What volume will 2.0 moles of nitrogen occupy at 5 atm and 20 Celsius?

9.62 liters
0.6568 liters
240.5 liters
16.42 liters​

Answer:

the answer is c between 20 and 30(c) you duck

Explanation:

Answer:

the answer is c

Explanation:

When completing data tables 1 - 3, the depth of hydrogen peroxide is typically measured in milliliters (mL) or sometimes in centimeters (cm) if referring to the depth in a container.

The depth of the hydrogen peroxide is measured in millimeters (mm) when completing data tables 1 - 3.What is hydrogen peroxide?Hydrogen peroxide (H2O2) is a clear, colorless liquid that is miscible with water. It is a chemical compound that is often used as a disinfectant, bleaching agent, and oxidizer due to its strong oxidizing properties. The depth of the hydrogen peroxide is measured in millimeters (mm) when completing data tables 1 - 3.

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The Na+/K+ pump transports three sodium ions out of the cell for every two potassium ions moved into the cell. This is an example of an antiport pump.

Antiport pumps are a type of active transport mechanism that simultaneously move two or more substances in opposite directions across a membrane.

In this case, the Na+/K+ pump helps to maintain the electrochemical gradient and resting membrane potential in cells by exchanging sodium and potassium ions against their concentration gradients, using energy derived from ATP hydrolysis. This process is crucial for various cellular functions, including nerve impulse transmission and muscle contraction.

In contrast, symport pumps transport substances in the same direction, and uniport pumps transport only one substance at a time. Facilitated diffusion, on the other hand, is a passive transport mechanism that uses protein carriers to move substances across a membrane without the expenditure of energy.

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What are the relative w/v concentrations of lactic acid, citric acid, and boric acid if the mixture's specific gravity is 0.781? What are the % weight-to-volume conversions if the mixture's specific gravity is 0.781?

(Density of the solution / Water Density)

density of mixture = (specific gravity of mixed * density of waters) = (0.781 * 1) = 0.781 g/mL density = (mass/volume) specific gravity = 0.781

Lactic acid concentration in the mixture = (mass of latic acid / quantity of mixture) *100 = (4/128.04)100 = 3.12%. Volume of mixture = (mass / density) = (100 /0.781) =128.04 mL.

What level of fluoride ion should be present in drinking water?

Detailed Solution: 1 mg/l

1.50 mg per liter is the proper answer. The World Health Assembly advised that the maximum allowed level of fluoride present in drinking water for a number of nations, including Canada, China, India, Argentina, and the European Union, be 1.5 mg/l. A fluoride level of 1 mg/l is ideal for drinking water.

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The w/v levels of lactic acid, benzoyl peroxide, plus trichloroacetic acid as in combination are 1.56% if the mixture has a specific gravity of 0.781.

1 mg/l 1.50 mg per liter is the proper answer. The World Health Assembly advised that the maximum allowed level of fluoride present in drinking water for a number of nations, including Canada, China, India, Argentina, and the European Union, be 1.5 mg/l. A fluoride level of 1 mg/l is ideal for drinking water.

(Density of solution / Water Density) = Specific Gravity

density of mixture = (specific gravity of mixed * densities of water) = (0.781 * 1) = 0.781 g/mL density = (mass/volume) specific gravity = 0.781

Volume of the mixture = (Mass of Lactic Acid / Volume of the mixture) = (100 /0.781) =128.04 mL w/v Amount of Lactic in the mixture Salicylic acid concentration in the mixture is *100 = (4/128.04)100 = 3.12% w/v = (mass of Salicylic / volume of mixture). Trichloroacetic acid concentration in the combination: *100 =(5/128.04)100 = 3.9% w/v (i.e., (mass of Trichloroacetic acid / volume of mixture) *100 =(2/128.04)100 = 1.56%

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The more linear the bond, the stronger the attraction this statements about hydrogen bonds is false

Hydrogen bonds refer to the type of non-covalent bond that exists between molecules. It arises when hydrogen atoms with partial positive charges (d⁺) are attracted to electronegative atoms (d⁻) in another molecule. There are three key features of hydrogen bonding: a hydrogen donor, a hydrogen acceptor, and a hydrogen bond. Here are some true statements about hydrogen bonding: It is a type of non-covalent bond. The donor is a hydrogen atom bonded to a less electronegative atom than hydrogen.  The acceptor must contain a non-bonded pair of electrons.

