What chemical causes When onions are sliced?

Despite having polar bonds, the gas carbon dioxide is a nonpolar molecule. CO2 has a linear structure. Since each bond dipole has an equal magnitude and is pointing in the opposite direction, they cancel each other out.

Polar bonds are seen in carbon dioxide, a non-polar compound. By first looking at the makeup of carbon dioxide, it can be understood. In carbon dioxide, a carbon atom forms a double bond on one side with an oxygen atom, and a second double bond on the other side with another oxygen atom.

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Comparisons between ionic and covalent bonds are:

Ionic bonds and covalent bonds are important to chemistry, because they form the basis of most molecules and compounds. Ionic bonds are attracted electrostatically between two oppositely charged ions, while covalent bonds are formed when two atoms share electrons.

Both types of bonds are important in forming the strong, stable molecules that make up all matter on Earth. Without these types of bonds, many of the substances we rely on every day would not exist.

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Due to its symmetry and the fact that the pull of the two oxygen atoms on the electrons of carbon cancel each other out, carbon dioxide is a nonpolar molecule with polar bonds. Because the vector sum of the dipole moments of the two CO bonds is zero, the CO2 molecule is non-polar even if the CO bond in it is polar.

With carbon, each oxygen atom forms a double bond. Different electronegativities of carbon (C) and oxygen (O) result in unequal distribution of electrons between them. Due to the cancellation of the two bond dipole moments, there is no net molecule dipole moment. Carbon dioxide is a non-polar gas as a result.

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Since they don't also have a dipole moment, all diatomic molecules with the same atoms are inherently non-polar. Only when there is a charge gap or unevenly distributed charges across atoms does a molecule produce a dipole moment. Cl2 is hence nonpolar.

Chlorine (Cl2) Take the molecule of chlorine, Cl2, for instance. The two Cl atoms are connected by a solitary covalent bond. The positive Cl atom's nucleus and the covalent bond's negative electron pair are attracted to one another.

Two chlorine atoms that are not metals make up the compound Cl2. Cl2 won't display metallic boding as a result. Cl2 won't contain an ionic bond because ionic bonds only form when a metal and a non-metal interact, so it must be covalent.

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Phosphorus and chlorine form bond is covalent bond.

A covalent bond is likely to form if the difference in electronegativity between the elements is less than 1.7.

For instance, the electronegativity of phosphorus (P) is 2.1 and that of chlorine (Cl) is 3.0.

These two numbers are differentiated by 0.9. Since 0.9 is lesser than 1.7, phosphorus and chlorine form a covalent bond.

Chlorine and phosphorus are both found on the right side of the periodic table, which is where nonmetals are. As a result, a covalent bond will be formed between the two nonmetals.

So, we can say that covalent bond is between phosphorus and chlorine.

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Neutral atom generally means to atoms which don't react with any other atoms or elements.

If an atom has an equal number of electrons and protons, then it also has an equal number of negative (the electrons) and positive electric charges (the protons). As a result, the total electric charge of the atom is zero, and the atom is said to be neutral. Thus, all the elements in the periodic table are neutral atoms.

Example of neutral atom

For example a neutral sodium atom which contains 11 protons and 11 electrons. And after removing an electron from this atom we get a positively charged Na⁺ ion that has a net charge of +1. Atoms become negatively charged when it  gains extra electrons.

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Answer: The hot dissolved butter will form softer cookies.

Explanation:

Both oxygen and iodine are non-metals. Neither contributes electrons to achieve octet stability. Instead of forming an ionic bond, these two electrons are shared to form a covalent bond.

If these two compounds react to form a compound, that compound is considered an ionic compound. The ionic form of rubidium is Rb+, while the ionic form of sulfur is S2-. Sodium reacts with oxygen to form ionic compounds.

On the other hand, sodium chloride contains ions. It is an ionic compound. Ionic compounds contain ions that are held together by attractive forces between oppositely charged ions. Table salt is one of the best-known ionic compounds. Rubidium is a positive element. It actively donates its single valence electron to form a positively charged cation.

