what is the mass of 5.8 moles of H2S

2L CO gas produce 1L N2 gas  

6.8L CO gas will produce 6.8/2 = 3.4L N2 gas

The correct amount of solute should be obtained by measuring out x g of solid sucrose on a balance. Option b is the correct answer.

A solute is a substance that is dissolved in a solution, while a solvent is the substance that does the dissolving. A solution is a homogeneous mixture of two or more substances, where the solute is evenly distributed throughout the solvent.

                         When preparing a solution, it is important to accurately measure out the amount of solute required to ensure that the solution is of the desired concentration. In order to do this, a balance should be used to measure out the mass of the solute in grams (g).

                                 Measuring out a certain number of moles or centimeters of the solid sucrose would not be an accurate way to obtain the correct amount of solute needed for a solution.

Learn more about solute

brainly.com/question/7932885

#SPJ11

Answer:

D. A process that breaks down large rocks into smaller pieces.

Explanation:

Physical weathering if referred to the process of rocks breaking apart without changing their chemical composition. If you look at the other answers, none of them match the description of physical weathering.

Answer:

A process that breaks down large rocks into smaller pieces.

Answer:

To use the Clausius-Clapeyron equation, we need to know two sets of conditions for the substance in question. Let's start with question 1:

Question 1:

Given:

Enthalpy of vaporization, ΔHvap = 35.2 kJ/mol

Vapor pressure at T1 = 1 atm (or 760 torr), T1 = 64.7°C

We want to find: Vapor pressure at T2 = 41.9°C

First, we need to convert temperatures to Kelvin:

T1 = 64.7 + 273.15 = 337.85 K

T2 = 41.9 + 273.15 = 315.05 K

Now we can use the Clausius-Clapeyron equation:

ln(P2/P1) = -ΔHvap/R * (1/T2 - 1/T1)

where P1 and P2 are the vapor pressures at temperatures T1 and T2, respectively, R is the gas constant (8.314 J/mol·K), and ln is the natural logarithm.

Solving for P2, we get:

P2/P1 = e^(-ΔHvap/R * (1/T2 - 1/T1))

P2 = P1 * e^(-ΔHvap/R * (1/T2 - 1/T1))

Substituting the given values, we get:

P2 = 1 atm * e^(-35.2 kJ/mol / (8.314 J/mol·K) * (1/315.05 K - 1/337.85 K))

P2 = 0.496 atm

Rounding to three decimal places, the vapor pressure of methanol at 41.9°C is 0.496 atm.

Answer: 0.496 atm

Question 2:

Given:

Enthalpy of vaporization, ΔHvap = 27.5 kJ/mol

Vapor pressure at T1 = 760 torr, T1 = 34.6°C

We want to find: Vapor pressure at T2 = 0.1°C

Converting temperatures to Kelvin:

T1 = 34.6 + 273.15 = 307.3 K

T2 = 0.1 + 273.15 = 273.25 K

Using the Clausius-Clapeyron equation:

ln(P2/P1) = -ΔHvap/R * (1/T2 - 1/T1)

Solving for P2, we get:

P2/P1 = e^(-ΔHvap/R * (1/T2 - 1/T1))

P2 = P1 * e^(-ΔHvap/R * (1/T2 - 1/T1))

Substituting the given values, we get:

P2 = 760 torr * e^(-27.5 kJ/mol / (8.314 J/mol·K) * (1/273.25 K - 1/307.3 K))

P2 = 7.25 torr

Rounding to one decimal place, the vapor pressure of dimethyl ether at 0.1°C is 7.3 torr.

Answer: 7.3 torr

Answer:

According to the numbers 1-5;Aluminium,Mercury,Oxygen,Stainless Steel,Hydrogen gas.

Explanation:

Answer:

Option A - nucleus

Explanation:

A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements, we call that a compound. All compounds are molecules, but not all molecules are compounds.

Two atoms combine to form a molecule.

What is a molecule?

What is a nucleus?

What is a proton?

What is an electron?

Learn more about Molecules at https://brainly.com/question/13348791

#SPJ2

Yes, abandoning out the nacl changes the specificity or sensitivity of the medium.

