what atomic property of cscs is most responsible for its high reactivity? what atomic property of is most responsible for its high reactivity? high melting point small atomic size low ionization energy high zeffzeff

the net ionic equation when a solution of silver nitrate is mixed with a solution of sodium phosphate is silver nitrate(aq) + sodium phosphate(aq) → silver phosphate(s) + sodium nitrate(aq AgNO3(aq) + NagPO4(aq).

The net ionic equation is a synthetic calculation that only exhibits the components, substances, and ions that are involved directly in the chemical reaction. A net ionic formula illustrates only the chemical involved in a response, whereas a full ionic equation depicts the spectator ions as well. If there is no gross ionic equation to rebalancing, you encounter what is known as a molecular equation (or a complete molecular equation). These are more challenging to balance because the elements that are reduced and oxidised were also mixed in with substances that are not being lowered or oxidised.

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The oxidizing agent in the reaction Fe + \(AgNO_3\)→ \(Fe(NO_3)_3\) + Ag is option a \(AgNO_3.\)

A redox reaction is one in which the oxidation states of two species undergo changes. Iron is oxidized in the reaction, while silver nitrate is reduced. One of the reactants is being reduced, whereas the other is being oxidized.The oxidizing agent is the species that is being reduced, and it is the species that accepts electrons.

Fe is being oxidized in this reaction. Therefore, it cannot be the oxidizing agent, nor can\(Fe(NO_3)_3\). In contrast, \(AgNO_3.\)  is being reduced, which means it is accepting electrons. This is why\(AgNO_3.\)  is the oxidizing agent.The correct answer is  option a.

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In order to find a balanced equation in this question, we need to look at a reaction that presents the same number of the same elements on both sides of the reaction, and the option that presents this is:

Na2CO3 + 2 HCl -> 2 NaCl + CO2 + H2O

Letter D

Answer:

CH3F

Explanation:

because if drawn out its is asymmetric

Answer:

ones that can be mixed together

Explanation:

like water or ethanol

Answer:

miscible liquids are harder to separate as they dissolve in each other

Explanation:

hope this helps!

in H2C=CCl2: σ bonds = 3, π bonds = 1, in HOOC−COOH: π bonds = 0, σ bonds = 14, FHC=C=CHF: σ bonds= 7, π bonds = 2.

H2C=CCl2:

Number of σ bonds: 3 (2 C-H bonds and 1 C-Cl bond)

Number of π bonds: 1 (C=C double bond)

HOOC−COOH:

Number of σ bonds: 14 (8 C-H bonds, 4 C-O bonds, and 2 O-H bonds)

Number of π bonds: 0

FHC=C=CHF:

Number of σ bonds: 7 (4 C-H bonds, 2 C-F bonds, and 1 C-C bond)

Number of π bonds: 2 (2 C=C double bonds in the carbon ring)

In the molecule H2C=CCl2, there are three sigma bonds and one pi bond. The sigma bonds are formed due to the overlap of orbitals between the carbon atoms and hydrogen and chlorine atoms. The pi bond is formed by the sideways overlap of unhybridized p orbitals on the two carbon atoms in the double bond.

In the molecule HOOC−COOH, there are 14 sigma bonds and no pi bonds. The sigma bonds are formed due to the overlap of orbitals between the carbon, hydrogen, and oxygen atoms. This molecule is an example of a carboxylic acid, and the two carboxyl functional groups are connected by a carbon-carbon single bond.

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Answer: °32= 0 °C.

Explanation:

Answer:

Explanation:

Please add the temperature readings from all three trials for both thermometers. Will do the calculation with readings.

Answer:

34.611g

Explanation:

mass of metal = ?

density of metal = 1.39/cm³

volume = 24.9 cm³

density = mass/volume

mass = density × volume

= 1.39g/cm³ × 24.9 cm³

= 34.611g

A polyatomic ion, often called a molecular ion, is a set of covalently bound atoms or a metal complex that can be thought of as acting as a single unit and has a net charge that is not zero.