However, the statement that says "the more linear the bond, the stronger the attraction" is false. The strength of the hydrogen bond depends on various factors, including the distance between the donor and acceptor, the angle between the hydrogen donor and acceptor, and the strength of the hydrogen bond.

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Taking into account the Avogadro's Law, 0.600 moles occupies 1.200 L.

Avogadro's Law is a gas law that relates the volume and amount of gas at constant pressure and temperature.

Avogadro's law states that volume is directly proportional to the amount of gas: increasing the amount of gas will increase the volume, while decreasing the amount of gas will decrease the volume.

Mathematically, this law states that the ratio between the volume and the amount of gas is constant:

\(\frac{V}{n} =k\)

Assuming that there is a certain amount of gas n1 that occupies a volume V1 at the beginning of the experiment, by varying the amount of gas to a new value n2, then the volume will change to V2, and the following is true:

\(\frac{V1}{n1} =\frac{V2}{n2}\)

In this case, you know:

Replacing in Avogadro's Law:

\(\frac{0.800 L}{0.400 moles} =\frac{1.200 L}{n2}\)

Solving:

\(n2x\frac{0.800 L}{0.400 moles} =1.200 L\)

\(n2=\frac{1.200 L}{\frac{0.800 L}{0.400 moles} }\)

n2= 0.600 moles

Finally, 0.600 moles occupies 1.200 L.

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Answer: Plants and animals share many characteristics, but they are different in some respects hope that helps-

Explanation:

The structure of this home would protect against tsunamis due to its height and hard structure.

Yes, in my opinion, the structure of this home would protect against tsunamis because of 8 foot tall wall that is present around the house. This wall is enough to protect the house from tsunamis due to its long height and hard composition.

So we can conclude that the structure of this home would protect against tsunamis due to its height and hard structure.

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The percent composition of the carbon in the C₆H₁₂O₆ is 40 %.

The chemical compound is  C₆H₁₂O₆.

The molar mass of the compound  C₆H₁₂O₆ = 180 g/mol

The mass of the carbon = 12 g

The percent composition is as follows :

Percent composition of the carbon = ( mass of the carbon / total mass of the compound ) × 100 %

Percent composition of the carbon = ( 72 / 180 ) × 100 %

Percent composition of the carbon  = 40 %

Thus the percentage composition if the carbon is 40 percent in the chemical compound  C₆H₁₂O₆ that is glucose.

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Explanation:

Using a fractional column will help to separate liquids whit different boiling points since the mixture contain ethanol water and propanaol. Ethanol will be the first to be extracted since it has a low boiling point then it would be water and then propanaol.

Answer:

it is a result of hydrogen bonds present within water molecules.

Explanation:

when the water is transformed to ice at zero degrees Celsius, the water molecules are in crystal lattice in a structure that has a lot of empty space around each molecule.

A. We are aware that the reaction's rate depends on the slowest, or rate-determining, step in the overall reaction mechanism. The first step of the reaction is the one that moves the most slowly in the example reaction mechanism. As a result, just one step (Step 1) would have an impact on the reaction's rate.

As a result, the rate law for the mechanism described is given by –

Step 1.  Cl2 2Cl  (slow)  ---------k1

Step 2.  Cl + C5H10HCl + C5H9  (fast) ---------k2

Step 2.  C5H9 + Cl C5H9Cl  (fast)  ---------k3

Step 1. is the slowest step. So, the reaction rate will depend upon on the rate of Step 1 only.

Hence, the rate law for the reaction is given by –

Rate = k1 [Cl2]

B. A species that is created and then consumed in situation is referred to as an intermediate of a reaction mechanism; hence, reaction intermediates never appear in the final rate law or in the actual reaction itself. The overall reaction in this reaction will show up, and likewise will be included in the rate law, as demonstrated above.

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Answer:

I'm terribly sorry but the download is not working for me! All it says is Download pdf, and when I click it, It does nothing except for refreshing the page!

Explanation:

i

Explanation:

i have sent a picture above

- Therefore the concentration of the HCl in the solution whose pH – 3 is 0.001 M.

In 1.2 x \(10^{24}\) formula units of \(Li_{2} (SO)_{4}\), there are roughly 1.993 moles of

\(Li_{2} (SO)_{4}\).

Using Avogadro's number, or 6.022 x \(10^{23}\) molecules/mol, we can calculate the number of moles of Li2SO4 in 1.2 x \(10^{24}\)formula units.