The omission of NaCl in a medium could alter the medium's specificity or sensitivity, depending on the specific medium and its intended purpose. NaCl is often added to culture media as a source of electrolytes and to help maintain an appropriate osmotic environment for the growth of microorganisms. The concentration of NaCl in a medium can affect the growth of different types of microorganisms. Some microorganisms require higher concentrations of NaCl for growth, while others may be inhibited by high NaCl concentrations. In some cases, the omission of NaCl in a medium may not significantly affect its specificity or sensitivity. However, in other cases, the omission of NaCl could lead to changes in the growth characteristics of certain microorganisms, leading to altered specificity or sensitivity of the medium.

learn more about NaCl here:

https://brainly.com/question/1550455

#SPJ4

Answer:

Explanation:

1) Vanadium (IV) → V⁺⁴

Carbonate → CO₃⁻²

So , Vanadium (IV) Carbonate = V₂(CO₃)₄  or V(CO₃)₂

2) Tin (II) = Sn⁺²

Nitrite = NO₂⁻

So, Tin (II) Nitrate = Sn(NO₂)₂

3) Cobalt (III) = Co⁺³

Oxide = O⁻²

So , Cobalt (III) Oxide = Co₂O₃

4) Titanium (II) = Tn⁺²

Acetate = CH₃COO⁻

So , Titanium (II) Acetate = Tn(CH₃COO)₂ or Tn(C₂H₃O₂)₂

5) Vanadium (V) = V⁺⁵

Sulfide = S⁻²

So , Vanadium (V) Sulfide = V₂S₅

6) Chromium (III) = Cr⁺³

Hydroxide = OH⁻

So , Chromium (III) Hydroxide = Cr(OH)₃

7) Lithium = Li⁺

Iodide = I⁻

So , Lithium Iodide = LiI

8) Lead (II) = Pb⁺²

Nitride = N⁻³

So , Lead (II) Nitride = Pb₃N₂

9) Silver = Ag⁺

Bromide = Br⁻

So , Silver Bromide = AgBr

I think it's c I'm not sure

The freezing point of the solution is -11.8 °C.

The boiling point of the solution is 103.31 °C.

To determine the freezing point of the solution, we can use the equation:

ΔTf = Kf * m

where:

ΔTf is the freezing point depression,

Kf is the cryoscopic constant (for water, Kf = 1.86 °C/m),

m is the molality of the solution (moles of solute per kilogram of solvent).

First, let's calculate the molality (m) of the solution:

Molar mass of ethylene glycol (C2H6O2):

C = 12.01 g/mol

H = 1.01 g/mol (x 6) = 6.06 g/mol

O = 16.00 g/mol (x 2) = 32.00 g/mol

Total molar mass = 12.01 g/mol + 6.06 g/mol + 32.00 g/mol = 50.07 g/mol

Number of moles of ethylene glycol (C2H6O2) = mass / molar mass

Number of moles = 30.8 g / 50.07 g/mol = 0.615 mol

Mass of water = volume x density = 96.6 mL x 1.00 g/mL = 96.6 g

Now, let's calculate the molality:

Molality (m) = moles of solute / mass of solvent (in kg)

Molality = 0.615 mol / 0.0966 kg = 6.36 mol/kg

Now we can calculate the freezing point depression (ΔTf):

ΔTf = Kf * m

ΔTf = 1.86 °C/m * 6.36 mol/kg = 11.8 °C

To find the freezing point of the solution, subtract the freezing point depression from the freezing point of pure water (0 °C):

Freezing point = 0 °C - 11.8 °C = -11.8 °C

To determine the boiling point of the solution, we can use the equation:

ΔTb = Kb * m

where:

ΔTb is the boiling point elevation,

Kb is the ebullioscopic constant (for water, Kb = 0.52 °C/m),

m is the molality of the solution (same value as calculated before: 6.36 mol/kg).

