yclopropyl chloride has been prepared by the free-radical chlorination of cyclopropane. draw the products for each equation of the stepwise mechanism for this reaction. be sure to include lone pair(s) of electrons where necessary.

Answer:

243L of SO2

Explanation:

You'll want to use the Ideal Gas Law for this problem.

First, determine your formula. V=nRT/P

Next, determine your factors.

V = ?

n = 847g

R = 0.0821L.atm/mol.k

T = 313k (40+273)

P = 89.4kPa

Now just plug it in!

847g x 313k / 89.4kPa  x  0.0821L.atm / mol. K

243L of SO2. Hope this helps!

Approximately 3.04 grams of magnesium would be required to react with 0.25 moles of hydrochloric acid.

To determine the mass of Mg required, we need to use the balanced chemical equation for the reaction between hydrochloric acid (HCl) and magnesium (Mg):

2HCl + Mg → MgCl2 + H2

From the balanced equation, we can see that 2 moles of HCl react with 1 mole of Mg. Therefore, if 0.25 mol of HCl reacts, we would need half of that amount, which is 0.125 mol of Mg.

To calculate the mass of Mg required, we need to multiply the number of moles of Mg by its molar mass. The molar mass of Mg is given as 24.31 g/mol. Therefore, the mass of Mg required can be calculated as follows:

Mass of Mg = Number of moles of Mg × Molar mass of Mg

Mass of Mg = 0.125 mol × 24.31 g/mol

Mass of Mg = 3.04 g

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An atom of aluminum has three valence electrons.

The valence electrons are the electrons in the outermost energy level of an atom, also known as the valence shell.

Aluminum is located in Group 13 of the periodic table, which means it has three valence electrons. The atomic number of aluminum is 13, indicating that it has 13 electrons in total.

The electronic configuration of aluminum is 1s² 2s² 2p⁶ 3s² 3p¹. In this configuration, the outermost energy level is the third energy level (n=3), and the s and p sublevels are involved in valence electron formation. There is one electron in the 3p orbital, making aluminum have three valence electrons.

These valence electrons are involved in chemical bonding and determine the reactivity and chemical behavior of aluminum.

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Answer:

Mass of water = 0.33 Kg

Explanation:

Given data:

Mass of water = ?

Mass of glucose = 14.5 g

molality of solution = 0.24 m

Solution:

Number of moles of glucose:

Number of moles = mass/molar mass

Number of moles = 14.5 g/ 180.156 g/mol

Number of moles = 0.08 mol

Mass of water:

Molality = number of moles of solute / Kg of solvent

0.24 m = 0.08 mol / Kg of solvent

Kg of solvent =  0.08 mol / 0.24 m

Kg of solvent = 0.33 Kg

Answer:

magnesium. stronsium. barium. they are have similar group in IIA

Answer:

single covalent bond

Explanation:

The bond formed between two atoms each sharing one electron is called single covalent bond

The figure 1 is the structure of diamond. The type of bond in diamond is covalent sp³ bond. DIamond exists in hexagonal arrangement of carbon atoms.

Allotropes are substances formed from a single elements with different number in various size and shape. Carbon exhibit catenation property which means it can forms chains with other carbon in any large number.

The allotropes of carbon are diamond, graphene and fullerene. Diamond is hexagonal arrangement of carbons atom bonded covalently in sp³ hybridisation.

In graphene as shown in the second figure, bonded carbons atoms are arranged as layers where carbon is in sp²hybridisation. In the case of fullerenes, there are both hexagonal and pentagonal rings adjacent to each and are formed by 60-70 carbons.

In all these allotropes, the bond type between two carbons atoms is covalent. Covalent bond is formed by sharing of electrons between the two atoms.

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Answer:

94.1 %

Explanation:

We firstly determine the equation:

2H₂O + O₂ →  2H₂O₂

2 moles of water react to 1 mol of oxygen in order to produce 2 moles of oxygen peroxide.

We convert the mass of oxygen to moles:50 g . 1mol /32g = 1.56 mol

Certainly oxygen is the limiting reactant.

