which intermolecular force (imf) is characteristic of compounds that are liquids at room temperature and have relatively high boiling points?

Answer:

C

Explanation:

Isotopes are atoms of the same elements having same atomic number but different mass number

We first verify that the equation is balanced. We have 5 carbons (C), 2 sulfurs (S), and 4 oxygens (O) on each side of the reaction. So the reaction is balanced.

a) Now if we look at the reaction we can see that when 2 moles of SO2 react, 1 mole of CS2 is produced. That is, the ratio is 2 to 1. For each mole of SO2 half as many moles of CS2 will be produced.

So if we have 9.5 moles of SO2 we will have 9.5/2 moles, that is 4.75 moles of CS2.

Answer a) By reacting 9.50 moles of SO2 with an excess of it would be produced 4.75 moles of CS2.

Now, for the following parts of the question, we can apply the ideal gas law. This is because the reaction is in the gas phase and the law applies only to gases.

Where,

P= Pressure at STP = 1 atm

T= Temperature at STP = 273.15K

R= Ideal law constant = 0.08206 (atm L)/(mol K)

V= Volume of the gas

n= Numer of moles

b)We clear n and we replace the known values of SO2 to find the number of moles of SO2 that react.

Now, for each mole of SO2 that reacts we need 5/2 moles of C, that is 0.24x5/2=0.61 moles of C.

We use mass molar of C to calculate the grams.

Mass molar of C=12.01g/mol

Mass of C= Moles of C x Mass Molar

Mass of C= 0.61 mol x 12.01 g/mol = 7.37 g

So, To fully react 5.5 L of SO2 at STP we will need 7.37 g of C.

c)We apply the gas law again but this time we clear the volume.

We also take into account that for each mole of C, 4 moles of CO are produced, so if we have 20 moles of C we will produce 20x4=80 moles of CO.

So, from 20.0 moles of C at STP can be produced 1793.18 liters of CO

Answer:

0.694 cents per second

Explanation:

25x100=2500 cents per hour, 2500/60 = 41.67 per minute and 41.67/60=0.694 cents per second

Answer:This is a Flint lighter, It's usually used to make sparks to light things like burners in chemistry.

Explanation:

Nitric oxide and 21.6 grams of \(C_3H_6\)may combine to make roughly 21.62 grams of \(C_3H_3N\).

To determine the approximate mass of acrylonitrile (\(C_3H_3N\)) that can be produced from the given reactants, we first need to write and balance the chemical equation for the reaction. The reaction between \(C_3H_6\)(propene) and nitric oxide (NO) to produce acrylonitrile is as follows:

2 \(C_3H_6\)+ 2 NO -> 2 \(C_3H_3N\)+ 2 \(H_2O\)

From the balanced equation, we can see that the molar ratio between \(C_3H_6\)and \(C_3H_3N\)is 2:2, which simplifies to 1:1. This means that the molar mass of \(C_3H_6\)is equal to the molar mass of \(C_3H_3N\).

To calculate the molar mass of \(C_3H_6\), we sum the atomic masses of carbon (C) and hydrogen (H):

Molar mass of \(C_3H_6\)= (3 × atomic mass of C) + (6 × atomic mass of H)

Using the atomic masses from the periodic table:

Molar mass of \(C_3H_6\)= (3 × 12.01 g/mol) + (6 × 1.01 g/mol) = 42.09 g/mol

Since the molar mass of \(C_3H_6\) is equal to the molar mass of \(C_3H_3N\), the molar mass of \(C_3H_3N\)is also 42.09 g/mol.

Now, let's calculate the number of moles of \(C_3H_6\) and \(C_3H_3N\)using their respective masses:

Number of moles of \(C_3H_6\)= Mass of \(C_3H_6\) / Molar mass of \(C_3H_6\)

= 21.6 g / 42.09 g/mol

≈ 0.514 mol

Number of moles of \(C_3H_3N\)= Number of moles of \(C_3H_6\)(due to 1:1 molar ratio)

≈ 0.514 mol

Finally, to find the mass of \(C_3H_3N\), we multiply the number of moles by its molar mass:

Mass of \(C_3H_3N\)= Number of moles of \(C_3H_3N\)× Molar mass of \(C_3H_3N\)

≈ 0.514 mol × 42.09 g/mol

≈ 21.62 g

Therefore, Nitric oxide and 21.6 grams of \(C_3H_6\)may combine to make roughly 21.62 grams of \(C_3H_3N\).

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Here, 3x10^23 molecules of water are equal to 0.5 moles of water.

There are many ways to find the number of moles of a compound, but to convert the number of molecules of water to moles of water, Avogadro's number needs to be known.

The formula used to find the number of moles is:

moles = (Number of molecules) / (Avogadro's number)

As Avogadro's number = 6.022 x 10^23 molecules/mole.

The given number of molecules is 3x10^23.

Putting the values in the above equation;

(3 x 10^23 molecules of water) / (6.022 x 10^23 molecules/mole) = 0.498 moles of water

Rounding off the value gives 0.5 moles of water.