ΔTb = 0.52 °C/m * 6.36 mol/kg = 3.31 °C

To find the boiling point of the solution, add the boiling point elevation to the boiling point of pure water (100 °C):

Boiling point = 100 °C + 3.31 °C = 103.31 °C

To know more about ethylene glycol

https://brainly.com/question/32452413

#SPJ11

The mass of H₂O in the oceans is much larger than the mass of H₂O originally contained in the mantle by a factor of approximately 3860

The mass of H2O in the oceans can be calculated using the following formula:mass of H2O in the oceans = volume of seawater × density of seawater × percentage of H2O in seawater where the volume of seawater is the total volume of the oceans on Earth, which is approximately 1.332 billion km³.

The density of seawater is 1.025 gm/cm³, and seawater is 96.5 percent H₂O. Therefore, the mass of H2O in the oceans is:m = 1.332 × 10⁹ km³ × (1.025 gm/cm³) × (0.965)= 1.307 × 10²¹ gmTo compare the mass of H₂O in the oceans to the mass of H₂O originally contained in the mantle, we need to first find the mass of H₂O originally contained in the mantle. The total mass of the mantle is approximately 4.5 × 10²⁴ gm, and it is estimated that the mantle contains between 50 and 100 ppm of H₂O.

Taking an average value of 75 ppm and using the mass of the mantle, we can calculate the mass of H₂O originally contained in the mantle as follows: mass of H₂O in mantle = (75 ppm) × (4.5 × 10²⁴ gm)= 3.38 × 10¹⁹ gm Therefore, the mass of H₂O in the oceans is much larger than the mass of H₂O originally contained in the mantle by a factor of approximately 3860. It is unlikely that the H₂O of the oceans came from the outgassing of the mantle alone, as the amount of H₂O in the oceans is much greater than the amount of H₂O originally contained in the mantle. Other sources of water, such as comets and asteroids, are thought to have contributed to the water content of the oceans.

To learn more about mantle visit;

https://brainly.com/question/31542515

#SPJ11

tin(II) chloride contamination levels in the initial groundwater sample

\($2.4 \times 10^{\wedge}\{-4\}$ \\\)\(M Fe(II) or $1.3 \times 10^{\wedge}\{-2\} \mathrm{mg} \mathrm{Fe}(\mathrm{II}) / \mathrm{mL}$\)

Titrating a sample of  solution is one method the U.S. Environmental Protection Agency (EPA) uses to test for chloride pollutants in water. Silver cations and any chloride anions in solution combine to form a dazzling white precipitate of silver chloride.

If an EPA chemist analyzes a 200 mL sample of groundwater that is known to contain tin(II) chloride, the result would be as follows: Sn (NO) + 2 AgNO, (aq) + 2 AgCl (aq) As soon as silver chloride starts to form, the chemist stops adding 37.0 mm of silver ritrate solution to the sample. After that, she weights the precipitate after washing and drying it. In all, she possesses 7.1 milligrams of silver chloride.

According with the stoichiometry of the reaction:

\($6.9 \mathrm{mgAgCl}\left(\frac{1 \mathrm{mmol} \mathrm{AgCl}}{143.32 \mathrm{mgAgCl}}\right)\left(\frac{1 \mathrm{mmolFeCl}}{1 \mathrm{mmol} \mathrm{AgCl}}\right)\left(\frac{1 \mathrm{mmolFe}}{1 \mathrm{mmolFeCl}}\right)=0.048144 \mathrm{mmolFe}(\mathrm{II})$\)

Now, we divide by the volume of the aliquo

\($\frac{0.048144 \mathrm{mmolFe}(I I)}{200 \mathrm{mLsample}}=2.4 x 10^{-4} \mathrm{MFe}(I I)$\)

To learn more about ground water refer to :

https://brainly.com/question/13051211

#SPJ4

Answer:

c. main energy level of an electron

Explanation:

An atom can be defined as the smallest unit comprising of matter that forms all chemical elements. Thus, atoms are considered to be the building blocks of matter and as such defines or determines the structure of a chemical element.

Generally, atoms are typically made up of three distinct particles and these includes; protons, neutrons and electrons.

In Chemistry, electrons can be defined as subatomic particles that are negatively charged and as such has a magnitude of -1.

The principal quantum number, denoted by n, represents the main or overall energy level of an electron.

