kinetic or potential energy.

Deviations from the ideal gas law be observed for gaseous nitrogen at 180 gpa and room temperatureA. No, because both temperature and pressure must increase before such deviations are observed.

Deviation from the ideal gas law can be observed at high pressure and low temperature, or low pressure and high temperature. Therefore, at 180 GPa and room temperature, deviations from the ideal gas law may be observed for gaseous nitrogen. The deviation is caused by the intermolecular interactions between gas molecules, which become more significant at high pressure. Therefore, option A is incorrect, and option B is also incorrect because it incorrectly suggests that nitrogen molecules do not interact with each other, which is not true.

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A. Friability is not a characteristic of hazardous waste according to the EPA.

The EPA has identified four characteristics of hazardous waste: toxicity, ignitability, corrosivity, and reactivity. Toxicity refers to the potential of a waste material to cause harm or death to living organisms, including humans and animals, through exposure. Ignitability refers to the potential of a waste material to catch fire and burn easily under certain conditions, such as when exposed to heat, sparks, or flames. Corrosivity refers to the potential of a waste material to corrode or dissolve metal containers, tanks, or other equipment, as well as to cause skin or eye damage upon contact. Reactivity refers to the potential of a waste material to react violently or explosively when exposed to other substances or conditions, such as water, air, or pressure. Friability, on the other hand, refers to the tendency of a material to crumble, break, or fall apart easily, especially when subjected to pressure or vibration. While friability may be a concern for certain materials, it is not considered a characteristic of hazardous waste by the EPA.

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The answer is 3 times

Edit: I'm so sorry if this is incorrect!!!

Anhydrous calcium chloride is added to an ether solution because it acts as a desiccant, which absorbs water and other impurities that can cause problems during an ether-based extraction. Specifically, the anhydrous calcium chloride helps to maintain an anhydrous (water-free) environment, which prevents the ether solution from reacting with the water present and forming an azeotrope.

Calcium chloride is a hygroscopic compound, which means it has the ability to absorb water from the surrounding environment. When added to the ether solution, it will attract any water molecules present and form a solid hydrate, which can then be easily removed from the solution. This is important because water can interfere with the reactions or processes being carried out in the ether solution, so it is important to remove it before proceeding.

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Answer: The answer would be 158,200

Answer:

904 µm = 9.04E-7 km

Explanation:

To convert a micrometer measurement to a kilometer measurement, divide the length by the conversion ratio. One kilometer is equal to 1,000,000,000 micrometers, so use this simple formula to convert:

kilometers = micrometers ÷ 1,000,000,000

The length in kilometers is equal to the micrometers divided by 1,000,000,000.

Answer:

9.04e-7km=904mircometers

Explanation: The formula for this multiplies the length value by 1e+9

If you're still confused, please let me know!

Answer:

the answer is 51 L please brainliest

Explanation:

The volume of  2. 0 moles of nitrogen at 720 torr and 20. 0°C is 51 L

Using the formulae,   PV=nRT

Recall that

1 torr= 0.00132atm

Such that

P=720torr =720 x  0.00132atm= 0.95atm

Also,

V= 20°C= 20+273= 293K

R=0.08206L-atm/mol-K

Solving, we have that

PV=nRT

0.95×V= 2×0.08206×293

V= 2×0.08206×293/ 0.95

V= 50.62L

Rounded to  51 L.

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The concentration of A decreases and then levels out. Option A

In many chemical reactions, a reactant is consumed as the reaction progresses, leading to a decrease in its concentration over time. The reactant molecules are transformed into products, and as the reaction proceeds, the concentration of the reactant gradually diminishes.

At equilibrium, the concentrations of both reactants and products remain relatively constant over time, although they can coexist.

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Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question we have

\(density = \frac{2.06}{3.10} \\ = 0.664516..\)

We have the final answer as

Hope this helps you

Answer:

15.5 moles

Explanation:

Applying,

PV = nRT.................. Equation 1

Where P = pressure, V = Volume, n = number of mole, R = molar gas constant, T = Temperature.

Make n the subject of the equation

n = PV/RT............... Equation 2

From the question,

Given: P = 0.899 atm, V = 425 L, T = 24 °C = (273+24) K = 297 K.