2 moles of water react to 1 mol of oxygen.

13 moles of water may react to 13/2 = 6.5 moles. (And we only have 1.56)

As we determine the limiting reactant we continue to the products:

1 mol of O₂ can produce 2 moles of H₂O₂

Then 1.56 moles of O₂ will produce (1.56 . 2) = 3.125 moles

We convert the moles to mass: 3.125 mol . 34 g/mol= 106.25 g

That's the 100% yield or it can be called theoretical yield.

Percent yield = (Yield produced / Theoretical yield) . 100

(100g / 106.25 g) . 100 = 94.1 %

φ(g1 * g2) = eH = φ(g1) * φ(g2).

This completes the proof that φ: G → H is a group homomorphism.

By showing that the map φ preserves the group operation, we have demonstrated that it is a group homomorphism.

To prove that φ: G → H is a group homomorphism, we need to show that it preserves the group operation. In other words, for any two elements g1 and g2 in G, φ(g1 * g2) = φ(g1) * φ(g2), where * denotes the group operation in G, and * denotes the group operation in H.

Given that φ(g) = eH for all g ∈ G, where eH is the identity element in H, we can start the proof as follows:

Let g1, g2 ∈ G. We want to show that φ(g1 * g2) = φ(g1) * φ(g2).

Since φ(g) = eH for all g ∈ G, we have φ(g1) = eH and φ(g2) = eH.

Now, consider the product g1 * g2 in G. Applying φ to both sides, we have:

φ(g1 * g2) = φ(g1) * φ(g2).

Substituting the values of φ(g1) and φ(g2), we get:

φ(g1 * g2) = eH * eH.

Since eH is the identity element in H, the product eH * eH is simply eH.

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The correct equation representing the radioactive decay of 226Ra is (2)   226Ra → 222Rn + 4He.

This equation correctly represents the radioactive decay process of 226Ra (Radium-226) into 222Rn (Radon-222) and 4He (Helium-4).

In radioactive decay, unstable isotopes undergo a spontaneous process to transform into more stable forms by emitting particles or radiation. In the case of 226Ra, it decays by a process called alpha decay. Alpha decay involves the emission of an alpha particle, which consists of two protons and two neutrons (equivalent to a helium nucleus).

The equation (2) shows that 226Ra undergoes alpha decay, resulting in the formation of 222Rn and the release of an alpha particle (4He). The atomic number and mass number must be conserved in the decay process. Therefore, 226 (atomic number 88) on the left side of the equation decays to 222 (atomic number 86) on the right side, while the mass number also decreases by 4 units.

It's important to note that equation (1) represents an incorrect notation, as it suggests that 226Ra undergoes a transformation to 226Ra89, which is not possible as it implies an increase in atomic number. Equation (3) does not accurately represent the decay of 226Ra. Equation (4) is incorrect as it represents the formation of an isotope that doesn't exist.

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The +2.00 V is the standard cell potential for a galvanic cell that consists of al3 /al and cu2 /cu half-cells.

What is galvanic cell ?

A galvanic cell or voltaic cell is an electrochemical device that transforms chemical energy from spontaneous redox reactions into electrical energy. Galvanic cell A voltaic cell is an electrochemical device that uses chemical reactions to produce electricity.

What is standard cell ?

A standard cell is a collection of transistor and connection structures that performs boolean logic operations (such as AND, OR, XOR, XNOR, inverters) or storage operations (flipflop or latch).

The standard half reactions are

Al3+ (aq) + 3 e- -------> Al (s); E0 (Al3+/Al) = -1.66 V

Cu2+ (aq) + 2 e- ------> Cu (s); E0 (Cu2+/Cu) = +0.34 V

Since Cu2+/Cu has a more positive standard reduction potential as compared to Al3+/Al, hence, Cu2+ will be reduced while Al will be oxidized. The half reactions comprising the redox reaction are then

Reduction: Cu2+ (aq) + 2 e- --------> Cu (s)           E0red = +0.34 V

Oxidation: Al (s) -------> Al3+ (aq) + 3 e-              E0ox = -E0(Al3+/Al) = -(-1.66 V) = +1.66 V

The redox reaction is given as

3 Cu2+ (aq) + 2 Al (s) -------> 3 Cu (s) + 2 Al3+ (aq)

E0cell = E0red + E0ox

= (+0.34 V) + (+1.66 V)

= +2.00 V

Therefore, +2.00 V is the standard cell potential for a galvanic cell that consists of al3 /al and cu2 /cu half-cells.

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The two elements which will form positive ions with +2 charge are magnesium and beryllium.

Cations will be formed when atoms loses their electrons from the outermost shell to get stability, so that they will get positive charge on itself.

Hence magnesium and beryllium will show +2 charge.

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Answer: c

Explanation: effusion because there is a movement of a gas through a small opening into a larger volume

Answer:

The electron cloud is a small and compacted space around the nucleus.

Answer:

When the Earth rotates on its axis, it prevents air currents from going in a straight line to the north and the south from the equator. It results in one of the effects of rotation of the Earth: the Coriolis Effect.

The correct option is B. The feature that makes carbohydrates and fats power assets is each have lots of bonds with loosely held electrons.

A bond refers back to the pressure that holds two or greater atoms collectively to shape a molecule or compound. Bonds are fashioned when atoms proportion or alternate electrons to gain a greater solid configuration. The electricity of a bond relies upon at the electronegativity of the atoms concerned, their distance from each other, and the wide variety of electrons they proportion or trade.

The most commonplace sorts of bonds are covalent, ionic, and metallic. In covalent bonds, atoms share electrons to complete their outermost electron shells. Ionic bonds occur whilst one atom donates an electron to every other atom to form definitely and negatively charged ions, that are then interested in every different. metal bonds arise between atoms of metals, wherein the outermost electrons are unfastened to move for the duration of the steel lattice.

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Answer:

the weight

Explanation:

becouse the moon has less mass then earth the gravitational attraction on the Moon is much less than it is on Earth since the moon has less mass this means if you where to go to the moon your mass will stay the same but your weight will change

hope it helps

A chemical equation is a statement using chemical formulas that express both the identities and the relative quantity of the reactants and products involved in a chemical or physical change.

The chemical equation is said to be balanced if there are no inequalities.

The relative quantity is generally an absolute quantity divided by some other quantity. For example, in the previous excel file, one could calculate the percent of the adult population infected with HIV by dividing the number of adults with HIV by the total adult population of the country.

The main four types of reactions are direct combination, analysis reaction, single displacement, and double displacement.

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Answer:

B: +3

Explanation:

If Gallium loses 3 electrons, it will become an ion.

The ion will be positively charged because in this new ion, the number of electrons is lesser than the number of protons. The charge difference will impart a positive net charge on the ion.

If Gallium the loss of 3 electrons offsets the charge balance in the chemical specie. Thus, the ion will have a net +3 charge.

Following represents the number of Molecules of the type indicated is present as a reactant or product of the chemical reaction shown is the coefficient of the species

The number of atoms, molecules, or formula units of a reactant or product in a balanced chemical equation is the coefficient of that species then the mole ratio of two substances in a chemical reaction is the ratio of their coefficients in the balanced chemical equation and the this numbers are called as coefficient and they tell how many of each molecule are participate in the reaction

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Answer:

2 homogenous mixture

Explanation:

Answer:yes

Explanation:

cause yes

Answer:

4,768.57

Explanation:

If you are asking us to calculate, your answer is above. Easiest and fastest way is to plug it into the calc.

The correct expression for the equilibrium constant for the autoionization of water is Kw = [H+][OH-]..

The equilibrium constant for the autoionization of water is a measure of the extent to which molecules dissociate into hydrogen ions (H+)and hydroxide ions(OH-) in aqueous solution. the expression  Kw = [H+][OH-], where [H+] is the concentration of hydrogen ions and  [OH-] is the hydroxide ions, since the concentration of water remains constant, it is not included in the expression.

The value of Kw for water is very small around  1.0 x 10^-14 at 25°C. the concept of autoionization provides a basis for understanding the behavior of acids and bases in aqueous solution.

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