Basically, this property of an electron determines its energy level, as well as its distance from the nucleus of an atom of any chemical element. Also, as the distance of each orbital from the nucleus increases, the energy level increases respectively. Thus, sets of orbitals having the same principal quantum number (n) are generally referred to as an electron shell.

why yes

Waves are created by energy passing through water, causing it to move in a circular motion

Answer is 38/3 or 12.67

3x=38

x=38/3

therefore answer is the one mentioned above

A triple bond may consist of one sigma bond and two pi bonds.

Sigma bonds are the most powerful kind of covalent chemical bond. they're fashioned by way of head-on overlapping among atomic orbitals. Sigma bonding is most surely described for diatomic molecules the usage of the language and equipment of symmetry businesses

Sigma bond is a covalent bond formed by overlap of atomic orbitals and hybrid orbitals along the bond axis. The sigma bond in the a hydrogen molecule is formed by overlap of a pair of 1s orbitals, one from each hydrogen atom.

The pi bond is the same as that of the p orbital when seen down the bond axis.

A pi bond is a weaker chemical covalent bond than a sigma bond.

Learn more about sigma bond here:- https://brainly.com/question/26033706

#SPJ4

did anyone able to look up this question

the ratio for the H is 3.9901

The separation compound using diffrence in boiling point melting point like physical properties.

What is physical properties?

A physical property is the any  measurable property that  whose value describes the state of a physical in  system. Changes in the  system's physical property of  can be used to describe its transitions between the  momentary of state.

A physical property is a characteristic of the  matter that is not associated with in a  change in its chemicals composition. Familiar to the  examples of physical property that is include density, color, hardness, melting and boiling points, and the  electrical conductivity.

There are mainly two types of physical properties extensive and intensive.

Sol-The separation scheme to  used to separate the mixture of   based on differences in this  physical properties- such as boiling point, melting point, solubility in a given solvent these are the three components.

To know more about physical properties click-

https://brainly.com/question/26549181

#SPJ4

Answer:

diffusion

Explanation:

Diffusion can be defined as the net movement of particles from a high concentration to a low concentration. This sounds like the most plausible word in this case.

The energy required to change 2.6 g of liquid water to steam if the water is already at 100°C is 5.85 kJ

First, we need to convert the given mass of water from grams to moles by dividing it by the molar mass of water.

The molar mass of water is approximately 18.02 g/mol, so:

number of moles of water = 2.6 g ÷ 18.02 g/mol ≈ 0.144 moles

We can use the formula:

ΔHvap = n * Hvap

where ΔHvap is the heat of vaporization, n is the number of moles of water, and Hvap is the molar heat of vaporization for water.

Plugging in the values we have:

ΔHvap = 0.144 mol * 40.6 kJ/mol

ΔHvap = 5.85 kJ

So, it requires 5.85 kJ of energy to change 2.6 g of liquid water to steam at 100°C.

For more such questions on energy, click on:

https://brainly.com/question/30083274

#SPJ11

The right response is D. the length of one compression and rarefaction.

A wave's wavelength is the separation between two adjacent locations that are in phase with one another. It is the actual distance covered by a single wave cycle.

Hence, one compression and one rarefaction are identical in length to one wavelength.

In a longitudinal wave, the medium's particles vibrate perpendicular to the wave's direction of propagation. In the medium, this causes areas of compression and rarefaction. One wavelength is equal to the space between any two compressions or rarefactions that follow one another.

You can mark a spot on a medium and measure the distance between it and the following point that reaches the same phase of a longitudinal wave to determine its wavelength (either a compression or a rarefaction). To get a more precise measurement, you can then repeat this process numerous times and take an average.

To know more about wavelength, visit:

https://brainly.com/question/12924624

#SPJ1

The number 0.005802 expressed in proper scientific notation is 5.802 x 10^-3

The molar mass of dinitrogen triphosphide is  121 grams per mole.

The molar mass of dinitrogen triphosphide (N₂P₃) can be calculated by adding up the atomic masses of its constituent elements:

2 x atomic mass of nitrogen (N) + 3 x atomic mass of phosphorus (P)

The atomic mass of nitrogen is 14 g/mol and the atomic mass of phosphorus is 31 g/mol.