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A chloride ion (Cl-) has the same number of electrons as a neutral atom of chlorine (Cl).

A neutral atom of chlorine has 17 electrons in its outermost shell. When it gains an electron, it becomes a negatively charged ion known as chloride ion.

This additional electron fills up the outermost shell, which now has a total of 18 electrons. This is because the number of electrons in an atom is equal to the number of protons in the nucleus, which determines the atomic number and the element.

When an atom gains or loses an electron, it becomes an ion with a positive or negative charge, respectively.

This is because the number of protons in the nucleus still determines the atomic number and element, but the number of electrons now differs from that of a neutral atom. In the case of a chloride ion, it has 18 electrons, which is one more than a neutral atom of chlorine.

The extra electron creates an excess negative charge, balancing out the positive charge of the 17 protons in the nucleus.

It's worth noting that while a chloride ion has the same number of electrons as an argon atom, they are not the same element. Argon has 18 protons in the nucleus, while chlorine has 17.

Additionally, argon's electron configuration is such that all of its shells are filled, whereas chlorine's outermost shell has room for one more electron before it becomes full.

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Answer: (P2/P1)=(T2/T1)

(P2/1200.0kPa)=(387/283)

P2=(387K/283K) * (1200kPa)

P2= 1641kPa

Explanation:

An Oxygen Tank has a pressure of 1200 Kpa at 283K and when temp. is increased to 378 K then pressure will be 1,602.82 kpa.

From the ideal gas equation it is clear that pressure of gas is directly proportional to the temperature, and for this question required equation will be:

P₁/T₁ = P₂/T₂, where

P₁ = initial pressure of oxygen tank = 1200 kpa

T₁ = initial temperature of oxygen tank = 283 K

P₂ = final pressure of oxygen tank = ?

T₂ = final temperature of oxygen tank = 378 K

On putting values, we get

P₂ = (1200)(378) / (283) = 1,602.82 kpa

Hence resultant pressure of the oxygen tank is  1,602.82 kpa.

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Answer:

74

Explanation:

The molar mass of calcium hydroxide, Ca(OH)2 , is 74.092 g/mol .

The most common way of preventing bumping is by adding one or two boiling chips to the reaction vessel. However, these alone may not prevent bumping and for this reason it is advisable to boil liquids in a boiling tube, a boiling flask, or an Erlenmeyer flask.

Once both temperatures are identical, there is no overall transfer of heat since the quantity of heat transmitted form one component to the next is equal to the amount.

There are numerous people or things if you state there is any quantity of people or things. Any quantity of money is readily available to me at any time.You can count the volume of air in the bottle or the volume of fluid in a beaker. In a similar manner, you can determine how much cat hair is visible on an area rug or how much salt a patient has just consumed.

A base's positive ion cation and an anion make up a salt.

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The concentration of gypsum in solution increased while that of sulfates decreased. The rate of gypsum precipitation decreased with time.

The experimental results revealed that the concentration of gypsum in solution increased with time, while that of sulfates decreased. This trend can be explained by the reaction between calcium and sulfate ions in the solution, which led to the precipitation of gypsum. The concentration of sulfate ions in solution decreased with time due to their consumption in the reaction.

As a result, the rate of gypsum precipitation decreased over time. The findings suggest that the reaction was not complete, and that a fraction of sulfate ions remained in solution. To investigate this further, one could perform additional experiments to measure the concentration of sulfate ions at various time points during the reaction.

In addition, one could study the effect of temperature, pH, and other parameters on the reaction rate and the properties of the gypsum crystals formed. Finally, one could compare the experimental results with theoretical models to gain a deeper understanding of the reaction kinetics and mechanisms.

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Answer:

The valence electron configuration determines the group to which an element belongs to.

Explanation:

The valence electron configuration of an atom of an element refers to the number of electrons in that atoms outermost shell.

The valence electron configuration is related to the group number of an element in that the number of electrons in the valence shell of an atom of an element determines the group to which an element belongs to. For example, all elements having one valence electron belong to group IA of the periodic table. Similarly, all elements having seven valence electrons belong to group VIIA of the periodic table.

This is because, since the reactivity of an element is related to its ability to either gain or lose a certain number of electrons in its valence shell, elements having same number of valence electrons have similar chemical properties.

Answer:

7.5X1000

scientific notation

Answer:

the valency of sodium is one because sodium loses 1 electron to become stable

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

Explanation:

Explanation:

2 KOH (aq) + H2SO4 (aq) →K2SO4 (aq) + 2 H2O (l)

When we add more carbon in the atmosphere it warms the planet and helps the plants on land grow more. Excess of carbon can makes the water more acidic.

When carbon dioxide is added to atmosphere it reacts with water to form carbonic acid from which hydrogen ions dissociate and results in increasing the acidity of the system. So we can say that in addition to any greenhouse effect the anthropogenic carbon dioxide emissions to the atmosphere can increase the acidity of the atmosphere and precipitation of the atmosphere. Most of the plant species show higher rates of photosynthesis which cause increased growth and the decreased water use and lowered tissue concentrations of nitrogen and protein of the water.