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Answer:

here is the diagram

Explanation:

Answer:

pH=7.32

Explanation:

pH is a mathematical expression that represents -log base 10 of the hydronium concentration:

[tex]pH=-\log[H_3O]\\pH=-log(4.75x10^-8)\\pH=7.32[/tex]

Because the electrons in sulfur are so tightly bound and unable to move, the element functions more like an insulator. Since electrons have a harder time moving when they are packed closely together as a solid, Sulphur is dull and brittle, which again indicates that it is a poor conductor.

Sulfur is a brittle, pale yellow, odorless solid that is soluble in carbon disulfide but insoluble in water.

Materials like coal and sulfur, however, have a softer, duller appearance. On hammer blows, they crumble into a powdery mass. They lack sonority and have poor conductivity for both heat and electricity.

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The formula of the hydrated potassium carbonate salt is K₂CO₃.2H₂O

Based on the calculated mass ratio of carbon and oxygen in carbon dioxide, carbon has a fixed composition.

Hydrated compounds are compounds that contain one or more molecules of water physically combined with a molecule of the compound.

The formula of the hydrated potassium carbonate salt is determined as follows:

Mass of the hydrated sample = 10.0 g

Mass of anhydrous salt = 7.83

mass of water = 10 - 7.83

mass of water = 2.17 g

Molar mass of water = 18.0 g

Molar mass of anhydrous potassium carbonate = 138 g

moles of anhydrous potassium carbonate in sample = 7.83/138

moles of anhydrous potassium carbonate = 0.056 moles

moles of water in the hydrated salt = 2.17/18

moles of water in the hydrated salt = 0.12

Mole ratio of water to anhydrous salt = 0.12/0.056

Mole ratio of water to anhydrous salt = 1 : 2

Formula of hydrated salt = K₂CO₃.2H₂O

The mass ratio of carbon to oxygen in the compounds is given below:

Sample 1:

Mass ratio = 3.62 / (13.26 - 3.62)

Mass ratio = 0.38 : 1

Sample 2:

Mass ratio = 5.91 / (21.66 - 5.91)

Mass ratio = 0.38 : 1

Sample 3:

Mass ratio = 7.07 / (25.91 - 7.07)

Mass ratio = 0.38 : 1

Carbon has a fixed composition.

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The amount, in grams, of iron that would be needed to completely consume 20.0 L of oxygen gas would be 0.599 grams.

The equation of the reaction can be expressed as follows;

[tex]4Fe + 3O_2 --- > 2Fe_2O_3[/tex]

Stoichiometrically, 4 moles of iron requires 3 moles of oxygen gas.

20.0 L of oxygen at 1 atm and 25 °C would be equivalent to:

pv = nrt, where p is the pressure, v is the volume, n is the number of mol, R is the universal gas constant, and t is the temperature.

In this case, p = 1 atm, v = 20.0 L, r = 8.3145, and t = 25 +273

n = pv/rt

  = 1x20/8.3145x298

  = 20/2477.721

  = 0.008 mol of oxygen

The equivalent mole of iron required would be:

0.008 x 4/3 = 0.0107 mol

The molar weight of iron is 56.

Mass of 0.0107 mol of iron = 0.0107 x 56

                                            = 0.599 grams

In other words, 0.599 grams of iron would be needed to completely consume 20.0 L of oxygen at 25 °C and 1 atm.

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lithification is a complex process where sediments are compact under pressure, expel connate fluids and converted into solid rock.

A rock is the collection of solid (grains) mineral materials that grow or become cemented together. it can be a natural substance composed of solid crystals of different minerals that have been blend together into a solid lump.

The major types of rocks are:

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It turns electrical energy into KE.

This is the correct statement of how a generator works:

A generator is described as a device that converts motive power or fuel-based power into electric power for use in an external circuit.

Generators contrary to general opinion do not create electricity instead it uses the mechanical energy supplied to it to force the movement of electric charges present in the wire of its windings through an external electric circuit. This flow of electrons makes up  the output electric current supplied by the generator.

The present-day generators work on the principle of electromagnetic induction that was discovered by Michael Faraday.

Faraday realized that the above flow of current can be created by moving an electrical conductor in a magnetic field and this movement creates a voltage difference between the two ends of the conductor which causes the electric charges to flow, hence generating electric current.

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Complete question:

How does the generator work? Select the statement that describes that.