Chlorate. ClO₃⁻,Hydroxide. OH⁻,Carbonate. CO₃⁻²,Sulfate. SO₄⁻²,Phosphate. PO₄⁻³,Ammonium. NH₄⁺

Similar to how ions are created when neutral atoms acquire or lose electrons, polyatomic ions are created when neutral molecules gain or lose electrons. Because the total number of electrons in the molecule is more than the total number of protons in the molecule, a polyatomic ion is a collection of covalently bound atoms with a net charge. A polyatomic ion's net charge must be equal to the formal charges added to each of its atoms in the Lewis dot structure.

A molecule that has been ionised by gaining or losing electrons is referred to as a polyatomic ion. The group of atoms that are covalently linked together to form a polyatomic ion has a net charge because the total amount of electrons and protons in the molecule is not equal. When depicting Lewis dot structures, the total charge on a polyatomic ion is equal to the sum of the formal charges on each of the atoms in the ion.

List of Common Polyatomic Ions

[AsO3]3-Arsenate

[BO3]3-Borate

[PO3]3-Phosphite

[PO4]3-Phosphate

[SiO3]2-Silicate

[SO4]2-Sulfate

[SO3]2-Sulfite

[S2O3]2-Thiosulfate

[H2PO4]–Dihydrogen phosphate-

[OH]–Hydroxide

[HSO4]–Hydrogen sulphate

[NO3]–Nitrate

[NO2]–Nitrite

[ClO4]–Perchlorate

[MnO4]–Permanganate

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The first ionization energies of the elements increases as you go from left to right across a period of the periodic table, and as you go from the bottom to the top of a group in the table, atomic radius increases.

A chemical element's atomic radius, which is typically the average or typical distance between the nucleus's core and the outermost isolated electron, serves as a gauge for the size of an atom.

There are numerous non-equivalent definitions of atomic radius, since the border is not a clearly defined physical entity.

As we move across a row of the periodic table from left to right, the initial ionization energy rises. In the periodic table, the initial ionization energy falls as we move down a column.

Thus, option A is correct.

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Wascana Chemicals should use emissions reduction technologies to reduce the amount of sulphur dioxide emitted during paint production.

To comply with the Ministry of Environment's directive, Wascana Chemicals, a paint manufacturer, needs to reduce the amount of sulphur dioxide released during paint production. This can be accomplished through the use of emissions reduction technology, such as scrubbers, catalytic converters, or gasification systems.Scrubbers are devices that use a wet process to remove pollutants from gas streams. The gas stream is forced through a scrubbing solution that traps pollutants, including sulphur dioxide.Catalytic converters, on the other hand, use a chemical process to transform pollutants into less harmful substances. Gasification systems convert solid or liquid materials into a gas, which can be combusted to generate energy.

In conclusion, to comply with the Ministry of Environment's emissions reduction regulations, Wascana Chemicals should consider implementing one or more emissions reduction technologies such as scrubbers, catalytic converters, or gasification systems to reduce the amount of sulphur dioxide emitted during paint production.

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Answer:

0.03262841

I tried, hope this helps :)

Answer:

0.032 lbs

Explanation:

Divide the mass value by 454.

The medication can treat people who have the disease described. According to the commercial, the drug has FDA approval to treat a condition whose symptoms are listed.

Additionally, the narrator notes that the medication only comes with a prescription and has 1% of the active substance. We can deduce from this information that the drug can effectively treat persons who have the condition generating these symptoms, but obtaining it requires a prescription. The commercial provides no support for the other possibilities.

Therefore, the correct option is D.

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Answer:

5 meter/second.

Explanation:

You dived the seconds, 10, by the meters, 50.

Out of the given options, none of the following have the empirical formula CHO.

The empirical formula is the simplest formula for a compound that reflects the ratio of elements present in the compound. It gives the ratio of atoms of different elements in the compound. The empirical formula can be different from the molecular formula.

Lipids are the biomolecules that are composed of carbon, hydrogen, and oxygen (CHO) in a different ratio. They are the esters of fatty acids and glycerol. They are also known as fats or oils. They are the major component of cell membranes. Lipids include fats, phospholipids, and steroids.

Nucleic acids are macromolecules composed of nucleotide units. Nucleotide units consist of a nitrogenous base, a sugar, and a phosphate group. They are the building blocks of DNA and RNA. The empirical formula of nucleic acids is C5H4O2N3P. They contain nitrogen, phosphorus, carbon, oxygen, and hydrogen. They do not have the empirical formula CHO.

