What are three types of blood vessels?capsules
arteries
veins
capillaries
lung

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Answer 1

Answer: Arteries, Veins, and Capillaries

Related Questions

A (a) is a pure substance that cant be broken down into simpler substances by chemical or physical means a) element b) mineral c) chemical d) atom
Which of the following statements is true of the critical temperature of a pure substance?A. The critical temperature is the temperature above which the liquid phase of a pure substance can exist. B. The critical temperature is the temperature above which the liquid phase of a pure substance cannot exist. C. The critical temperature is the temperature below which the liquid phase of a pure substance cannot exist. D. The critical temperature is the temperature at which all three phases can coexist. E. The critical temperature is the temperature at which the pure substance reaches, but cannot go beyond, the critical pressure. Can someone explain this one?
How will an energy diagram look for an exothermic reaction?The reactants and products will be at the same potential energy. The reactants are at a higher potential energy compared to the products. The reactants are at a lower potential energy compared to the products. There will not be an activation energy barrier.
How do you find a Oxidation number
The bicycle is said to be the most energy-efficient means of transportation. Where does the energy that drives it come from?

As a consequence of the discovery of the nucleus by Rutherford, which model of the atom is thought to be true?Protons, electrons, and neutrons are evenly distributed throughout the volume of the atom.
Electrons are distributed around the nucleus and occupy almost all the volume of the atom.
The nucleus is made of electrons and protons.
The nucleus is made of protons, electrons, and neutrons.

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The answer is (B) Electrons are distributed around the nucleus and occupy almost all the volume of the atom.

As a consequence of the discovery of the nuElectrons are distributed around the nucleus and occupy almost all the volume of the atom.cleus by Rutherford, the model of the atom is thought to be true is

How is Carbon obtained and how is it separated from other substances nearby?

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Carbon is a naturally occurring element that can be obtained from various sources, both organic and inorganic. It is separated from other substances by Filtration, Distillation, and Chemical Reactions.

Carbon is the fourth-most abundant element in the universe and is a key component of all known life forms. Here are some common methods for obtaining and separating carbon from other substances:

Organic Sources: Carbon is a fundamental element in organic compounds, which are compounds containing carbon atoms bonded to hydrogen and other elements. Organic sources of carbon include:

Fossil Fuels: Coal, oil, and natural gas are rich in carbon. Carbon can be obtained from these sources through processes like combustion, pyrolysis, or gasification.

Biomass: Plant and animal matter, such as wood, leaves, and agricultural residues, contain carbon. Carbon can be extracted from biomass through processes like carbonization or fermentation.

Inorganic Sources: Carbon can also be obtained from various inorganic sources:

Carbonates: Minerals like limestone (calcium carbonate) and dolomite contain carbon in the form of carbonate ions. Carbonates can be thermally decomposed to release carbon dioxide gas, which can then be captured and processed.

Graphite and Diamond: These are naturally occurring forms of carbon. Graphite can be obtained from certain rocks and is used in various industrial applications. Diamonds, although much rarer, are another crystalline form of carbon.

Separation from Other Substances:

Filtration: If carbon is present in a solid mixture, it can be separated using filtration. A porous material (filter paper or a sieve) is used to separate solid carbon particles from other substances based on particle size.

Distillation: If carbon is mixed with liquids that have different boiling points, distillation can be used. The mixture is heated, and the component with the lower boiling point (liquid) vaporizes first, while carbon remains in the original container.

Chemical Reactions: Carbon can be separated from other substances through chemical reactions. For example, carbonates can be treated with acid to produce carbon dioxide gas, leaving behind other components.

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Answer:

Carbon products are obtained by heating coal (to give coke), natural gas (to give blacks), or carbonaceous material of vegetable or animal origin, such as wood or bone (to give charcoal), at elevated temperatures in the presence of insufficient oxygen to allow combustion.

Explanation:

What are the possible values of ml for an electron in a d orbital?

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The correct answer for the question that is being presented above is this one: "-2, -1, 0, 1, 2." The possible values of ml for an electron in a d orbital are -2, -1, 0, 1, 2. Since the allowed values for mℓ range from −ℓ to +ℓ, once you know the value for ℓ you know the values for mℓ."

Orbitals are the regions where the possibility of finding the electrons are the most. -2, -1, 0, 1, 2, are the possible values of ml for an electron in a d orbital.

What are quantum numbers?

The ml will be 2 for the d -orbitals and is defined by the principal quantum number or the magneticquantum number. It states the orientation of the orbital and ranges from – l ≤ ml ≤ l.

As, ml for d orbitals = 2, then, -2, -1, 0, 1, 2 are the possible values that ranges from -l to +l.

Therefore, -2, -1, 0, 1, 2 are the values of ml.

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Which element has the electron configuration [Xe] 6s2 4f14 5d10 6p2?

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The electron configuration of lead is [Xe] 6s2, 4f14, 5d10, 6p2 according to the Aufbau principle.

Draw the line structure for pentene

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Pentene is an alkene which means it has a double bond.
$C_(5)H_(10)$

Gaseous methane (CH₄) reacts with gaseous oxygen gas (O₂) to produce gaseous carbon dioxide (CO₂) and gaseous water (H₂O) If 0.391 g of carbon dioxide is produced from the reaction of 0.16 g of methane and 0.84 g of oxygen gas, calculate the percent yield of carbon dioxide.

Answers

Answer : The percent yield of $CO_2$ is, 68.4 %

Solution : Given,

Mass of $CH_4$ = 0.16 g

Mass of $O_2$ = 0.84 g

Molar mass of $CH_4$ = 16 g/mole

Molar mass of $O_2$ = 32 g/mole

Molar mass of $CO_2$ = 44 g/mole

First we have to calculate the moles of $CH_4$ and $O_2$ .

$\text{ Moles of }CH_4=\frac{\text{ Mass of }CH_4}{\text{ Molar mass of }CH_4}=(0.16g)/(16g/mole)=0.01moles$

$\text{ Moles of }O_2=\frac{\text{ Mass of }O_2}{\text{ Molar mass of }O_2}=(0.84g)/(32g/mole)=0.026moles$

Now we have to calculate the limiting and excess reagent.

The balanced chemical reaction is,

$CH_4+2O_2\rightarrow CO_2+2H_2O$

From the balanced reaction we conclude that

As, 2 mole of $O_2$ react with 1 mole of $CH_4$

So, 0.026 moles of $O_2$ react with $(0.026)/(2)=0.013$ moles of $CH_4$

From this we conclude that, $CH_4$ is an excess reagent because the given moles are greater than the required moles and $O_2$ is a limiting reagent and it limits the formation of product.

Now we have to calculate the moles of $CO_2$

From the reaction, we conclude that

As, 2 mole of $O_2$ react to give 1 mole of $CO_2$

So, 0.026 moles of $O_2$ react to give $(0.026)/(2)=0.013$ moles of $CO_2$

Now we have to calculate the mass of $CO_2$

$\text{ Mass of }CO_2=\text{ Moles of }CO_2* \text{ Molar mass of }CO_2$