The molar mass of dinitrogen triphosphide is calculated as;

2(14 g/mol) + 3(31 g/mol)

= 121 g/mol

Learn more about molar mass here: https://brainly.com/question/21334167

#SPJ1

Answer:

Big bang theory

Explanation:

Our universe began with an explosion of space itself - the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies.

Answer:

The Big Bang

Explanation:

The Big Bang was the moment 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded. Most astronomers use the Big Bang theory to explain how the universe began.

Answer:

I dont understand what is the question you need help on-

Explanation:

Answer:

a process which occurs when there is a difference in solute concentration between two solutions separated by a semipermeable membrane.

hope this helps

143 grams of C4H8O is equivalent to approximately 1.98 moles.

What is Moles?

The number of particles in one mole of a substance is known as Avogadro's number and is approximately equal to 6.02 x 10^23. This means that one mole of any substance contains 6.02 x 10^23 particles of that substance.

The use of moles as a unit of measurement is important in chemistry because it allows scientists to easily convert between the mass of a substance and the number of particles it contains. For example, if the mass of a sample of a substance is known, its number of moles can be calculated using the substance's molar mass, which is the mass of one mole of the substance. Similarly, if the number of moles of a substance is known, its mass can be calculated using its molar mass.

To calculate the number of moles of a substance, you need to divide the given mass of the substance by its molar mass.

The molar mass of C4H8O can be calculated by adding the atomic masses of its constituent atoms:

4 x (12.01 g/mol) + 8 x (1.01 g/mol) + 1 x (16.00 g/mol) = 72.11 g/mol

Now, we can use the given mass of C4H8O and its molar mass to calculate the number of moles:

Number of moles = Mass / Molar mass

Number of moles = 143 g / 72.11 g/mol

Number of moles ≈ 1.98 mol

Therefore, 143 grams of C4H8O is equivalent to approximately 1.98 moles.

Learn more about  Moles of Light from given link

https://brainly.com/question/15356425

#SPJ1

The ratio is approximately 2, the molecular formula of the compound is approximately 2 times the empirical formula:\(C4H12As\).

To determine the molecular formula of the compound, we need to find the empirical formula first. The empirical formula represents the simplest, most reduced ratio of atoms in the compound.

We are given the percentages of carbon (C), hydrogen (H), and arsenic (As) in the compound:

C: 22.88%

H: 5.76%

As: 71.36%

To find the empirical formula, we can assume we have 100g of the compound, which allows us to convert the percentages into grams. Then, we can calculate the moles of each element using their molar masses.

C: (22.88 g / 12.01 g/mol) = 1.906 mol

H: (5.76 g / 1.008 g/mol) = 5.714 mol

As: (71.36 g / 74.92 g/mol) = 0.953 mol

Next, we need to find the smallest whole-number ratio of moles. In this case, the smallest ratio is approximately 2:6:1. So, the empirical formula of the compound is \(C2H6As\).

To determine the molecular formula, we need to find the ratio between the molar mass of the empirical formula and the given molar mass of 210 g/mol.

Empirical formula molar mass = (2 * 12.01 g/mol) + (6 * 1.008 g/mol) + (1 * 74.92 g/mol) = 104.16 g/mol

Molecular formula ratio = 210 g/mol / 104.16 g/mol ≈ 2

To know more about empirical formula refer to-

https://brainly.com/question/32125056

#SPJ11

For the reactions shown;
a) MgCl2 + H2SO4 → MgSO4 + 2 HCl

c) 6K + Al2O3 → 3K2O + 2Al

d) 2H2O ----> 2H2 + O2

e) 2C4H10 + 13O2 → 8CO2 + 10H2O

f) will not proceed

g) Will proceed

h) Will proceed

i) Will not proceed

j) Will not proceed

A balanced chemical reaction is a chemical equation that represents equal numbers of atoms of each element involved in the reaction, ensuring that the same amount of matter is present before and after the reaction takes place. The coefficients in the equation indicate the relative proportions of reactants and products.

In the case of the replacement reactions, we know that the substance that is higher in the electrochemical series will replace the substance that is lower in the series as shown.

Learn more about reaction:https://brainly.com/question/28984750

#SPJ1