________________ stimulates retention of na ions by the kidneys and sweat glands.

Step 1

The reaction must be completed and balanced as follows:

C3H8 + 5 O2 => 3 CO2 + 4 H2O

-------------

Step 2

Information provided:

20.0 g of C3H8

10.0 g of O2

----

Information needed:

1 mole of C3H8 = 44.1 g

1 mole of O2 = 32.0 g

(use your periodic table please)

-------------

Step 3

By stoichiometry,

C3H8 + 5 O2 => 3 CO2 + 4 H2O

44.1 g C3H8 ---------- 5 x 32.0 g O2

20.0 g C3H8 ---------- X

X = 20.0 g C3H8 x 5 x 32.0 g O2/44.1 g C3H8

X = 72.6 g O2

For 20.0 g of C3H8, 72.6 g of O2 is needed, but there is only 10.0 g of O2.

Therefore,

Answer:

The limiting reactant = O2

The excess = C3H8

Answer:

Symbol: a one or two letter symbol that represents the element.

Explanation:

Atomic Number: the number of protons in the nucleus (which is the same as the number of electrons in the atom).

The number of protons in the nucleus of an atom in the periodic table is known as the atomic number.

The known elements are arranged in the periodic table according to their increasing atomic number and recurrent chemical properties. They are arranged in a tabular format with rows denoting periods and columns denoting groups.

According to their ascending atomic numbers, elements are arranged from left to right and top to bottom. As a result, elements belonging to the same group will have similar chemical properties and the same valence electron configuration.

While valence electrons will be arranged in increasing order for elements in the same period. Consequently, there are more energy sub-levels per energy level as the atom's energy level rises.

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1. Deprotonation of butanal to yield enolate 1: In this step, the hydrogen (H) atom present on the carbon alpha to the carbonyl group in butanal is removed and replaced with a base such as sodium hydride (NaH) or potassium hydroxide (KOH).

Butanal is an organic compound belonging to the aldehyde family of chemicals. It is composed of a single carbon atom bonded to an oxygen atom and two hydrogen atoms, and is most commonly found in its gaseous form.

This results in a conjugate base, known as an enolate anion, which is stabilized by resonance.

2. Reaction of enolate I with butanal to yield addition 2:

In this step, the enolate anion formed in the previous step reacts with butanal to form an adduct. This reaction is an aldol condensation and the product is an α,β-unsaturated aldehyde.

3. Protonation of addition to yield intermediate 3:

In this step, the proton from the α-carbon of the aldehyde is replaced by acid. This results in an intermediate ketone in the form of a tertiary alcohol.

4. Dehydration of intermediate 3 to yield condensation 4:

In this step, the tertiary alcohol is treated with a strong base such as sodium methoxide (NaOMe), which removes the proton from the α-carbon of the ketone and results in an α,β-unsaturated ketone.

5. Catalytic hydrogenation of condensation 4 to yield the final product:

In this step, the α,β-unsaturated ketone is treated with a catalyst such as palladium on charcoal and hydrogen gas. This results in the reduction of the double bond and the formation of the desired product, ethyl-1-hexanol.

The structure of addition 2 is shown below:

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Answer:

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question we have

mass = 5 × 200

We have the final answer as

Hope this helps you

The opposite of heterotroph is autotroph.

What is heterotroph?

An organism is referred to as a heterotroph if it consumes other plants or animals for food and energy. Its origins are in the Greek words hetero, which means "other," and trophe, which means "nutrition."

Examples - Human, birds, dogs, etc.

What is autotroph?

A primary producer, also known as an autotroph, is an organism that uses energy from light or inorganic chemical reactions to create complex organic chemicals from simple ones, such as carbon dioxide.

Example - plants, algae etc.

The opposite of heterotroph is autotroph.

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We have that the the liquid is

From the question we are told

Generally the equation is

2C_2H_5OH------CH3CH_2O-CH_2CH_3+H_20

Therefore

with ethanol at 140oC

The product is diethyl ethen

The reaction at 170 ethylene will give

C_2H_5OH-------CH_2=CH_2+H_2O( at a condition of H_2SO4 as catalyst and temp 170)

Therefore

The the liquid is

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Answer:

D

Explanation:

it seems the most logical

Answer:

B

Explanation:

6.00 ml

PLEASE MARK AS BRAINLIEST

Answer:

480385.108 in Litres

A strong push would mean a large magnitude of force and vice versa a weak push would mean a small magnitude.