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The correct question is,

What happens when too much CO2 enters the atmosphere?

Answer:

50%

Explanation:

1.5 ounces of 80-proof liquor(vodka,rum tequila, etc):about 40% ABV.1 ounce of 100-proof liquor: about 50% ABV

Answer:

Explanation:

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

From the question

mass = 54 g

volume = 20 cm³

Substitute the values into the above formula and solve for the density

That's

We have the final answer as

Hope this helps you

At equilibrium, a significant quantity of starting ketone will be present with the enolate in the first case.

Ketones are substances produced by the liver. It is formed when there is insufficient insulin in the body to turn sugar into energy.

In this case a substantial amount of ketone will exist along side the enolate at equilibrium.


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The amount (in pounds) the gasoline tank will hold when full is 153.76 lb

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

1 gallon = 3785.412 mL

Therefore,

25 gallon = 25 × 3785.412

25 gallon = 94635.3 mL

Mass = Density × Volume

Mass = 0.737 × 94635.3

Mass = 69746.2161 g

453.592 g = 1 lb

Therefore,

69746.2161 g = 69746.2161 / 453.592

69746.2161 g = 153.76 lb

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The reaction of methyl iodide with sodium azide, NaN₃, proceeds by an SN2 mechanism. The effect of doubling the concentration of NaN₃ on the rate of the reaction is the rate increases by a factor of 2. The correct answer is C.

The alkyl halide is attacked by the nucleophile as the SN2 mechanism. as a partial bond is formed involving the nucleophile and carbon atom. Halide and carbon's bond partially dissolves. A transition is created where there are five bonds around the carbon atom. The product is created when the leaving group, which is a halide, removes the electrons from the C-X link and departs the molecule.

R-X + Nu⁻ → Nu 

--R--X → Nu-R + X⁻ 

Since a transition state that contains both a nucleophile and a substrate is used for the nucleophilic substitution. It was discovered that the concentration of the substrate and the nucleophile both affect the rate of the reaction.

Rate = k [substrate] [nucleophile]

Since sodium azide is the nucleophilic species and methyl iodide is the substrate,

Rate = k[CH₃I][NaN₃]

both the reactants take part in the reaction and the rate law for the reaction. As a concentration of NaN₃ is doubled, the new rate becomes,

Rate' = k[CH₃I][2 NaN₃]

        = 2 k[CH₃I][NaN₃]

        = 2 Rate

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The order of strongest to weakest is as follows hydrogen bonds, dipole-dipole forces and dispersion forces. The strongest intermolecular forces are hydrogen bonds.

The high boiling point of water is a result of this connection. These bonds are crucial to the structure of both synthetic and organic polymers. Water, or H2O, is an illustration of a hydrogen bond.

Due to the persistent polarity of molecules that exists between polar molecules at the tail and head of the molecule itself, dipole-dipole forces are rather weak. Hydrochloric acid, also known as HCL, is an illustration of dipole-dipole forces.

The momentary generated dipole that causes an unequal electron density makes dispersion forces the weakest intermolecular interactions. Methane or molecules containing CH4 are an illustration of dispersion force.

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Answer:

Explanation:

I'm sorry, but without more information about the specific simulation you are referring to, I am unable to provide a detailed answer. However, in general, water and neon are chemically and physically quite different. Water is a molecule made up of two hydrogen atoms and one oxygen atom (H2O) and is a liquid at room temperature. Neon, on the other hand, is a gas composed of neon atoms (Ne) and is a noble gas.

Water is polar molecule due to the difference in electronegativity of H and O atoms, it is essential for life on earth and is abundant in nature. Neon, being a noble gas, is chemically unreactive and does not form compounds. It is used mainly for lighting and in some industrial processes.

Both water and neon are transparent, but neon is much less dense than water. Also, the boiling point of neon is much lower than that of water.

In summary, water and neon are chemically and physically very different, with water being a polar liquid, essential for life and essential for many chemical reactions, and neon being a noble gas, chemically unreactive, mostly used for lighting and in some industrial processes.

Entropy measures the disorder in a system, hence, option C is the correct answer.

Entropy is a thermodynamic characteristic that measures the degree of disorder or unpredictability in a system. It is a measure of the number of alternative energy distributions among a system's constituent particles or components, with each distribution corresponding to a different state of the system.

Entropy, in other terms, is a measure of the system's microstates, which are the many configurations of particles or components with the same macroscopic attributes.

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The correct abbreviation for each metric unit is:

Kilogram - kg, Milliliter - ml, Kilometer- Km, Meter- m, Millimeter - mm, Centimeter - cm, Gram - g,  Liter - L, and Milligram - mg.

The metric system can be described as a system of measurement that succeeded the decimalized system based on the meter.  Each of the fundamental dimensions can be expressed by a single base unit of measure.

For quantities derived from the base units of the system, units derived from the base units are used such as the square meter being the derived unit for the area, a quantity derived from length.

Metric units can be described as units based on the meter, gram, or second and decimal multiples or sub-multiples of these. The units of the International System of Units (SI). By extension, they involve units of electromagnetism from the CGS units and SI units systems.

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