______It turns electrical energy into KE.

_____ It turns sound energy into electrical energy.

_____ It turns electrical energy into sound energy.

_____ It turns electrical energy into thermal energy.

_____ It turns KE into electrical energy.

No, oxygen and nitrogen will not form an ionic bond.

Covalent bonds formed by sharing electron pairs are what bind nitrogen and oxygen together. Nitrogen has an electronegativity of 3.0, while oxygen has a value of 3.5.

A covalent bond is formed when two atoms exchange one or more pairs of electrons. The two atomic nuclei are concurrently drawing these electrons to them. When the difference between the electronegativities of two atoms is too tiny for an electron transfer to take place to create ions, a covalent bond is formed. Hydrogen (H₂), oxygen (O₂), nitrogen (N₂), water (H₂O), and methane (CH₄) are five examples of covalent bonding. A covalent bond is a type of chemical relationship where two atoms share electron pairs.

Thus, bond between Nitrogen and oxygen is not ionic but covalent bond.

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The volume of the sample after the reaction takes place at constant temperature and pressure would be 5.4 L.

In the reaction: [tex]N_2(g) + 2H_2(g)-- > N_2H_4(g)[/tex]

Stoichiometrically, 1 mole of [tex]N_2[/tex] reacts with 2 moles of [tex]H_2[/tex] to produce 1 mole of [tex]N_2H_4[/tex].

In reality, 0.1500 mol of  [tex]N_2[/tex] reacts with 0.3000 mol of [tex]H_2[/tex]. The equivalent amount of [tex]N_2H_4[/tex] that would be formed will be 0.1500 mol according to the mole ratios from the balanced equation of the reaction.

Now, at constant temperature and pressure:

0.1500 + 0.3000 = 0.4500 mol

0.4500 mol is equivalent to 16.2 L according to the illustration.

0.1500 mol of  [tex]N_2H_4[/tex] is produced, the equivalent mole would, therefore, be:

0.4500 mol = 16.2 L

0.1500 mol = 16.2 x 0.1500/0.4500

                  = 5.4 L

In other words, the volume of the sample after the reaction takes place at constant temperature and pressure would be 5.4 L.

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Answer:sulphur reacts with chlorine in 1:2

Explanation:hope this helps :)

The balanced chemical equation for acid-base reactions is as given below

2HCl(aq) + Ca(OH)2 ------ CaCl2 + 2H2O

A chemical equation is said to be balanced chemical equation if the atoms or molecules of different elements on the reactant side is equal to the atoms or molecules of different elements on the product side.

In the given reaction, HCl is reactant and Ca(OH)2 is base. They react with each other to form CaCl2 and release two molecules of H2O.

Now, we will balance the chemical equation.

On reactant side, there are 3 atoms of hydrogen atoms, one atom of chlorine, two atom of oxygen and one calcium atom. So, we equal it by reacting two molecules of HCl with one molecule of Ca(OH)2 to form one molecule of CaCl2 and two molecules of water.

Therefore, by balancing equation we get

2HCl(aq)+Ca(OH)2 ------ CaCl2 + 2H2O

Thus, we concluded that the balanced chemical equation for acid-base reactions is as given below:

2HCl(aq) + Ca(OH)2 ------ CaCl2 + 2H2O

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The statement which correctly explains how matter is conserved in chemical reactions is- Atoms of each element are conserved, so the total mass does not change.

The Law of Lomonsov-Lavoisier and the Law of Conservation of Mass are other names for the Law of Conservation of Matter. "The mass is not generated or destroyed, simply altered," according to this law.

As a result of the diverse atomic arrangements in the various substances, the reagents interact with one another to create new products that differ from the reagents in terms of their physical and chemical characteristics. But the amount of matter or mass before and after a transformation (chemical reaction) must always be constant; that is, the amounts of the masses involved in a given reaction must not change in their proportions when the reaction is complete.

n other words, the mass prior to the chemical reaction and the mass following the reaction are equal. Nuclear reactions are the exception to the norm, where it is possible to change mass into energy and vice versa.

Hence, the statement which correctly explains how matter is conserved in chemical reactions is- Atoms of each element are conserved, so the total mass does not change.

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