First, we need to figure out how many moles of \(Li_{2} (SO)_{4}\)  are needed to equal 1.2 x \(10^{24}\)  formula units:

Formula units equal 6.022 x \(10^{23}\) per mole of \(Li_{2}(SO)_{4}\).

As a result, there are: 1.2 x \(10^{24}\) moles of \(Li_{2}(SO)_{4}\) in the formula units.

1.993 moles are equal to 1.2 x \(10^{24}\) formula units / 6.022 x \(10^{23}\) formula units/mol.

Hence, 1.2 × \(10^{24}\) formula units of \(Li_{2} (SO)_{4}\) contain about 1.993 moles.

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Answer: 0.86 mol

This is a molarity problem, in which M is defined by:

\(\frac{n(moles of solute)}{v(liters of solution)}\)and the units are moles/liter

With this information in mind, we can plug in M and v already so that:

1.6 \(\frac{mol}{L}\)= \(\frac{xmol}{0.54L}\) of Fe₂O₃

If we multiply 0.54 L from both sides, we will get:

0.864 mol = x mol of Fe₂O₃

Rounding that to sigfigs, we get that the number of moles within this Fe₂O₃ solution is 0.86 mol; therefore, that is the answer.

I hope this helped!

The overall thermal energy change for the process of dissolving methanol in water can be predicted as an exothermic reaction. When methanol molecules are mixed with water, intermolecular forces between the methanol and water molecules are formed.

This results in the release of energy, leading to an overall decrease in thermal energy. The dissolution process involves the breaking of the attractive forces between methanol molecules and the formation of new attractive forces between methanol and water molecules. As a result, energy is released, causing an increase in the temperature of the surrounding environment. Therefore, the overall thermal energy change for the process of dissolving methanol in water is predicted to be negative or a decrease in thermal energy.

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Explanation:

Density = mass/volume

.: volume = mass/density

Volume = 77/3.5

Volume = 22cm³

Answer:

O begins to boil

Explanation:

When the vapor pressure of a liquid is equal to the atmospheric pressure, the liquid suddenly begins to boil.

Answer:

has no observable changes

Explanation:

Answer:$$7.50 x 10^23$$

$$H_2SO_4$$?

Explanation:It is a fact that such a quantity has a mass of  

98.08

⋅

g

. Why? Because  

6.022

×

10

23

particles SPECIFIES a molar quantity. And we know (or can calculate) that sulfuric acid has a molar mass of  

98.08

⋅

g

...  

The oxygen atom in a water molecule experiences a negative partial charge, while the hydrogen atoms experience a positive partial charge.

The dipolar nature of a water molecule arises due to the difference in electronegativity between oxygen and hydrogen atoms. Oxygen is more electronegative than hydrogen, meaning it has a higher affinity for electrons.

As a result, the oxygen atom in a water molecule attracts the shared electrons towards itself, creating a partial negative charge (denoted as δ-) on the oxygen atom. On the other hand, the hydrogen atoms lose some of their electron density, resulting in a partial positive charge (denoted as δ+) on the hydrogen atoms.

This gives rise to the characteristic bent shape of a water molecule and the formation of hydrogen bonds with other water molecules, which are crucial for its unique properties such as high boiling point, surface tension, and solvation abilities.

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Answer:

here

Explanation:

1s22s22p63s23p1.

Answer:

I think the answer is c I'm not sure but probaly dont put c if your. ot sure try looking up the answers that helps me alot through my word

The volume of H₂ gas produced is approximately 90 L, Option (b) is correct.

To find the volume of H₂ gas produced when 60 L of ammonia (NH₃) is decomposed, we use the balanced chemical equation for the decomposition of ammonia:

2 NH₃(g) → 3 H₂(g) + N₂(g)

According to the equation, 2 moles of ammonia produce 3 moles of hydrogen gas (H₂). At STP (Standard Temperature and Pressure), 1 mole of any gas occupies 22.4 liters.

First, calculate the moles of ammonia present in 60 L:

Moles of NH₃ = Volume / Molar Volume at STP = 60 L / 22.4 L/mol ≈ 2.68 moles

Using the stoichiometric ratio, 3 moles of H₂ are produced from 2 moles of NH₃. So, we can calculate the moles of H₂ produced:

Moles of H₂ = (3/2) * Moles of NH₃ ≈ (3/2) * 2.68 moles ≈ 4.02 moles

Now, find the volume of H₂ gas produced:

Volume of H₂ = Moles of H₂ * Molar Volume at STP = 4.02 moles * 22.4 L/mol ≈ 89.9 L

Rounded to one decimal place, the volume of H₂ gas produced is approximately 90 L, which corresponds to option b).