The attributes of the genetic code include all of the following except B. Each codon specifies more than one amino acid.

A. Each codon consists of 3 nucleotides: This is a correct attribute of the genetic code. Codons are made up of three consecutive nucleotides, which form the basic unit of the genetic code.

B. Each codon specifies more than one amino acid: This is incorrect. Each codon typically specifies only one amino acid. However, there are some exceptions called "ambiguous codons" where a single codon can code for more than one amino acid, but they are relatively rare.

C. Codons are non-overlapping: This is a correct attribute of the genetic code. Codons are read sequentially and are not overlapping. Each codon starts at a specific position in the DNA or mRNA sequence.

D. Most amino acids are specified by more than one codon: This is a correct attribute of the genetic code. With a few exceptions, most amino acids are encoded by multiple codons. This redundancy provides some level of error tolerance and allows for variations in the DNA sequence without affecting the encoded protein.

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Answer:

C₂H6

Explanation:

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). Option A

A hydrocarbon is a compound that consists of only carbon and hydrogen atoms. It is important to identify the formula that represents a hydrocarbon among the given options:

A) C₂H6: This formula represents ethane, which is a hydrocarbon. Ethane consists of two carbon atoms bonded together with single bonds and six hydrogen atoms.

B) C₂H5OH: This formula represents ethanol, which is not a hydrocarbon. Ethanol contains a hydroxyl group (-OH), indicating the presence of oxygen in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

C) C₂H5Cl: This formula represents ethyl chloride, which is not a hydrocarbon. Ethyl chloride contains a chlorine atom (Cl) in addition to carbon and hydrogen atoms. It is a haloalkane, not a hydrocarbon.

D) C₂H6O: This formula represents ethanol, which, as mentioned before, is not a hydrocarbon. Ethanol contains an oxygen atom (O) in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). It consists only of carbon and hydrogen atoms, making it a suitable representation of a hydrocarbon.

In summary, the formula C₂H6 (option A) represents a hydrocarbon, while the other options contain additional elements (oxygen or chlorine) that make them non-hydrocarbon compounds. Option A

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Answer:

1,2,3,4,8,9,10,12,14,15 and 16

Explanation:

Coz they have different kinds (colours) of atoms

The rest are pure substances,

I'm not so sure though, double check after this

Answer:

\(200\; \rm mL\) of neon \(\rm Ne\, (g)\) at \(25^{\circ} \rm C\) and \(1\; \rm atm\) (the second choice) would contain an equal number of gas particles as \(200\; \rm mL\!\) of \(\rm He \, (g)\) at \(25^{\circ} \rm C\!\) and \(1\; \rm atm\!\) (assuming that all four gas samples behave like ideal gases.)

Explanation:

By Avogadro's Law, if the temperature and pressure of two ideal gases is the same, the number of gas particles in each gas would be proportional to the volume of that gas.

All four gas samples in this question share the same temperature and pressure. Hence, if all these gases are ideal gases, the number of gas particles in each sample would be proportional to the volume of that sample. Two of these samples would contain the same number of gas particles if and only if the volume of the two samples is equal to one another.

The second choice, \(200\; \rm mL\) of neon \(\rm Ne\, (g)\) at \(25^{\circ} \rm C\) and \(1\; \rm atm\), is the only choice where the volume of the sample is also \(200\; \rm mL \!\). Hence, that choice would be the only one with as many gas particles as \(200\; \rm mL\!\) of \(\rm He \, (g)\) at \(25^{\circ} \rm C\!\) and \(1\; \rm atm\!\).

b. The critical path refers to the longest sequence of activities from the start to the end of a project, considering the duration of each activity.

c. The total duration for the critical path activities is 18 days, which represents the expected project completion time.

