Using the balanced chemical equation:
4NH3 + 302 --> 2N2 + 6H20
Determine the amount of grams of N2 is produced If 4.03 moles of NH3 react?

The place theory of pitch was suggested by Hermann von Helmholtz.

The Place theory of pitch or Helmholtz's place theory is a theory on how human beings perceive pitch or frequency. It was first formulated by a German physicist named Hermann von Helmholtz. The theory suggests that the pitch we hear is determined by the place in the cochlea where the hair cells vibrate the most.

                                          The cochlea is a spiral-shaped cavity situated in the inner ear that contains the auditory receptor cells or hair cells. The hair cells are located in the basilar membrane, which runs along the length of the cochlea.

                                               These hair cells transmit information to the brain through the auditory nerve.The Place theory of pitch suggests that each area of the basilar membrane vibrates to a different frequency, and therefore each hair cell vibrates to a specific pitch.

Therefore, it implies that a sound's pitch is determined by the location on the basilar membrane that is stimulated the most.

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Answer:

In the northern hemisphere the currents look like they are curving to the right; in the southern hemisphere, they appear to curve to the left.

Explanation:

i did the quize

the mass of carbon in 100.0 g of vinegar is 40.01 g, the mass of hydrogen is 6.70 g, and the mass of oxygen is 53.29 g.

To calculate the mass of each element in 100.0 g of vinegar, we need to use the percent composition of the compound. The percent composition tells us the percentage of each element in the compound by mass.

The percent composition of vinegar is:

Carbon (C): 40.01%

Hydrogen (H): 6.70%

Oxygen (O): 53.29%

To calculate the mass of each element, we need to multiply the percent composition by the total mass of the compound (100.0 g).

Mass of carbon (C) = 40.01% x 100.0 g = 40.01 g

Mass of hydrogen (H) = 6.70% x 100.0 g = 6.70 g

Mass of oxygen (O) = 53.29% x 100.0 g = 53.29 g

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Answer:

carbon

Explanation:

Answer:

Carbon

Carbon is the second most common molecule in the human body

Converted Recipe for 10 ounces:

- 4 oz Chicken stock

- 8 oz Butter

- 24 oz Flour

- 20 oz Shrimp

Note: The conversion factor is based on the assumption that the density of the ingredients remains constant.

To convert the recipe to yield 10 ounces, we need to determine the conversion factor and apply it to each ingredient.

The conversion factor is calculated as follows:

Desired Yield / Original Yield

Conversion factor = 10 oz / 1.25 gal

Let's convert each ingredient:

1/2 gal Chicken stock:

Conversion factor = 10 oz / 1.25 gal = 8 oz/gal

Converted amount = (1/2 gal) * (8 oz/gal) = 4 oz

8 oz Butter:

No conversion is needed since the amount remains the same.

3 C Flour:

Conversion factor = 10 oz / 1.25 gal = 8 oz/gal

Converted amount = (3 C) * (8 oz/gal) = 24 oz

2.5 # Shrimp:

Conversion factor = 10 oz / 1.25 gal = 8 oz/gal

Converted amount = (2.5 #) * (8 oz/gal) = 20 oz

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The chemical substances in food that contribute to health, many of which are essential parts of a dietary pattern, are called nutrients.

Nutrients are chemical compounds in food that are used by the body to function properly and maintain health.

Examples includes:

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the pH of a 0.000125 M HBr solution is 3.90. The pH of a diluted 175 mL 0.000125 M HBr solution in a total volume of 3.00 L is 2.22. Calculate the pH of a 0.000125 M HBr solution. The dissociation of HBr can be written as follows: HBr ⇌ H+ + Br-

The pH of a 0.000125 M HBr solution is 3.90. The pH of a diluted 175 mL 0.000125 M HBr solution in a total volume of 3.00 L is 2.22.

Solution:

Calculate the pH of a 0.000125 M HBr solution

The dissociation of HBr can be written as follows: HBr ⇌ H+ + Br-

According to the law of mass action, the equilibrium expression for the dissociation of HBr can be written as follows:

[H+][Br-] / [HBr] = k [H+][Br-] = k[HBr]

Here, k is the dissociation constant of HBr, which is 8.7 × 10^-10.

[H+][Br-] = (8.7 × 10^-10)[HBr]

M = [H+]; M = [Br-]

M = 0.000125 M, so [H+] = [Br-] = 0.000125 M

[H+] = 0.000125 M

The pH of a solution is defined as follows:

pH = -log[H+]

pH = -log[0.000125]

pH = 3.90

What is the pH of the diluted solution if 175 mL of this solution is diluted to a total volume of 3.00 L?

