not seasons per say. focus on climate answers

#3 wind carry moisture from the sea on to land which cause precipitation

#4 Monsoons is correct

Answer:

radio waves are the sound waves that are produces by a radio

Explanation: