What is the mass in g of 5.20 moles of silver?

The pressure exerted by the water vapor molecules in the air is called the vapor pressure.

The Vapor pressure is the measure of the tendency of the material to change in to the gaseous state or the vapor state, and it will increases with the temperature. The temperature at which the vapor pressure of the surface of the liquid will becomes equal to the pressure that is exerted by the surroundings is called as the boiling point of the liquid.

The pressure exerted by the vapor in the thermodynamic equilibrium with the its condensed phases at the given temperature in the  closed system is termed as the vapor pressure.

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The isotopes average atomic mass for the element of iron is  55.845 u

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Answer:

0.48 mols

Explanation:

to convert moles to mass u need to divide mass by the molar mass of NaCl which is 58.44g/mols.

28g ÷ 58.44g/mol = 0.48 mols

Answer:

But there is nothing above

The arrangement of the bonds in order of increasing bond length is; C-Cl < C-Br < C-I < C-O.

The bond length generally increases as we move down the periodic table within a group of elements. Based on this trend, we can arrange the given bonds in order of increasing bond length;

C-Cl < C-Br < C-I < C-O

The bond length of C-Cl is shorter than C-Br, which is shorter than C-I, and C-O has the longest bond length among the given options.

This trend can be explained by the increasing atomic size or atomic radius of the halogens (Cl, Br, I) and oxygen (O) as we move down the periodic table. As the atomic size increases, the bond length tends to increase because the atomic nuclei and bonding electrons are farther apart, resulting in a weaker bond.

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The bonds arranged in order of increasing bond length are: C-Cl, C-Br, C-I, C-O.

To arrange the given bonds in order of increasing bond length, we need to consider the size of the atoms involved. In general, as we move down a group in the periodic table, the atomic size increases. This means that the bond length between carbon and iodine (C-I) will be longer than the bond length between carbon and bromine (C-Br), which will be longer than the bond length between carbon and chlorine (C-Cl). The bond length between carbon and oxygen (C-O) will be the shortest among the given bonds.

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Answer:

H202(aq)+2Fe2+(aq)+2H+=>2fe3+(aq)+2H20(l)

Explanation:

H202(aq)+2Fe2+(aq)+2H+=>2fe3+(aq)+2H20(l)

Answer:

⇒ n = 2.4088 × 10²⁴

- So, the no of atoms in 4 moles of helium is 2.4088 × 10²⁴.

Explanation:

Both the reactants' and the products' concentrations must be constant.

Chemical equilibrium is the condition in which both reactants and products are present in concentrations that have no further tendency to change with time, resulting in no apparent change in the system's properties.

A reversible chemical reaction is one in which the products react to generate the original reactants as soon as they are formed.

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Answer:

They must be detailed enough that another scientist can repeat exactly what you did and know if they are getting the same data. ... To make sure that data can be reproduced by other people and other laboratories. Also so that you know exactly what is there and to know you arn't missing anything. ~ Hope this helps :>

Explanation:

Therefore, the cell potential for the given reaction is +2.71 V.

The overall reaction for the given electrochemical cell is:

Mg(s) + Cu2+(aq) → Mg2+(aq) + Cu(s)

The half-reactions involved are:

Mg2+(aq) + 2e- → Mg(s) (reduction)

Cu2+(aq) + 2e- → Cu(s) (oxidation)

The standard reduction potentials for these half-reactions are given in the table:

Mg2+(aq) + 2e- → Mg(s) E° = -2.37 V

Cu2+(aq) + 2e- → Cu(s) E° = +0.34 V

To calculate the cell potential (Ecell), we use the formula:

Ecell = Ecathode - Eanode

where Ecathode is the standard reduction potential of the cathode (the reduction half-reaction) and Eanode is the standard reduction potential of the anode (the oxidation half-reaction).

Since the reduction potential for Cu2+(aq) + 2e- → Cu(s) is greater than the reduction potential for Mg2+(aq) + 2e- → Mg(s), the Cu2+(aq)/Cu(s) half-cell is the cathode, and the Mg(s)/Mg2+(aq) half-cell is the anode.

Thus, we have:

Ecathode = +0.34 V

Eanode = -2.37 V

Substituting these values into the formula for Ecell, we get:

Ecell = Ecathode - Eanode

= +0.34 V - (-2.37 V)

= +2.71 V

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Answer:

i really don't know

Explanation:

but if you got an answer please let me know ty:)

Answer:

chemical bonding

Explanation:

i hope this helped :)

The molar mass of CCl₄ is 154 g/mol

Molar mass is the mass in grams of one mole of a substance and is given by the unit g/mol.

It is calculated by taking the sum of atomic masses of all the elements present in the given formula.

A mole is defined as the amount of substance containing the same number of atoms, molecules, ions, etc. as the number of atoms in a sample of pure 12C weighing exactly 12 g.

Atomic mass of C = 12

Atomic mass of Cl = 35.5

Molar mass = 12 + (35.5 × 4)

= 154 g/mol

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Since we are starting from the number of atoms of Sulfur, we need to know two sets of formulas:

        ⇒ mass = (atoms ÷ Avogadro's Number) ×  molar mass

  mass = [(2.01 × 10²⁴ atoms) ÷ (6.022 × 10²³ atoms/mole)] × (32.06 g/mol)  

            = 107.01 g

The molar mass of sulfur S is 32.06 g/mol, then the mass in grams of a sample of S containing 2.01x10^24 atoms  is 107.01 g

The molar mass can be defined as the weight of one sample mole, by Multiplying  the subscript means  the number of atoms times that element’s atomic mass and add the masses of all the elements in the molecule to obtain the molecular mass.

Molar mass is  expressed in either gram ( g) or kilograms (kg).

Mass  = moles × molar mass

moles = atoms ÷ Avogadro's Number

       ⇒ mass = (atoms ÷ Avogadro's Number) ×  molar mass

 mass = [(2.01 × 10²⁴ atoms) ÷ (6.022 × 10²³ atoms/mole)] × (32.06 g/mol)  

          = 107.01 g

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0.5374 moles of chromium are needed to react with 12.89 grams of oxygen.

The balanced chemical equation for the reaction is:

\(4 Cr + 3 O_2 - > 2 Cr_2O_3\)

From the equation, we see that 3 moles of O2 react with 4 moles of Cr to produce 2 moles of Cr2O3.

First, we need to convert the given mass of oxygen to moles using the molar mass of O2.

Molar mass of O2 = 2(16.00 g/mol) = 32.00 g/mol

moles of O2 = mass / molar mass = 12.89 g / 32.00 g/mol = 0.4031 mol

Now, we can use the mole ratio between O2 and Cr to find the moles of Cr needed.

moles of Cr = moles of O2 x (4/3) = 0.4031 mol x (4/3) = 0.5374 mol

Therefore, 0.5374 moles of chromium are needed to react with 12.89 grams of oxygen.

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Answer:Attemted Failed

Maybe try to search

In a different way like:

what is the ingredient of cake

Instead of

how to make Cake

Now

Ideal gas equation

\(\\ \rm\Rrightarrow PV=nRT\)

\(\\ \rm\Rrightarrow 112=n(8.314)(398)\)

\(\\ \rm\Rrightarrow n=0.033mol\)

Answer:

\(0.03384\ mol\)

Explanation:

Step 1:  Determine important information

Ideal gas law → \(PV=nRT\)

At the end of the problem statement we can see that the pressure is \(1.0\ atm\).  V is the volume which is given as \(112\ L\).  n is the amount of substance which is what we are trying to find.  R is the ideal gas constant is the same for every problem which is \(8.3145\ J * mol^{-1}*K^{-1}\).  Finally, T is the temperature which is given as \(125\ C\) but we have to convert to kelvins which we get \(398\ K\).

Step 2:  Plug in the information and solve

\(PV=nRT\)

\((1.0\ atm)*(112\ L) = n*(8.3145\ J * mol^{-1}*K^{-1})*(398\ K)\)

\(112=n*(3,309.171)\)

\(\frac{112}{(3,309.171)}=\frac{n*(3,309.171)}{(3,309.171)}\)

\(0.03385\ mol = n\)

Answer: \(0.03384\ mol\)

Answer:

Because it's a system in the solar areas.

Explanation:

Im just tryna sound smart, I actually have no clue

Answer:

The Latin word for the Sun is Sol, so we call this system the Solar System. He showed that it was very likely that all the planets moved around the Sun. This time even more people thought Galileo may be right and that the Earth really did move around the Sun.

Explanation:

There are many planetary systems like ours in the universe, with planets orbiting a host star. Our planetary system is named the "solar" system because our Sun is named Sol, after the Latin word for Sun, "solis," and anything related to the Sun we call solar.

Hope That Helps :0

The options 'a' and 'b' match the correct acid and base, and the option 'c' matches the products formed. Options 'd' and 'e' do not match acid, base or the products formed.

An acid-base reaction occurs when Ba(OH)2(aq) and HBr(aq) are mixed together. The acid, base and two products that are formed in this reaction are as follows:

Acid: Hydrogen Bromide (HBr)

Base: Barium Hydroxide (Ba(OH)2)

Products formed: Barium Bromide (BaBr2) and Water (H2O)

Thus, the correct options are:

a. HBr(aq)b. Ba(OH)2(aq)

c. BaBr2(aq) + H2O(l)

d. not an acid, or a base or the products formed e. not an acid, or a base or the products formed. The options 'a' and 'b' match the correct acid and base, and the option 'c' matches the products formed. Options 'd' and 'e' do not match acid, base or the products formed.

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Answer:

A chlorine gas is formed from a mixture of both, which is a dangerous mixture that can cause bad health problems.

Explanation:

To record the temperature of the saturated borax solution, you will need to use a thermometer to measure the temperature of the solution. Simply dip the thermometer into the solution and read the temperature. It is important to note that the temperature can affect the solubility of borax, so it is important to maintain a consistent temperature when working with this solution.

To record the temperature of the saturated borax solution, please follow these steps:

1. Prepare a saturated borax solution by dissolving borax in water until no more borax can dissolve, and the solution reaches a state of saturation.
2. Allow the solution to sit undisturbed for a few minutes to ensure even temperature distribution.
3. Using a clean and calibrated thermometer, insert the thermometer into the saturated borax solution, making sure it is fully submerged but not touching the bottom or sides of the container.
4. Wait for the temperature reading on the thermometer to stabilize, which typically takes about 30 seconds to 1 minute.
5. Once the temperature reading is stable, record the temperature of the saturated borax solution as indicated on the thermometer. Make sure to note the unit of measurement (e.g., Celsius or Fahrenheit).

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Answer:

12.8 mL

Explanation:

the bolded bar indicates a count of 5. counting from there would add up to 8/10ths of a mL.

A. The electronic configuration for the isotope we want is as follows:

\(1s^2 2s^2 2p^6 3s^2 3p^6\).

B. The element belongs to period 3 and group 18.

C.The last electron's four quantum numbers are:

m_s = +1/2 or -1/2 (since the electron can spin up or spin down)

D. With fluorine, the element will develop an ionic connection.

The positioning of electrons within an atom, molecule, or other physical structure, such as a crystal, is referred to as electronic configuration. It is typically represented by an array of numbers, letters, or superscripts that denote the number of electrons in each atom or molecule's shell or subshell.

Let the first isotope's mass number be x, the second isotope's mass number be y, and the third isotope's mass number be z. Also, let the first isotope's neutron number be a, the second isotope's neutron number be b, and the third isotope's neutron number be c. Using the information provided, we can construct two equations:

126 = x + y + z (equation 1)

a+b+c=60 (equation 2)

Because all three isotopes contain the same amount of protons, we can infer that their electrical configurations are the same. As a result, all that remains is to determine the electrical structure of one of the isotopes.

We can use the fact that the total of the mass numbers is equal to the amount of protons plus the number of neutrons. Let m be the isotope's mass number and z be the number of protons (the atomic number). Then:

m = z + n, where n is the number of neutrons.

The electrical arrangement of an element can also be used to calculate the atomic number. Assume if the isotope we're seeking for is a periodic table element. The element's electrical configuration can be written as:

\(1s^2 2s^2 2p^6 3s^2 3p^6\)

The configuration's last electron is in the (n+1)s or (n+1)p orbital. As a result, we may calculate the atomic number by counting the number of electrons in the arrangement. For example, the atomic number for the aforementioned electrical configuration is 18 (2 + 8 + 8).

Let's look for the electrical configuration of the isotope we're after. Because the element's electrical configuration is not specified, we can presume it is a noble gas. As an example, consider argon (Ar), which has the electrical configuration:

\(1s^2 2s^2 2p^6 3s^2 3p^6\)

Because argon belongs to period 3 and group 18 (also known as group 8A), the isotope we seek belongs to period 3 and group 18. This is due to the fact that atoms in the same class have the same amount of valence electrons and chemical characteristics.

As a result, the electrical configuration of the isotope we seek is:

\(1s^2 2s^2 2p^6 3s^2 3p^6\)

b) The element belongs to period 3 and group 18.

c) The last electron's four quantum numbers are:

Because the electron is in the 3p orbital, n = 3 l = 1.

Because there are three 3p orbitals, m_l = -1, 0, or 1.

m_s = +1/2 or -1/2 (since the electron can spin up or spin down)

d) With fluorine, the element will develop an ionic connection. Because the element belongs to group 18, it has 8 valence electrons, making it a stable noble gas configuration. It may gain one electron to make a 1- ion or lose eight electrons to form an 8+ ion to obtain this state. Fluorine has seven valence electrons and can gain one electron to produce.

Therefore, the electronic configuration for the isotope we want is as follows:

\(1s^2 2s^2 2p^6 3s^2 3p^6\)

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Your question is in Spanish, but the English translation of the question is:

The sum of the mass numbers of three isotopes is 126 and the sum of the neutron numbers is 60. Find the electronic configuration of one of the isotopes if its electric charge is

1- b) Determine group and period for said element.

c) Determine the four quantum numbers for the last electron.

d) If the element they found joins with the fluorine element, what type of bond will it form?

Answer:

The sun uses nuclear fusion reactions to generate heat.

Explanation:

It is true from the given choices that the sun uses nuclear fusion reactions to generate heat.

The heat that accompanies nuclear fusion reactions is very huge. In fact this is the source of energy for the whole solar system.

During a nuclear fusion reaction, small atomic nuclei combines to form larger ones.

This combination results in a series of chain reactions that releases energy.