To solve this problem, we'll use the following formula: M1V1 = M2V2

M1 = 0.000125 M

M2 = ?

V1 = 175 mL

V2 = 3000 mL = 3.00 L

Before we begin, we'll convert the volume to liters.

175 mL ÷ 1000 = 0.175 L

Now, we can solve for M2: M1V1 = M2V2

(0.000125 M)(0.175 L) = M2(3.00 L)

M2 = 0.00000729 M

The pH of this solution can now be calculated: pH = -log[M2]

pH = -log[0.00000729]

pH = 2.22

Answer: So, the pH of a 0.000125 M HBr solution is 3.90. The pH of a diluted 175 mL 0.000125 M HBr solution in a total volume of 3.00 L is 2.22.

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Answer:

Neptune

Hope this helps :)

Pls brainliest...

After adding a total of 59.8 ml of 0.200 m hno3, the solution's pH is 12.78. A solution's acidity or alkalinity, as well as the concentration of hydrogen ions, are all determined by the pH scale.

Typically, the pH scale ranges from 0 to 14. Acidic aqueous solutions at 25 °C have a pH of less than 7, while basic or alkaline solutions have a pH of more than 7. An acidic solution is one that has a pH under 7, whereas an alkaline, or basic, solution is one that has a pH over 7. Read more about this subject. PH: the biosphere

Volume times Concentration = Moles of H+

Millimoles of H+ equal 59.8*(0.200) = 11.96 moles.

Ph equals 14 minus Poh, and Ph equals 14 minus Log(6), which equals 14 minus 1.22, or 12.78.

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The initial volume of the gas was approximately 14.5 liters. The molar volume of a gas expresses the volume occupied by 1 mole of that respective gas under certain temperature and pressure conditions. This answer supports our expectation from Charles law.

To find the initial volume, we can use the Ideal Gas Law formula, which is PV = nRT. Here, P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant (8.314 J/mol·K), and T is the temperature in Kelvin. Step 1, Convert the given pressure from kPa to Pa by multiplying by 1000. So, 60.0 kPa * 1000 = 60000 Pa. Step 2, Plug the values into the Ideal Gas Law formula: 60000 Pa * V = 1.50 mol * 8.314 J/mol·K * 115 K. Step 3, Solve for V: V = 1.50 mol * 8.314 J/mol·K * 115 K / 60000 Pa. Step 4, Calculate the volume: V ≈ 14.5 liters.

So, you started with approximately 14.5 liters of gas. Finally, we can use the fact that the initial number of moles of particles was 1.50, and that only 1.00 moles remained after some gas escaped, to calculate the initial volume of the gas, so the correct number is 14.5 liters.

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Answer:

likely be the same

Explanation:

this is because we have one color that both atoms share (green). both sample 1 and sample 2 have green and another color. yet, since they share one color, they are likely similar

The mass of the water that was cooled is 8.39 g.

We know that from the first law of thermodynamics, energy can neither be created nor destroyed but have to be transformed from one form to the other.

In this case, we can see that A nickel sample absorbs 74 J of energy from warm water. The water cooled from 65.5 °C to 63.4 °C. Since the water absorbed the heat, let the heat have a negative sign.

H = mcdT

m = mass of water

c = heat capacity

dT = temperature change

Thus;

-74 = m * 4.2 * (63.4 - 65.5)

m = -74 /4.2 * (63.4 - 65.5)

m = 8.39 g

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In a nucleophilic substitution reaction, a two-step mechanism involves first bond breakage to form a carbocation intermediate, followed by bond formation with the nucleophile.

In an SN1 reaction, the nucleophile attacks the substrate after the leaving group has departed, resulting in a two-step process. This reaction is generally favored by weak nucleophiles, as they are less likely to compete with the leaving group. On the other hand, an SN2 reaction involves a single concerted step in which the strong nucleophile directly attacks the substrate and the leaving group departs simultaneously. The higher concentration of a strong nucleophile increases the likelihood of an SN2 reaction. In summary, weak nucleophiles favor the SN1 mechanism, while strong nucleophiles in high concentration favor the SN2 mechanism for nucleophilic substitution
In a nucleophilic substitution reaction, a two-step mechanism involves first bond breakage to form a carbocation intermediate, followed by bond formation.

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Answer: B. 1 proton and 1 neutron(s)

Explanation: Founders Educere answer.

I love you, fellow summer school students good luck!

Please rate and vote and mark brainliest, I want a rank up.