The critical path is a term used in project management to refer to the sequence of activities that determines the minimum time required to complete a project. It is the longest path from the start to the end of the project, considering the duration of each activity. The critical path helps identify the activities that must be closely monitored and managed to ensure the project is completed on time.

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Explanation:

V1/T1 = V2/T2      T  must be in Kelvin

12.78 / (-50 + 273.15)  =  V2 / ( 28+ 273.15)

V2 = 17.25 L

In order to reduce the risk of radiation exposure to individuals and environmental contamination, radioactive wastes are kept. The wastes' radioactivity decreases over time.

Large steel and concrete barrels that contain the garbage are typically properly sealed, although accidents and leaks can still happen. Cancerous growths can result from the severe negative impacts of nuclear waste on life.

Currently, dry casks are used to store all of the nuclear waste that a power plant produces over the course of its lifetime. Since 1987, Yucca Mountain in Nevada has been intended as a permanent disposal location for spent nuclear material.

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Answer:

Should be Solute

Explanation:

I looked it up ;)

Answer:

c. Solute

Explanation:

Answer: Hello! I'm Jungkook. Here is your answer.....

1 Atom.

Explanation:

Hope this helps! Anneyong/Bye!

xoxoKookie

The statement is a false statement because 1 mole of any gas occupies the same volume as 1 mole of any other gas at the same temperature and pressure.

According to Avogadro's law, equal volumes of gases under the same conditions of temperature and pressure contain the same number of molecules.

The molar mass of helium is 4 grams per mole, while the molar mass of oxygen is 32 grams per mole. This means that 1 mole of helium weighs 4 grams, while 1 mole of oxygen weighs 32 grams. The volume of 1 mole of oxygen would be the same as the volume of 1 mole of helium, according to Avogadro's law.

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If the concentration of nitrosyl bromide is doubled, the rate of the reaction will also increase. This is because the rate of a reaction is directly proportional to the concentration of reactants.

As for the effect on the rate constant, it depends on whether the reaction is affected by the concentration of nitrosyl bromide alone or if other factors like temperature, pressure, or the presence of a catalyst are also influencing the rate constant. If the rate constant is dependent solely on the concentration of nitrosyl bromide, then it will also double when the concentration of the reactant is doubled. However, if other factors are influencing the rate constant, then the effect may be more complex.

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A. The kinetic energy released in this interaction is: KE = 1.73 MeV

B. The speed of each particle after the photodisintegration is 5.77×10^5 m/s.

A) In order to determine the kinetic energy released during the encounter, we must first compute the photon's starting and final energies and then find the difference between them. The photon's starting energy can be determined using the equation:

E = hc/λ

where h is the Planck constant, c is the speed of light, and is the photon's wavelength. When we substitute the provided values, we get:

E = (6.62610-34 Js) * (2.998108) m/s / (3.6010-13 m)

E = 5.53×10^-13 J

This initial energy is converted into proton and neutron kinetic energy. If the proton and neutron share this energy evenly, each particle has a kinetic energy of:

E/2 = KE = 2.76510-13 J

We can use the conversion factor 1 MeV = 1.60210-13 J to convert this to MeV. As a result, the kinetic energy released in this exchange is as follows:

KE = 2.76510-13 J/(1.60210-13 J/MeV).

KE = 1.73 MeV

B) We can use the conservation of energy and momentum to calculate the speeds of the proton and neutron after photodisintegration. Because the particles share the energy equally, they all have the same kinetic energy. The system's overall momentum is originally 0 and must be conserved following the split.

Let v denote the speed of each particle following the split. The kinetic energy of each particle is then:

KE = (1/2)mv^2

m denotes the mass of each particle. We can substitute m = 1.00 u = 1.6610-27 kg and KE = 2.76510-13 J.

\((1/2)mv^2 = 2.765×10^-13 J v^2 \\\= (2.765×10^-13 J) * 2/m v2 \\\\\= 3.3210-13 m2/s2 v \\\= 5.77105 m/s\)

As a result, the speed of each particle following photodisintegration is 5.77105 m/s.

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Answer:

5.2 moles of  KClO₃  are needed

Explanation:

Given data:

Number of moles of potassium chlorate needed = ?