Constant: R = 0.083 L.atm/K.mol

Substitute these values into equation 2

n = (0.899×425)/(297×0.083)

n = 15.5 moles

If the hydrogen gas is combusted and produces 645L of water vapor at 400 kelvin and 1.75 atm, 2796.96 g mass of the zinc is produced .

Using the ideal gas law equation:

PV = nRT

n = (PV) / (RT)

= (1.75 atm * 645 L) / (0.0821 atm·L/(mol·K) * 400 K)

= 42.71 moles

the balanced equation for the reaction between zinc and hydrochloric acid:

Zn + 2HCl -> \(ZnCl_{2}\)  + \(H_{2}\)

1 mole of zinc produces 1 mole of hydrogen gas. Therefore, the moles of zinc are also 42.71.

The molar mass of zinc is 65.38 g/mol.

Mass of zinc = moles of zinc * molar mass of zinc

= 42.71 moles * 65.38 g/mol

= 2796.96 g

Therefore, the mass of the zinc is 2796.96 grams.

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In a methyl tert-butyl ether sample that contains 69.0 moles of hydrogen, there are 5.75 moles of oxygen.

Methyl tertiary-butyl ether (MTBE), also known as methyl tert-butyl ether and tert-butyl methyl ether, is an organic chemical with the structural formula (CH3)3COCH3. MTBE is a colorless, flammable liquid that is only weakly soluble in water. MTBE is primarily a fuel additive that is mixed with gasoline to improve knock resistance and cut back on unwelcome emissions.

Methanol and isobutylene combine chemically to produce MTBE. Natural gas, especially methane, contains a variety of light hydrocarbons that steam reforming can transform into carbon monoxide and hydrogen. The resultant gases then continue to react in the presence of a catalyst to produce methanol. There are numerous ways to make isobutylene.

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During that icy hot lab, 65,000 J of energy was transferred to 450 g of water at 20°C, the final temperature of the water will be 54.5 °C.

Energy transferred = 65,000 J or 65 KJ

Mass of the water = 450 g

Initial temperature (T1) = 20 °C

Final temperature (T2) = ?

Specific heat of H2O = 4.186 J /g. °C

We will calculate the final temperature by using the following equation.

q = m.c.ΔT

Rearrange it for ΔT

ΔT = q / m.c

And ΔT = T2 - T1

Put ΔT value in the equation

T2 - T1 = q / m.c

Put the values

T2 - 20°C = 65000 j / 450 g × 4.186 J /g. °C

T2 - 20°C = 65000 j / 1883.7 j /°C

T2 - 20°C = 34.51 °C

T2 = 34.51 °C + 20 °C

T2 = 54.5 °C

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Answer:

radiation i think

Explanation:

thts why the solar panels can maķe electricity

\(\\ \sf\longmapsto C_3H_8+O_2\longrightarrow 4H_2O+3CO_2\)

The spectator ions are Na+ and I when mixing aqueous solutions of BaI2 and Na2SO4 to create a precipitate of BaSO4.

What are spectator ions?

Spectator ions are ions that are present on both sides of chemical reactions but do not take part in the reaction itself. In the net chemical reaction, the spectator ions on both sides of the equation are cancelled. So, to "spectate" is to "see" the other ions in an aqueous solution interact with one another.

The spectator ions are Na+ and I when mixing aqueous solutions of BaI2 and Na2SO4 to create a precipitate of BaSO4.

Let's look at the chemical formula for the reaction that happens when BaI2 and Na2SO4 are combined in aqueous solution. This reaction involves two displacements.

BaSO4(s) + 2 NaI = BaI2(aq) + Na2SO4(aq) (aq)

Let's now have a look at the net ionic equation, which takes into account both the insoluble species and the reacting ions (not spectator ions).

Ba2+(aq) SO42(aq) BaSO4 (s)

As we can see, Na+ and I are the spectator ions that are missing from the net ionic equation.

The spectator ions are Na+ and I when mixing aqueous solutions of BaI2 and Na2SO4 to create a precipitate of BaSO4.

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Answer:

i wonder...................

Explanation:

To determine the amount of water and methane needed, we can set up a system of equations based on the desired composition of the mixture. you should use 36 gallons of water and 54 gallons of methane to obtain a mixture of 90 gallons with a methane concentration of 60%.

