The density of blood plasma is 1. 03 g/mL. How many pounds of blood plasma are there is 3200 mL of blood plasma?

The process which is best described by "A" in this Venn diagram is: C. fusion of atoms.

Nuclear fusion can be defined as a type of nuclear reaction that involves joining or combining two (2) smaller nuclei of atoms, so as to form a single heavier nucleus accompanied with the release of energy.

Based on the Venn diagram in the image attached below, we can logically deduce that the process which is best described by "A" is fusion of atoms.

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The equilibrium molarity HPO²₄- = 6.2 x 10⁻⁸M See the explanation below.

The molar concentration of a certain species in a solution is known as equilibrium molarity.

The initial concentration H₃PO₄ = 0.31 M

Kₐ₁ = 6.92 x 10⁻³ (See Image 1 attached)

Kₐ₁ = [H⁺][tex]_{eq}[/tex][H₂PO₄-][tex]_{eq}[/tex] / [H₃PO₄][tex]_{eq}[/tex]

6.92⁻³ x 10 = [(x) * (x)] / (0.31 M - x)

Solving for x, x = 0.043 M

[H+] = x = 0.043 M

[H₂PO₄-] = x = 0.043 M 0.0429805

Kₐ₂ = 6.2 x 10⁻⁸

See the second attached table

Kₐ₂ = [H+][tex]_{eq}[/tex] [HPO₄²-]eq / [H₂PO₄-]eq

6.2 x 10⁻⁸ = [(0.043 M + x) * (x)] / (0.043 M - x)

Solving for x, x = 6.2 x 10⁻⁸ M

[H₂PO₄-]eq = x = 6.2 x 10⁻⁸ M

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Answer:

Carbon- A burnt piece of toast is covered in this element. It is the fourth most abundant element and makes up many living things.

Magnesium- Which element is a member of the alkaline earth metals and has 12 neutrons?

Neon- Which element is an inert gas found in group VIII that produces a red glow in lights?

Acetate and hydrogen gas (H2) is never abundant in aerobic soils and sediments because they are tiny, highly reduced molecules that many bacteria that breathe oxygen and nitrates quickly absorb to use as fuel for energy generation. 

Hydrogen is a substrate for methanogenic archaea and, along with acetate, one of the most significant intermediates in the methanogenic breakdown of organic materials. Numerous methanogenic environments exhibit contributions of H₂ to CH₄ production that are both significantly lower and significantly higher than is considered usual. H₂ is rapidly converted in methanogenic settings due to the simultaneous generation by fermenting and syntrophic bacteria and consumption by methanogenic archaea.

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Cesium Sulfite is formed from the Cs cation and the SO₃⁻² anion. The correct formula for this compound is Cs₂SO₃.

Cations are positively charged ions. It forms when an element lose one or more electrons.

Anions are negatively charged ions. It form when an element gains one or more electrons.

Symbol         Cs⁺¹         SO₃⁻²

Valency           +1              -2

Formula of the compound is Cs₂SO₃.

Thus from the above conclusion we can say that Cesium Sulfite is formed from the Cs cation and the SO₃⁻² anion. The correct formula for this compound is Cs₂SO₃.

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Answer:

b c

Explanation:

right

Answer:

it was A C for me

Explanation:

Answer:

73.68 J

Explanation:

To find the energy absorbed by nickel, you need to use the following equation:

Q = mcΔT

In this equation,

-----> Q = energy (J)

-----> m = mass (g)

-----> c = specific heat (J/g°C)

-----> ΔT = change in temperature

The change in temperature is found by subtracting the initial temperature from the final temperature. You can plug the given values into the equation and simplify to find the energy absorbed.

m = 10.0 g

c = 0.120 J/g°C

ΔT = 63.4 °C - 2.0 °C = 61.4 °C

Q = mcΔT

Q = (10.0 g)(0.120 J/g°C)(61.4 °C)

Q = 73.68  J

Answer: The atoms of the solid products are tightly packed whereas those in gas are loose.

Explanation:

Atoms in the solid structure are linked to each other by strong force of attraction and they collectively form an three-dimensional structure. The binding of the atoms form the shape of the solid product. The gas exhibit free atoms in it. The atoms are not linked to one another by strong force of attraction. The atoms as a part of gas have higher energy as those present in the solid products. So, the atoms of the gas wander freely as compared to those in the solid products.

Answer: i am not sure what you mean but here are some product of xenon stroboscopic lamps, photographic flash lamps, high-intensive arc-lamps for motion picture projection, some lamps used for deep-sea observation, bactericidal lamps, sunbed lamps and high-pressure arc all use this gas. In fact, you probably see xenon lamps on a regular basis and if you want compounds : Xe2F2, XeF4, XeO3, XeF6....

Explanation:

B. The chemical reaction that represents oxidation - reduction reaction is CaCO3(s) → CaO(s) + CO2(g).

In oxidation reduction reaction, the oxidizing agent is reduced while reducing agent is oxidized.

CaCO3(s) → CaO(s) + CO2(g)

Calcium (ca) is oxidized calcium (II) ion while the carbon (IV) oxide is reduced carbon (IV) oxide.