Number of moles of O₂ formed = 7.8 mol

Solution:

Chemical equation:

2KClO₃      →     2KCl + 3O₂

now we will compare the moles of KClO₃ and  O₂.

                   O₂        :         KClO₃    

                    3          :           2

                   7.8        :          2/3×7.8 = 5.2

5.2 moles of  KClO₃  are needed.

A system's equilibrium will move to the right, or toward the side of the products, in accordance with Le Chatelier's principle, if more reactants are added. ... The equilibrium will move to the left if we add more product to a system, producing more reactants.

Solution: By increasing the number of reactants, the equilibrium moves to the right and in the direction of the products.

Thus, if a reactant is added, equilibrium shifts to the right, away from the reactant. Equilibrium shifts to the left, away from the product, when a product is added. If we take away the product, equilibrium returns and produces the product. Reactant is created if reactant is removed, breaking the equilibrium.

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Answer:

here is your answer.

Explanation:

atom.

thanks for asking:)

The compound that would form a precipitate in water is  BaSO4.

option d.

BaSO4 (barium sulfate) would form a precipitate in water because it is classified as an insoluble compound according to most solubility charts. When a compound is considered insoluble, it means that it has a very low solubility in water, resulting in the formation of solid particles or precipitate when dissolved in water.

In the case of BaSO4, it does not readily dissociate into ions in water and remains as solid particles, causing it to precipitate.

On the other hand, a. KCI (potassium chloride), b. NaOH (sodium hydroxide), and c. (NH4)2S (ammonium sulfide) are soluble compounds in water. They dissociate into ions and form homogenous solutions when dissolved in water, without forming a precipitate.

It's worth noting that solubility can vary depending on factors such as temperature and concentration, so it's always important to consult a solubility chart or reference for accurate and up-to-date information on specific compounds.option d.

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Answer:

Evaporation

Explanation:

Water at the surface of the ocean rivers and lakes can become water vapor and move into the atmosphere with a little added energy from the Sun through a process called evaporation. Snow and ice can also become water vapor through a process called sublimation. See also why do variations in generation time exist

Answer: The intermolecular forces in a sample of I2 at STP are stronger than the intermolecular forces in a sample of F2 at STP.

Explanation:

At STP, I2 is present in a solid state, where its molecules are attracted to one another and held together in a crystal form. On the other hand, at STP, F2 exists in a gaseous state, which means its molecules are only weakly attracted to one another. Since it requires more energy to hold a substance in solid form, this means that the intermolecular forces in a sample of I2 must be stronger than those in a sample of F2 at STP.

As per the given data, the specific heat of the copper sample is approximately 0.384 J/g·°C.

For the specific heat of copper, we can use the formula:

q = mcΔT

Given that:

Mass of copper (m) = 5g

Change in temperature (ΔT) = 50°C - 10°C = 40°C

Heat absorbed (q) = 76.8 J

76.8 J = 5g × c × 40°C

76.8 J = 200g°C × c

c = 76.8 J / 200g°C

c ≈ 0.384 J/g·°C

Thus, the specific heat of the copper sample is approximately 0.384 J/g·°C.

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0.60759572 gal  is the volume of acid in gallons  in a sample of hydraulic acid .

The gallon is a unit of measurement for volume and fluid capacity in both the US  units and the British imperial systems of measurement.

In SI base units, 1 Gal is equal to 0.01 m/s²

Since ,

1 L, l = 0.2641720524 gal

now, volume of acid in gallons is given by -

2.3 L, l = 2.3 × 0.2641720524 gal

=0.60759572 gal

Hence , 0.60759572 gal is the volume of acid in gallons  in a sample of hydraulic acid .

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If a sample of hydraulic acid has a volume of 2.3L. then its volume of acid would be 0.5059 gallons.

A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation. Any additional quantity of that type can be stated as a multiple of the measurement unit.

as given in the problem, A sample of hydraulic acid has a volume of 2.3L

4.54609 L = 1 gallon

1 L = 1/4.54609 gallons

2.3 L = 2.3 /4.54609 gallons

        =  0.5059 gallons  

Thus, the volume of acid in gallons would be 0.5059 gallons.  

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