Answer: In a mixture, substances are generally just mixed and are not completely dissolved. In a solution, substances are dissolved completely and they cannot be filtered out.

Explanation:

Explanation:

Plate tectonics is a theory derived from the theory of sea floor spreading and continental drift.

The theory proposes that the outer layer of the earth is broken down into series of slabs that moves over the mantle.

This outer layer of the earth is called the lithosphere. The lithosphere is made up of the crust and the upper mantle.

The layer below the lithosphere which allows for the movement of the lithosphere is called the asthenosphere.

Answer:

Answer: hunting deer

Explanation:

since the extraction of resources to the withdrawing of materials from the enviroment for human use, including fossil fuels ( oil, gas, and coal), rocks and minerals, bimass via deforestation and fishing and hunting, and water.

There are approximately 12.7 grams of phosphorus in a 50-gram sample of aluminum phosphate.

To determine the number of grams of phosphorus in a 50-gram sample of aluminum phosphate, we need to know the molar mass and the chemical formula of aluminum phosphate.

The chemical formula for aluminum phosphate is AlPO4. It indicates that each molecule of aluminum phosphate contains one aluminum atom (Al), one phosphorus atom (P), and four oxygen atoms (O).

To calculate the molar mass of aluminum phosphate, we can add up the atomic masses of its constituent elements based on their stoichiometric ratios:

Molar mass of AlPO4 = (molar mass of Al) + (molar mass of P) + (4 * molar mass of O)

Using the periodic table, we can find the atomic masses of the elements:

Molar mass of Al = 26.98 g/mol

Molar mass of P = 30.97 g/mol

Molar mass of O = 16.00 g/mol

Now, let's calculate the molar mass of aluminum phosphate:

Molar mass of AlPO4 = (26.98 g/mol) + (30.97 g/mol) + (4 * 16.00 g/mol)

= 121.95 g/mol

The molar mass of aluminum phosphate is 121.95 g/mol.

To determine the number of grams of phosphorus in a 50-gram sample of aluminum phosphate, we need to calculate the mass fraction of phosphorus in the compound. The mass fraction is the ratio of the molar mass of phosphorus to the molar mass of aluminum phosphate.

Mass fraction of phosphorus = (molar mass of P) / (molar mass of AlPO4)

= (30.97 g/mol) / (121.95 g/mol)

≈ 0.254

Multiplying the mass fraction by the mass of the sample gives us the grams of phosphorus:

Grams of phosphorus = (mass fraction of phosphorus) * (mass of the sample)

= 0.254 * 50 g

≈ 12.7 g

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The type of bonding present in a compound depends on the electronegativity difference between the atoms involved.

In Br(ClO4)2, the bonding between Br and ClO4 is ionic. This is because Br is a metal and ClO4 is a polyatomic ion, which means they have significantly different electronegativity values. In ClO2, the bonding between Cl and O atoms is covalent. This is because Cl and O are both non-metals and have similar electronegativity values, causing them to share electrons to form a covalent bond. In NaCl, the bonding between Na and Cl is ionic. This is because Na is a metal and Cl is a non-metal, causing the electronegativity difference that results in ionic bonding. Therefore, Br(ClO4)2 has ionic only bonding, ClO2 has covalent only bonding, and NaCl has both ionic and covalent bonding.

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Answer:

Answer: Reaction Rate

Explanation:

reaction rate, in chemistry, the speed at which a chemical reaction proceeds. It is often expressed in terms of either the concentration (amount per unit volume) of a product that is formed in a unit of time or the concentration of a reactant that is consumed in a unit of time.

At 333K temperature 0.760 moles of oxygen gas occupy 8.00 L and exert 2.60 atm of pressure.

What is ideal gas law?

The relationship between a gas's pressure P, volume V, and temperature T in the range of low pressures and high temperatures, when the gas's molecules move virtually independently of one another, is known as the ideal gas law, also known as the perfect gas law.

Given:

Number of mole (n) = 0.760 mole

Volume of oxygen (V) = 8.00 L

Pressure (P) = 2.60 atm

Temperature (T) =.?

We know, Gas constant (R) = 0.0821 atm.L/Kmol

Using the ideal gas equation we get:

PV = nRT

2.6 x 8 = 0.76 x 0.0821 x T

So,

T = (2.6 x 8) /(0.76 x 0.0821 )

T = 333 K.

Hence, the temperature is 333 K.

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Answer:

h

Explanation:

get into

Answer:

Number of protons is 9

Number of electrons is 9

Number of neutrons is 10

Explanation:

Atomic number refers to the number of protons or electrons in an atom, so the electrons and protons are 9.