Thus, the chemical reaction that represents oxidation - reduction reaction is CaCO3(s) → CaO(s) + CO2(g).

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Answer: The answer is B

Explanation: on edge

Answer:

4.52×10^24

Explanation:

N = n × Na

where; N = no. of bananas

n = no. of moles

Na = Avogadro's constant

Which is 6.02×10^23

N = 7.5 × 6.02×10^23

N =4.515×10^24

[tex] \sf \blue{B. H_{2}SO4 \: and \: SO_{2}}[/tex]

As we know in oxidation, oxygen is added and hydrogen is reduced. And in option B, we can observe that is oxygen added +6. So, we conclude that option B is valid.

The halogen or halogen-containing compound is typically used as a form of topical antisepsis will be "iodophor".

Iodine will be employed as an antiseptic in the manner of a tincture of iodine, essentially an alcoholic solution.

Iodophor would be an iodine-containing solution that also contains a solubilizing agent, like povidone or a surfactant. Iodophor would be a common sanitizer in the dairy but also brewing sectors. Generally, a high molecular weight carrier, commonly a polymer, has been polymerized with iodine.

Therefore, the halogen or halogen-containing compound is typically used as a form of topical antisepsis will be "iodophor".

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Entropy directs to the degree of disorderliness in a system. Generally, solids have a greater degree of order when corresponded to gas in which the molecules/particles move randomly in all directions.

The transformation in entropy from solid to gaseous phase is a positive change. Because there is increase disorderliness of the system.

A campfire is an illustration of entropy. The solid wood burns and becomes ash, smoke and gases, all of which applied energy outwards more efficiently than the solid fuel. Ice melting, salt or sugar dissolving, constructing popcorn and boiling water for tea are processed with growing entropy in your kitchen.

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The enthalpy of fusion for Al is 10.7 kJ/mol. -12.2 kJ is the energy change when 30.8 g of Al solidifies at 660°C.

The amount of energy needed to change 1 mole of substance under state change at constant temperature and pressure is called enthalpy of fusion. It is also known as Latent heat of fusion. Unit of enthalpy of fusion is kJ/mol.

To find the change in energy use this expression:

q = n ΔH

where

q = Energy change

n = number of moles

ΔH = Molar enthalpy

Number of moles (n) = [tex]\frac{\text{Given mass}}{\text{Molar mass}}[/tex]

                                  = [tex]\frac{30.8\ g}{26.98\ \text{g/mol}}[/tex]

                                  = 1.141 mol

Now put the values in above formula we get

q = - n ΔH                    [Negative sign is used because Al solidifies here]

  =  - (1.141 mol × 10.7 kJ/mol)

  = -12.2 kJ

Thus from the above conclusion we can say that The enthalpy of fusion for Al is 10.7 kJ/mol. -12.2 kJ is the energy change when 30.8 g of Al solidifies at 660°C.

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When the hydrogen chloride concentration doubles, the number of collisions between the reactants becomes increased, which causes the rate of the forward reaction to be faster.

The rate of a reaction is how fast a chemical reaction occurs i.e. the conversion of reactants to products.

The rate of a chemical reaction can be influenced by certain factors including the concentration of reactants.

The more the concentration of a reactant, the more the collision between the reactants and hence, the faster the reaction will proceed.

Therefore, when the hydrogen chloride concentration doubles, the number of collisions between the reactants becomes increased, which causes the rate of the forward reaction to be faster

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Answer:1. increases 2. increases

Explanation:

Got it right on plato!

Answer:

Explanation:

Pressure = Force / Area

F = 14 N

Area = 0.60 m^2

Pressure = 14/0.60

Pressure = 23.3 N

If you are worried about significant digits, the answer is 23

When one substance dissolves into another, a solution is formed.  A solution is a homogeneous mixture consisting of a solute dissolved into a solvent .  The solute is the substance that is being dissolved, while the solvent is the dissolving medium.  Solutions can be formed with many different types and forms of solutes and solvents.

Explanation:

solute are substance that dissolve in solvent

solvent are substance that dissolve solute

Answer:

i) B, ii) A, iii) C

Explanation:

give me brainliest

Answer:

Explanation:

3-methyl pentane.

Answer:

the answer is methyl pentane

Answer:

C - can be solids, liquids, or gases

Explanation:

Chemical change: A chemical reaction is the change of one chemical substance into another chemical substance. For instance: The rusting of iron, the curdling of milk, the digestion of food, breathing, etc.

What is a chemical reaction?

A chemical reaction is the change of one chemical substance into another chemical substance.

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Chemical  change is the change  chemical substance is transformed into another chemical substance.It is irreversible in  nature , for example Reaction of medicine in body , milk to curd etc.

1)Physical change temporary or reversible in nature but chemical change is irreversible in nature

2)In physical change there no new product is formed but in chemical change there formation of new product takes .

