how many grams of co2 do we get if we react 5.46 grams of o2 based on the below reaction? 2c6h14 19o2 (g) -> 12co2 (g) 14h2o (l)

Answer: 0.002 m³

Explanation:

We can use our unit conversions to find the volume in m³.

\(2L*\frac{1m^3}{1000L} =0.002m^3\)

The balanced chemical reaction will be;Ba3N2 + 6H2O → 3Ba(OH)2 + 2NH3. The values of w, x, y, and z are w = 2z and w = y = 3x.

The given chemical reaction is unbalanced. So, we have to balance it. Let the coefficient of Ba3N2 is w, the coefficient of H2O is x, the coefficient of Ba(OH)2 is y, and the coefficient of NH3 is z. So, the balanced chemical reaction is: wBa3N2 + x6H2O → y3Ba(OH)2 + z2NH3

Coefficient of Ba: 3w = 3y  => w = y

Coefficient of N: 2z = w => w = 2z

Coefficient of H: 6x = 2z  => z = 3x

Coefficient of O: 2y = 6x  => y = 3x

So, the final coefficients are: w = y = 3x and w = 2z

The balanced chemical reaction is; Ba3N2 + 6H2O → 3Ba(OH)2 + 2NH3. Hence, the values of w, x, y, and z are w = 2z and w = y = 3x.

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Answer:

Yes

Explanation:

The rate at which a solute dissolves depends upon the size of the solute particles. Dissolving is a surface phenomenon since it depends on solvent molecules colliding with the outer surface of the solute.

Brainliest?

Answer: FALSE

Tides and Water Levels

Gravity is one major force that creates tides. In 1687, Sir Isaac Newton explained that ocean tides result from the gravitational attraction of the sun and moon on the oceans of the earth (Sumich, J.L., 1996). ... Our sun is 27 million times larger than our moon.

HOPE THIS HELPS

a) The volume of butane that can be produced by the reaction at STP is 6.25 L. b) There is no excess hydrogen gas, all of it was used up in the reaction.

The reaction which is given in the question is the balanced equation for the reaction i.e:

\(4C + 5H_2 \rightarrow C_4H_{10}\)

a) To find the volume of butane that is produced at STP, we the number of moles of each reactant that is taking part in the reaction.

We can calculate the moles of the reactants using the formula:

PV=nRT

we can also write the equation as n=PV/RT

Substituting the values in the formula above we get

n = PV/RT

n = (1 atm)(17.75 L)/(0.0821 L·atm/mol·K)(273 K) = 0.831 mol \(H_2\)

Now we need to find the moles of Carbon by using the formula:

n=m/M; where m is the mass of carbon and M is the molar mass of carbon.

Molar mass of carbon= 12/01 g/mol

n=13.45 g/12.01 g/mol = 1/12 mol C

Now we can see that the balanced equation that is given to us has a 4:5 ratio of carbon to hydrogen, Now we need to find the moles of butane that are produced from 1.12 mol of carbon:

Now we can see that 4 mol of C produces 1 mol of  \(C_4H_{10}\)

So, 1 mol of C produces 1/4 mol of \(C_4H_{10}\)

Now 1.12 mol of C will produce (1/4) * 1.12 mol of \(C_4H_{10}\)

which is = 0.28 mol of \(C_4H_{10}\).

Now with the help of ideal gas law, we can calculate the volume of butane at STP:

PV=nRT

V=nRT/P = (0.28 mol)(0.0821 L·atm/mol·K)(273 K)/(1 atm) = 6.25 L

Therefore the butane produced in the reaction at STP is 6.25 L.

b) In the reaction given above we can see that Carbon is the limiting reactant, what we need to do is to find out how much Hydrogen can be used to react with all the provided carbon. We know that 4 mol of carbon reacts with 5 mol of hydrogen gas. Therefore, the number of moles of Hydrogen gas required to react with 1.12 mol o carbon is :

(5/4) × 1.12 mol = 1.4 mol \(H_2\)

We are provided with 0.831 mol of hydrogen gas, which is less than the amount required to react with all the carbon. So, hydrogen can be considered as the excess reactant here.

Now we are asked to find out how much Hydrogen gas is leftover, for which we can subtract the amount which is required to react with all of the carbon from the initial amount:

0.831 mol H2 - 1.4 mol H2 = -0.569 mol \(H_2\)

This negative value above depicts that there is no leftover Hydrogen gas at all which means all the hydrogen gas is used up in the reaction.