Proteins are macromolecules composed of amino acids. They have a complex structure. Proteins are composed of carbon, hydrogen, oxygen, and nitrogen. Some proteins also contain sulfur and phosphorus. Therefore, they do not have the empirical formula CHO. Thus, out of the given options, none of the following have the empirical formula CHO.

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Answer:

It is used in induction of electric current through electromagnetic induction.

Answer:

Aquatic plants that live underwater have leaves with large air pockets inside that allow the plant to absorb oxygen from the water.

Answer:

. Plant adaptations are changes that help a plant species survive in its environment. Aquatic plants that live underwater have leaves with large air pockets inside that allow the plant to absorb oxygen from the water. The leaves of aquatic plants are also very soft to allow the plant to move with the wave.

Explanation:

Answer:

He will burn 50 meters in 5 days

Explanation:

multiply 10 and 5.  

Answer:

80450 meters

Explanation:

To go from miles to meters multiply by 1609, so do 1609 x 10. Next, take that number times 5 because that is the number of days.

- Let me know if you need further explanation.

The number of protons in the nucleus that determines the chemical properties of an atom.

What is proton ?

A proton is a stable subatomic particle with the symbol p, H+ or 1H+ and a positive charge of +1 e elementary charge. Its mass is slightly less than that of a neutron, 1836 times that of an electron (proton-to-electron mass ratio). Protons and neutrons, each with about one atomic mass unit, are collectively called "nucleons" (particles present in the nucleus).

All atoms have one or more protons in their nucleus. They ensure an electrostatic central force of attraction that binds atomic electrons together. The number of protons in the nucleus is the defining property of an element and is called the atomic number (denoted by the symbol Z). Since each element has a unique number of protons, each element has a unique atomic number, which determines the number of atomic electrons and, consequently, the chemical properties of the element.

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Explanation:

Review and Study Material Before Going to Class. ...

Take Good Notes. ...

Practice Daily. ...

Take Advantage of Lab Time. ...

Use Flashcards. ...

Use Study Groups. ...

Break Large Tasks Into Smaller Ones.

reading a variety of chemistry books

Answer:

An ion is an atom or molecule that carries an electric charge.

Ions are identified by the use of a superscript to show the sign and size of their electric charge.

Negatively charged ions are called anions, and positively charged ions are called cations.

Explanation:

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across.

Answer: Condensation

Explanation:

Answer: Melting

Explanation:

The tensile stress required to fail a tensile coupon that has a 0.5 mm crack on one side is about 14.35 MPa.

Polymethyl methacrylate (PMMA) is a transparent thermoplastic often used as a lightweight or shatter-resistant alternative to glass. It is also used in casting, molding, and extrusion. The tensile strength of PMMA is roughly 65 MPa, but this value changes when a defect is present. The stress required to cause failure can be calculated using the single edge notch plate model to calculate the geometric factor Y.

The fracture toughness of PMMA is 1 MPa m¹/2, and the crack length is 0.5 mm. 12.5 mm is the width of the specimen.For a tensile coupon, the tensile stress required to fail it with a 0.5 mm crack on one side is calculated using the following formula:Stress = (K IC / Y √(πa)) × (b / W)where KIC is the fracture toughness, Y is the geometric factor, a is the crack length, b is the specimen width, and W is the specimen width. For a PMMA coupon with a 0.5 mm crack, a is 0.5/2 = 0.25 mm. Y = 1.12, according to the single edge notch plate model. Substituting the given values, the stress required to fail the coupon is:Stress = (1 MPa m¹/² / 1.12 √(π x 0.25 mm)) × (12.5 mm / 12.5 mm)≈ 14.35 MPa.

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The volume of 30% concentrated lime juice that must be added to a 4L solution of 80% concentrated lime juice and 20% water is 6 L.

Mixtures are substances which are formed when two or more substances are physically combined together.

Mixtures are heterogenous in nature and the constituents can be easily separated.