Let's assume x represents the number of gallons of water and y represents the number of gallons of methane. We have the following information: The total volume of the mixture is 90 gallons: x + y = 90. The mixture should be 60% methane: (y / (x + y)) * 100 = 60. Simplifying the second equation: y / (x + y) = 0.6. Now we can solve the system of equations: From equation 1, we can express x in terms of y: x = 90 - y. Substituting this into equation 2: y / ((90 - y) + y) = 0.6. Simplifying further: y / 90 = 0.6. Solving for y: y = 0.6 * 90. y = 54. Now we can find x using equation 1: x = 90 - y. x = 90 - 54. x = 36. Therefore, you should use 36 gallons of water and 54 gallons of methane to obtain a mixture of 90 gallons with a methane concentration of 60%.

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Answer:

a) Methanol + Ethanoic acid → Methyl ethanoate + Water

CH3OH + CH3COOH → CH3COOCH3 + H2O

Ester formed: Methyl ethanoate

b) Methanol + Methanoic acid → Methyl methanoate + Water

CH3OH + HCOOH → HCOOCH3 + H2O

Ester formed: Methyl methanoate

c) Butanol + Propanoic acid → Butyl propanoate + Water

CH3CH2CH2CH2OH + CH3CH2COOH → CH3CH2CH2CH2COOCH2CH3 + H2O

Ester formed: Butyl propanoate

d) Propanol + Butanoic acid → Propyl butanoate + Water

CH3CH2CH2OH + CH3CH2CH2COOH → CH3CH2CH2COOCH2CH5 + H2O

Ester formed: Propyl butanoate

e) Ethanol + Pentanoic acid → Ethyl pentanoate + Water

CH3CH2OH + CH3CH2CH2CH2COOH → CH3CH2CH2CH2COOCH2CH3 + H2O

Ester formed: Ethyl pentanoate

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Answer:D

Explanation:it makes sense alot

Answer: D) A relative humidity of 95%

Explanation:

Answer:

Hydrogen bonding

Explanation:

Water is a compound found readily in nature. It is made up of interatomic forces of covalent bonds that connects the hydrogen and oxygen bonds together in a definite ratio.

Answer:

The following is the correct match:  

1. Luster refers to how the reflection of the light takes place from a mineral.  

2. Cleavage signifies a manner in which the dissociation of a mineral occurs at the time of stress.  

3. Streak helps in the identification of a true and natural color of a mineral.  

4. Color is the least reliable characteristic of determination.  

5. Hardness is determined with the application of the Mohs scale.  

An alloy is obtained when an element is combined with another physically and not chemically. The image that accurately represents steel is the image in which carbon atoms are sandwiched between iron atoms.

Steel is an alloy of iron and carbon. In an alloy, the atoms one element is sandwiched in between atoms of another element in its crystal. Usually, allows are formed to improve certain desired properties of substances. The percentage of carbon included in steel depends on its intended use.

The image that can be used to represent the formation of steel is the image shown in B. In that image, small atoms of carbon are seen sandwiched between larger iron atoms. That is the accurate description of steel.

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C) equally shared and form nondirectional bonds

In metals, electrons are free to move as described by the electron sea model. Electrons are shared equally among atoms, and the structure is based on simple close-packed structures that contain no fixed directional bonds.

Answer:

mass of iron in grams  = 1.493×\(10^{-23}\) g

Explanation:

Since one mole of anything is equal to 6.022×\(10^{23}\) of that thing, we can apply that to atoms as well. 1 mol of iron = 55.85g. i.e. the molar mass of iron = 55.85g/mol.

To find the number of moles present, we can divide the number of atoms by the number of atoms in 1 mole, i.e Avogadro's Constant (6.022×\(10^{23}\)).

\(\frac{N}{N_{A}} = n\)

∴ n(Fe) = 502/6.022×\(10^{23}\) = 8.3361×\(10^{-22}\) mol of iron

Finally, to find the mass of iron present, we can divide the number of moles by the molar mass.

\(\frac{n}{M}} = m\)

∴ m(Fe) = 8.3361×\(10^{-22}\)/55.85 = 1.493×\(10^{-23}\) g. (4 sig. fig.)