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Answer: I believe it was Şaddam Hussein

Explanation:

Answer: They use their feathers

Explanation: They fluff their feathers for warmth I think so at least

Because I'm sure they stay in the forest and don't really hibernate

Answer:

They fluff there feathers for warmth

Explanation:

I did the test and got 100

Hydrophobic interaction is the dominant force in the tertiary structure of most globular proteins. It is also important in the membrane protein structure.

1. Type of bonding that occurs in the following levels of proteins are:

a) Primary level of protein bonding: In the primary structure of proteins, the type of bonding that occurs is the covalent peptide bond. A covalent bond is formed when two atoms share electrons between them.

b) Secondary level of protein bonding: In the secondary structure of proteins, hydrogen bonding occurs. This hydrogen bonding occurs between two peptide bonds, resulting in a regular helical structure (alpha helix) or folded sheet (beta sheet).

c) Tertiary level of protein bonding: Tertiary structure is characterized by the R group interactions that include hydrogen bonds, hydrophobic interactions, disulfide bonds, salt bridges and van der Waals interactions.

d) Quaternary level of protein bonding: The quaternary structure of proteins is held together by intermolecular forces such as hydrogen bonding, van der Waals interactions, electrostatic interactions, and hydrophobic effects.2. The secondary level of protein bonding can be used to predict the tertiary level of protein bonding because the formation of secondary structures is a necessary step to achieve the tertiary structure.

The secondary level of protein bonding helps predict the tertiary level of protein bonding because it is the next level of organization after the secondary level of protein bonding. The tertiary level of protein bonding requires a series of interactions between side chains, such as van der Waals forces, hydrogen bonding, and ionic bonding, that occur between amino acids in different regions of the protein.

These interactions help to fold the polypeptide chain into a three-dimensional structure that is unique to the protein.

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**MARK BRAINLIEST**

Avogadro's number is approximately 6.022 × 10^23 formula units per mole.

Given that there are 3.0 × 10^23 formula units of KI, we can calculate the number of moles of KI by dividing the number of formula units by Avogadro's number:

Number of moles = (3.0 × 10^23 formula units) / (6.022 × 10^23 formula units/mol)

Number of moles ≈ 0.498 mol

To find the mass of KI, we can use the molar mass of KI:

Mass of KI = Number of moles × Molar mass

Mass of KI = 0.498 mol × 166 g/mol

Mass of KI ≈ 82.668 g

Therefore, there are approximately 82.668 grams of KI in the sample.

Explanation:

matter is anything that occupies space and has mass

Explanation

Given:

ΔG° = 13.8 kJ/mol = (13.8 x 1000) J/mol = 13800 J/mol

Temperature, T = 25.0°C. = 25.0°C + 273 = 298.0 K

What to find:

the value of the equilibrium constant, K for the reaction at 25.0°C.

Step-by-step solution:

Both K and ΔG° can be used to predict the ratio of products to reactants at equilibrium for a given reaction.

ΔG° is related to K by the equation ΔG°= −RTlnK.

R is the molar gas constant, ( R = 8.3144598 J/K/mol)

If ΔG° < 0, then K > 1, and products are favored over reactants at equilibrium.

The next step is to substitute the values of ΔG° and T into the equation to get K.

ΔG°= −RTlnK

13800 J/mol = -(8.3144598 J/K/mol x 298 K x lnK)

13800 J/mol = -(2477.70902 J/mol x lnK)

Divide both sides by 2477.70902 J/mol

The pH of the solution is 12.53 at 25°C.

To find the pH of the solution, we need to first find the concentration of hydroxide ions in the solution. This can be done by using the balanced chemical equation for the dissociation of \(Ca(OH)2\)
\(Ca(OH)2(s) ⇌ Ca2+(aq) + 2OH-(aq)\)
The equilibrium constant for this reaction is \(Ksp = [Ca2+][OH-]^2\). Since \(Ca(OH)2\) is a strong base, we can assume that it dissociates completely in water. Therefore, [Ca2+] can be considered negligible compared to [OH-], and we can simplify the equation to \(Ksp = [OH-]^2.\)
The value of Ksp for\(Ca(OH)2\) at 25°C is \(5.5 × 10^-6\). Since we know the amount of Ca(OH)2 in the solution (1.2 × 10^-5 mol) and the volume of the solution (250.0 mL), we can calculate the concentration of hydroxide ions using the formula:
\([OH-] = √(Ksp/[Ca(OH)2])\\[OH-] = √(5.5 × 10^-6 / 1.2 × 10^-5) = 0.295 M\)
Now, we can use the formula for pH:
pH = 14 - log([OH-])
pH = 14 - log(0.295) = 12.53
Therefore, the pH of the solution is 12.53 at 25°C.