Atomic mass is the sum of the number of protons and neutrons.

Therefore, there are 10 neutrons in the atom's nucleus

The percent composition of carbon in the given sample is 40.12%.

To calculate the percent composition of carbon, we need to determine the mass of carbon in the sample and divide it by the total mass of the sample, then multiply by 100.

Given:

Mass of fluorine (F) = 4.80 g

Mass of hydrogen (H) = 4.90 g

Mass of carbon (C) = 6.50 g

Total mass of the sample = 16.20 g

Mass of carbon in the sample = 6.50 g

Percent composition of carbon = (mass of carbon / total mass of the sample) * 100

Percent composition of carbon = (6.50 g / 16.20 g) * 100 ≈ 40.12%

Therefore, the percent composition of carbon in the sample is approximately 40.12%.

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The final temperature is 280.59 degrees Celsius.

The term atmospheres (atm), defined as follows: A mercury column one millimetre high would impose a pressure of one atm, or 1.01325 x 105 Pa. millimetres of mercury (mmHg). One atmosphere of pressure is generated by a mercury column that is 760 mm high. Because pressure and force are connected, you may use the physics equation to compute one if you know the other.

P1V1/T1 = P2V2/T2

Where P1, V1, and T1 are the initial pressure, volume, and temperature, and P2, V2, and T2 are the final pressure, volume, and temperature.

Given:

Initial pressure (P1) = 1.015 atm

Initial volume (V1) = 9.00 L

Initial temperature (T1) = -211.76 °C (62.39 K)

Mass of hydrogen gas initially (m1) = 2.035 g

Additional mass of hydrogen gas added (m2) = 2.099 g

Final pressure (P2) = 20.15 atm

PV = nRT

n1 = m1/MH2 = 2.035 g / 2.016 g/mol = 1.011 mol

n2 = m1/MH2 + m2/MH2 = 2.035 g / 2.016 g/mol + 2.099 g / 2.016 g/mol = 2.059 mol

We can assume that the volume of the container is constant, so we can set V1 = V2 in the combined gas law equation:

P1/T1 = P2/T2

Solving for T2:

T2 = P2T1V1 / (P1*V2)

Substituting the values:

V2 = V1 = 9.00 L

T2 = (20.15 atm)(62.39 K)(9.00 L) / (1.015 atm)(2.059 mol)(8.314 J/(mol*K))

T2 = 553.75 K or 280.59 °C

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Question:

A container holds 2.035 grams of hydrogen gas at a pressure of 1.015 atm and a temperature of -211.76 °C. What will be the temperature in °C if an additional 2.099 grams of hydrogen gas is added to the container and the pressure increases to 20.15 atm?

Answer:

3,4–diethyloctane

Explanation:

To name the compound, we must do the following:

1. Locate the longest continuous carbon chain. This gives the parent name of the compound. In this case, the longest chain is carbon 8 i.e octane.

2. Identify the substituent attached to the compound. In this case, the substituent group attached is ethyl i.e CH2CH3.

Note: there are two ethyl group attached to the compound.

3. Locate the position of the substituent group attached, giving them the lowest possible count. In this, the ethyl group are at carbon 3 and 4.

4. Combine the above to get the name of the compound. Therefore, the name of the compound is:

3,4–diethyloctane.

In the Lewis structure of methanol (CH3OH), the OH group is placed on the outside because it is an important functional group that influences the chemical properties and reactivity of the molecule.

The Lewis structure is a representation of a molecule that shows the arrangement of atoms and valence electrons. In methanol, carbon (C) is the central atom bonded to three hydrogen (H) atoms and one oxygen (O) atom. The oxygen atom forms a single bond with carbon and also has two lone pairs of electrons.

The placement of the OH group (hydroxyl group) on the outside of the Lewis structure is significant because it determines the chemical behavior of methanol. The OH group consists of an oxygen atom bonded to a hydrogen atom and represents the presence of an alcohol functional group.

In organic chemistry, functional groups are specific arrangements of atoms within a molecule that give rise to characteristic chemical reactions and properties. The presence and position of functional groups can greatly influence the behavior and reactivity of a compound. In the case of methanol, the hydroxyl group provides the molecule with its characteristic properties.

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Answer:

The distance between the tank and the upstairs tap is lesser than the distance between the tank and the downstairs tap so water comes out with more force in the downstairs tap than from the upstairs one.

Explanation:

yass

Answer:

When an atom loses an electron it becomes ionized