3) Physical change is change sin shape ,size or state for example freezing of water , melting of wax , and example of  Chemical change are Burning of  coal, digestion of food

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explanation: Synthetic fiber or synthetic fibre (in British English; see spelling differences) are fibers made by humans through chemical synthesis, as opposed to natural fibers that are directly derived from living organisms. They are the result of extensive research by scientists to improve upon naturally occurring animal and plant fibers. In general, synthetic fibers are created by extruding fiber-forming materials through spinnerets, forming a fiber. These are called synthetic or artificial fibers. Synthetic fibers are created by a process known as polymerization, which involves combining monomers to make a long chain or polymer. The word polymer comes from a Greek prefix "poly" which means "many" and suffix "mer" which means "single units". (Note: each single unit of a polymer is called a monomer). There are two types of polymerization: linear polymerization and cross-linked polymerization.

The number of moles of CO₂ that is produced when burning 6.0 mol of ethanol is 12 mol.

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now we have to write the balanced equation

C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O

We can see that every 1 mole of ethanol we will get 2 mole of CO₂.

So 6.0 mol of ethanol we will get = 6.0 × 2.0

                                                       = 12 mol of CO₂

Thus from the above conclusion we can say that The number of moles of CO₂ that is produced when burning 6.0 mol of ethanol is 12 mol.

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Answer:  Carboxylation of hydroquinone

Answer:

Humdity would decrease hence temprature would do the same, hence tundra are called deserts at times.

Explanation:

If you keep on decreasing the temperature without changing the air's moisture content significantly, eventually you'll reach 100 percent relative humidity, and then water vapor will start to condense to form dew.

Dew Point. When the relative humidity reaches 100 percent, dew forms. Dew point refers to the temperature at which air reaches saturation by water molecules. Warmer air can hold more water molecules, and as that warm air cools, it loses water vapor in the form of condensation.

When relative humidity reaches 100 percent or is saturated, moisture will condense, meaning the water vapor changes to liquid-vapor. Thus, the saturation level of air is related to the air's temperature.

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The classification of the alcohols gives;

Organic compounds occurs in families. The family of compounds is called a homologous series. The homologous series always have a functional group. The functional group is the atom, group of atoms or bond that is responsible for the chemical reactivity of the members of a given homologous series.

Now we know that the alcohols are those organic compounds that contains the -OH group. The could be aliphatic or alicyclic compounds. We shall now proceed to name the kind of alcohols that each of the compounds shown are;

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Answer:

Kc = 0.333

Explanation:

First of all we state the equilibrium reaction:

C₂H₅OH(aq) + CH₃CO₂H(aq)  ⇄  CH₃CO₂C₂H₅(aq) + H₂O(l)

Initially we start with 1 mol of alcohol and 1 mol of acid. After the reaction goes complete, 0.25 moles of acid have been consumed. As ratio is 1:1, we also consumed 0.25 moles of alcohol. Then, in the product side we finally produced 0.25 moles of water and 0.25 moles of ethyl acetate.

How many moles are available in the reactant side, after the equilibrium?

1 mol - 0.25 moles (that have been reacted) = 0.75 moles.

To determine Kc, we need molar concentrations, so let's see M in products and reactants:

0.75 mol / 0.25 L = 3 M

0.25 mol / 0.25 L = 1 M

We needed to convert 0.250 mL to L → 0.250 mL . 1L/ 1000mL = 0.250 L

Let's determine expression for Kc:

Kc = [H₂O] . [CH₃CO₂C₂H₅]  / [C₂H₅OH] . [CH₃CO₂H]

1 . 1 / 3 . 3 = 1/9 → 0.333

[tex]\\ \rm\dashrightarrow \Delta T_f=ik_fm[/tex]

Moles of NaCl

Molality

[tex]\\ \rm\dashrightarrow \Delta T_f=i(-1.86)(8.68)[/tex]

[tex]\\ \rm\dashrightarrow \Delta T_f=-16.14i[/tex]

i is vant Hoff factor

For NaCl vant Hoff factor is 2( Actually 1.9)

[tex]\\ \rm\dashrightarrow \Delta T_f=-16.14(2)=-32.28°C[/tex]

Moles of NaCl

[tex]\\ \tt{:}\dashrightarrow \dfrac{1000g}{23g/mol}[/tex]

[tex]\\ \tt{:}\dashrightarrow 43.4mol[/tex]

Find Molality

[tex]\boxed{\sf Molality=\dfrac{Moles\:of\:solute}{Volume \:of\: solution\:in\:kg}}[/tex]

[tex]\\ \tt{:}\dashrightarrow m=\dfrac{43.4}{6}=7.2m[/tex]

Vant Hoff factor

[tex]\\ \tt{:}\dashrightarrow NaCl\longrightarrow Na^++Cl^-[/tex]

Freezing point depression

[tex]\\ \tt{:}\dashrightarrow \Delta T_f=iK_fm[/tex]

[tex]\\ \tt{:}\dashrightarrow \Delta T_f=2(-1.86)(7.2)[/tex]

[tex]\\ \tt{:}\dashrightarrow \Delta T_f=-26.7°C[/tex]

Answer:

Explanation:

b