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Answer:

17.51M

Explanation:

first we make out what we've been given .

Mass of ethanol= 91.9g

volume of water = 481.0ml

volume of solution= 597.5ml

density of water = 1.0g/ml

density of ethanol= 0.789g/ml.

firstly find the volume of ethanol since the total volume of the solution is 597.5ml and we've been given the volume of water which is 481.0ml , we subtract the volume of water from the volume of the solution , to find out the volume of ethanol .

volume e =597.5ml - 481.0ml

= 116.5ml

Then we find the molecular mass of ethanol , which is 45.04g/mol .

then we find the number of moles of ethanol .

n=mass /molar mass

=91.9g/ 45.04g/mol

=2.04mols .

Then convert the volume from milliliters to liters , by dividing by a 1000 .

v= 116.5/1000

=0.1165L

since we have our number of moles and volume , we can now find the molarity . which is

M=n/v

= 2.04mols /0.1165L

= 17.51M .

Answer:

b

Explanation:

True. The ability for bonds to take on an intermediate character in which the electrons are able to occupy different regions of a molecule at the same time is called hybridization.

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Answer:

Alcohol, 0.63 I don't know the rest the rest

Explanation:

Answer:

Explanation:

1. Alcohol

2. Marker 1

3. Purple

4. Marker 2

Filling out the lab paper gives you the answers. These were all correct.

Answer: A! The soup will become saltier because evaporation removes the water and leaves the salt behind.

Explanation:

Just finished the test and got a 90%! <3

Answer:

A

Explanation:

When water is boiling, adding heat does not increase the temperature. Correct option is d.

When water reaches its boiling point, which is 100°C (212°F) at standard atmospheric pressure, any additional heat supplied will not increase its temperature. Instead, the added heat is utilized to convert water from its liquid state to vapor through a process called phase transition.

During this phase change, the temperature remains constant as the extra energy is used to break the hydrogen bonds between the water molecules, allowing them to escape as steam. This is why the temperature does not increase even when more heat is added to boiling water.

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The frequency of light required to remove the valence electron(s) from an atom is known as the ionization energy. The ionization energy is dependent on the atomic structure and is specific to each element.

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The term "partial pressure" refers to the amount of pressure that each gas in a mixture exerts. The ideal gas law can be used to solve problems involving gases in a mixture if we have a mixture of ideal gases.

Thus, The overall pressure of a mixture of gases is equal to the sum of the partial pressures of the constituent gases, according to Dalton's law of partial pressures.

When we use a barometer to check the outside atmospheric pressure or a tire gauge to check the pressure in a bike tube, we are measuring gas pressure in our daily lives and partial pressure.

This involves measuring a macroscopic physical characteristic of many gas molecules that are imperceptible to the human eye. The force of individual gas molecules slamming into other objects, like the container walls, produces the pressure we are measuring at the molecular level.

Thus, The term "partial pressure" refers to the amount of pressure that each gas in a mixture exerts. The ideal gas law can be used to solve problems involving gases in a mixture if we have a mixture of ideal gases.

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Living systems are made out of - phosphorus, sulphur and carbon.

Matter itself has energy and matter can be converted to energy and vice versa.

Atoms associate with one another to strengthen the stability of their arrangement of negatively charged electrons.

1. Common elements of the living organisms are - Nitrogen, oxygen, phosphorus, sulphur and carbon. These are the 6 most knowing common elements.

2. It's included more then 95% to 97% mass on a human body . Matter itself has energy and matter can be converted to energy and vice versa. The equal amount of matter can have totally different amount of energy and so show up the different type of matter.

3. Electron can be transferred one atom to another this is the most basic way that outer electron can from atom bond .

Atoms associate with one another to strengthen the stability of their arrangement of negatively charged electrons. The positively charged nucleus is surrounded by these electrons in so-called "shells," and according to quantum theory, each shell becomes stable once it has a particular amount of electrons.

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Answer:4

Explanation: I got it right

According to ideal gas law and kinetic molecular theory,the statement which describes  the characteristic of an ideal gas system is that  straight-line motion of the gas molecules is constant and random.