The volume of 30% concentrated lime juice that must be added to a 4L solution of 80% concentrated lime juice and 20% water, so that the concentration of the resulting solution is 50% concentrated lime juice is determined as follows:

Let the volume of 30% lime juice required be x;

total volume of lime juice = 0.3x

For 80% lime juice, volume of lime juice = 0.8 * 4 = 3.2 L

New volume of lime juice = 4 + x

New amount of lime juice added = 3.2 + 0.3x

Also, new amount of lime juice = 0.5 * ( 4 + x)

3.2 + 0.3x = 0.5 * ( 4 + x)

0.2x = 1.2

x = 6 L

In conclusion, the volume to be added is obtained from the percent concentration.

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Answer: it’s A

Explanation:

Answer:

It's A

Explanation:

The second step in the Gram staining procedure involves the flooding of the slide for the one minute is with iodine . The correct option is B. iodine.

There are the four fundamental steps in the Gram stain process , the first is to apply a base color that is the crystal violet. In second step  adding the Gram's iodine as the mordant. In the third step, the Rapid decolorization with the acetone, the ethanol, or the combination of the two and in the four step,  Using the safranin as the counterstain.

Thus, the iodine will be used in the second step in the Gram staining process that involves the flooding in the slide for one minute.

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The balanced chemical equation for the reaction between magnesium (Mg) and oxygen (O2) to form magnesium oxide (MgO) is:

2Mg (s) + O2 (g) → 2MgO (s)

In this equation, there are 2 atoms of magnesium and 2 molecules of oxygen on both sides of the equation, which means the equation is balanced.

This is an example of a synthesis reaction, where two or more substances combine to form a new compound. In this case, magnesium and oxygen react to form magnesium oxide. The reaction is exothermic, which means that it releases heat. This reaction is commonly used in the production of magnesium oxide, which is a useful material in various industrial applications, such as refractory linings in furnaces and kilns.

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Balance the chemical equation Mg (s) + O2 (g) → MgO (s) and identify type of reaction.

The balanced chemical equation for the formation of magnesium oxide (MgO) from the interaction of magnesium (Mg) and oxygen (O2) is 2Mg (s) + O2 (g) (s).

As there are two magnesium atoms and two oxygen molecules on either side of the equation in this case, the equation is balanced.

This is an illustration of a synthesis reaction, in which two or more chemicals come together to create a brand-new compound. As a result of this reaction, magnesium and oxygen produce magnesium oxide. Because the process is exothermic, heat is given off. Magnesium oxide is a result of this reaction that is frequently utilised in a variety of industrial applications, such as refractory linings for furnaces and kilns. Chemical symbols are used in chemical equations to represent what happens during a chemical reaction.

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Balance the chemical equation Mg (s) + O2 (g) → MgO (s) and identify type of reaction.

The ideal gas equation is PV = nRT, The pressure A =B.

Equimolar quantities of salts are taken for double salts education due to the fact the houses of the character cation or anion does no longer alternate in double salts while dissociates and if salts are not in equimolar then they could get precipitate.

An equimolar buffer is one in which the concentration of the susceptible acid (or base) is the same as the concentration of the conjugate ion.

Quantities in chemistry are commonly expressed as moles; whereas concentrations use the time period molar. A mole of some thing is the molecular weight for the compound expressed as grams.

case I

n= same , T= same , V= same Thus

i) pressures  A =B

ii) rmas speed is given by u = (3RT/M)1/2

Thus A with higher molar mass has less rms speed

 A< B

iii) average kinetic energy depends only on temperature (Average Kinetic energy = 3/2 RT)

Thus A =B as they are at same temperature

Case II

C and D are at

 n= same , M = same , V= same T(C) > T(D)

i) pressures   C>D  as P is proportional to T

ii) rms speed

 C>D as rms velocity is proportional to T

iii) average kinetic energy  C >D

Case III

n = same M = same , T = same , V of E >F

i) pressures E<F as P is inversely proprtional to V

ii) rms speed  E =F at same temperature

iii) average kinetic energy E =F

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Disclaimer:- your question is incomplete, please see below for the complete question.

consider equimolar samples of different ideal gases at the same volume and temperature. gas a has a higher molar mass than gas b. compare the pressures. a>b a

Answer: Because carbon-14 has six protons, it is still carbon, but the two extra neutrons make the nucleus unstable. In order to reach a more stable state, carbon-14 releases a negatively charged particle from its nucleus that turns one of the neutrons into a proton.