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Answer:

C8H16

Explanation:

First thing to do here is to calculate the molar mass of the compound

Mathematically;

molar mass = mass/number of moles

we can calculate the number of moles using the ideal gas equation

Mathematically;

PV = nRT

n = PV/RT

where p is the pressure at 5 atm

V is the volume at 568 ml = 568/1000 = 0.568 L

R is the molar gas constant which is 0.0821

T is the temperature which is 120+ 273 = 393k

Inserting these values into the equation, we have

n = (5 * 0.568)/(0.0821 * 393)

n = 0.088 moles

So the molar mass = 10/0.088

= 114 g/mol

Now let’s go to the percentages

C = 84.2/12 = 7.016666666666667

H = 15.8/1 = 15.8

divide by the smallest

C = 7.016666666666667/7.016666666666667 = 1

H = 15.8/7.016666666666667 = 2 approximately

The empirical formula is CH2

So for the molecular formula, we have;

(12 + 2)n = 114

14n = 114

n = 114/14 = approximately 8

So the molecular formula of the liquid will be (CH2)n = C8H16

To find the concentration of the sulfuric acid, you can use the concept of stoichiometry in the neutralization reaction between NaOH and H2SO4.

The balanced chemical equation for this reaction is: 2 NaOH + H2SO4 → Na2SO4 + 2 H2O

From the balanced equation, we see that 2 moles of NaOH react with 1 mole of H2SO4. Now, use the given information:

Volume of NaOH = 42.14 mL
Molarity of NaOH = 0.09455 M
Volume of H2SO4 = 25.00 mL

First, find the moles of NaOH:
moles of NaOH = Molarity × Volume (in L)
moles of NaOH = 0.09455 M × (42.14 mL / 1000)
moles of NaOH = 0.003984 moles

Next, using the stoichiometry from the balanced equation, find the moles of H2SO4:
moles of H2SO4 = (moles of NaOH / 2)
moles of H2SO4 = 0.003984 moles / 2
moles of H2SO4 = 0.001992 moles

Finally, calculate the concentration of H2SO4:
Concentration of H2SO4 = moles of H2SO4 / Volume (in L)
Concentration of H2SO4 = 0.001992 moles / (25.00 mL / 1000)
Concentration of H2SO4 = 0.07968 M
So, the concentration of the sulfuric acid solution is 0.07968 M.

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To determine the concentration of the sulfuric acid (H2SO4), we'll use the concepts of molarity and stoichiometry.

1. Write the balanced chemical equation:
2NaOH + H2SO4 → Na2SO4 + 2H2O

2. Calculate the moles of NaOH using its molarity and volume:
Moles of NaOH = Molarity of NaOH × Volume of NaOH (in liters)
Moles of NaOH = 0.09455 M × 0.04214 L = 0.003985 moles

3. Use the stoichiometry from the balanced equation to find the moles of H2SO4:
2 moles NaOH : 1 mole H2SO4 (2:1 ratio)
Moles of H2SO4 = 0.003985 moles NaOH × (1 mole H2SO4 / 2 moles NaOH) = 0.0019925 moles

4. Calculate the concentration of H2SO4 using the moles and volume of the solution:
Molarity of H2SO4 = Moles of H2SO4 / Volume of H2SO4 (in liters)
Molarity of H2SO4 = 0.0019925 moles / 0.02500 L = 0.0797 M

Your answer: The concentration of the sulfuric acid (H2SO4) is 0.0797 M.

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Answer:

gram

Explanation:

Gram is a SI unit       (International Ststem of units)

   other SI units :   kg , meter, ampere,  Kelvin

pound   gallon and foot are   SAE (or imperial) units

Alcohol is more soluble in water than ether. And CH4 is non polar. So, CH4 will be almost insoluble water.

CH3OH - most soluble

CH3-O-CH3 - second

CH4 - least soluble.

Solubility is defined as the maximum amount of a substance that will dissolve in a specified amount of solvent at a specified temperature. Solubility is a characteristic property of a particular solute/solvent combination, and different substances have very different solubilities.

Solubility can be expressed in grams of solute in one liter of saturated solution. For example, the solubility in water at 25 oC is 12 g/L. Molar solubility is the number of moles of solute per liter of saturated solution. For example, 0.115 mol/L at 25 oC

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