The ideal gas law is a equation which is applicable in a hypothetical state of an ideal gas.It is a combination of Boyle's law, Charle's law,Avogadro's law and Gay-Lussac's law . It is given as, PV=nRT where R= gas constant whose value is 8.314.The law has several limitations.

The ideal gas law was proposed by Benoit Paul Emile Clapeyron in the year 1834.He was a physicist and an engineer.It is often written in empirical form.It is called as an ideal gas  equation which is a good approximation of behavior of many gases.It has several limitations.

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Answer:

you would need to times the equation

Explanation:

Therefore, the estimated energies of a proton in a 5.0 fm long box are approximately:

E1 = 1.808 x 10^-13 J

E2 = 7.234 x 10^-13 J

E3 = 1.631 x 10^-12 J

The allowed energies of a particle in a one-dimensional box are given by:

E = (n^2 * h^2) / (8 * m * L^2)

Where:

E is the energy of the particle

n is the quantum number (1, 2, 3, ...)

h is the Planck's constant (approximately 6.626 x 10^-34 J*s)

m is the mass of the particle (mass of a proton = 1.673 x 10^-27 kg)

L is the length of the box (5.0 fm = 5.0 x 10^-15 m)

For n = 1:

E1 = (1^2 * (6.626 x 10^-34 J*s)^2) / (8 * (1.673 x 10^-27 kg) * (5.0 x 10^-15 m)^2)

For n = 2:

E2 = (2^2 * (6.626 x 10^-34 J*s)^2) / (8 * (1.673 x 10^-27 kg) * (5.0 x 10^-15 m)^2)

For n = 3:

E3 = (3^2 * (6.626 x 10^-34 J*s)^2) / (8 * (1.673 x 10^-27 kg) * (5.0 x 10^-15 m)^2)

Now we can calculate the values:

E1 ≈ 1.808 x 10^-13 J

E2 ≈ 7.234 x 10^-13 J

E3 ≈ 1.631 x 10^-12 J

Therefore, the estimated energies of a proton in a 5.0 fm long box are approximately:

E1 = 1.808 x 10^-13 J

E2 = 7.234 x 10^-13 J

E3 = 1.631 x 10^-12 J

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The correct formula for a compound formed from the elements Al and O is Al₂O₃.

Correct option is C.

Aluminum oxide is an oxide of aluminum with the chemical formula Al₂O₃ which is primarily composed of two chemically bonded aluminum and oxygen atoms. Aluminum oxide chemical compounds exist in various forms, with the most common being alpha, gamma, and theta.

The solid compound is an odorless, white powder which is insoluble in water and is a major component of the Earth's crust. It occurs naturally as corundum, bauxite, and cryolite and can be synthetically produced through burning aluminum metal or dissolving alumina tri-hydrate.

Aluminum oxide is widely used in a variety of applications due to its unique properties such as hardness, thermal conductivity, electrical conductivity, optical properties, and chemical inertness.

Correct option is C.

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Answer:

The circulatory system brings blood through the kidneys where nitrogenous wastes can be filtered. The urinary system helps the circulatory system by maintaining salt balance in the body and adjusting blood pressure by getting rid of or holding on to more water.

Explanation:

Leucine amino acid residues would not provide a side chain for acid-base catalysis.

Proteins are made up of substances called amino acids. Proteins and amino acids are the components of life. Amino acids are the byproducts of the digestion or breakdown of proteins. Amino acids are used by the human body to create proteins that aid in: Dissect food.

Alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine are the non-essential amino acids.

Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are the necessary amino acids. Alanine, asparagine, aspartic acid, glutamic acid, and serine are the non-essential amino acids. Amino acids, often known as the components that make up proteins, are substances that are essential to many bodily processes.

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The percentage of salt (by mass) in this mixture is 21.29%.

Percentage by mass, also known as mass percentage or weight percentage, is a way to express the concentration of a substance in a mixture. It represents the proportion of the mass of a solute (the substance being dissolved) to the total mass of the solution or mixture, expressed as a percentage.

The percentage of salt by mass in this mixture can be calculated by dividing the mass of salt by the total mass of the mixture and multiplying by 100.

The total mass of the mixture is 1.48 lb + 5.47 lb = 6.95 lb.

The percentage of salt by mass is then:

Percentage of salt by mass = (1.48 lb / 6.95 lb) x 100 = 21.29%

Therefore, the percentage of salt by mass in this mixture is 21.29%.

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