Write Lewis structures for the following molecules or ions. (Assign lone pairs, radical electrons, and atomic charges where appropriate.)F2CNH

The maximum volume of carbon dioxide that can be formed at RTP would be 0.48 L.

Sodium carbonate reacts with hydrochloric acid according to the following balanced equation:

[tex]Na_2CO_3 + 2HCl -- > 2NaCl + H_2O + CO_2[/tex]

The mole ratio of the sodium carbonate that reacts to the carbon dioxide that is produced is 1:1. Thus 0.020 mol of sodium carbonate will be equivalent to 0.020 mol of carbon dioxide.

At room temperature and pressure (RTP), 1 mole of gas is equivalent to 24 L of gas.

Thus, 0.020 mol carbon dioxide would be equivalent to:

0.020 x 24 = 0.48 L

In other words, the maximum volume of carbon dioxide that can be produced from the reaction at RTP is 0.48 L.

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Answer:

0.0183 moles are needed

Option C; The molecular geometry (shape) of the H3O+ ion is  trigonal pyramidal.

A cation The hydronium ion is also known as H3O+. If we look at the nomenclature for the hydronium ion, we can see that it can also be referred to as oxonium in the IUPAC nomenclature.

The name hydronium must be used to specifically identify hydronium ions because "oxyonium" is a broad term for all trivalent oxygen cations.

19.02 g/mol is the molar mass of the hydronium ion.

The three hydrogen atoms in H3O+ form a triangle at the three corners of oxygen, and one single pair of electrons on oxygen gives H3O+ its pyramidal shape.

The hydronium ion has the chemical formula H3O+. Any time an acid dissolves in water, the hydronium ion is created.

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Answer:

H +O2 gives H20 means water

C + O2 gives Co means carbon monoxide

Al+ O2 gives Al2O3 means Aluminium oxide

Mg +O2 give MgO2 means magnesium hydroxide

When the structure of 108Xe with S=0 is calculated, it has been noted that it contains 54 protons and 54 neutrons with strong symmetry, therefore 108Xe was thought to be stable, but when its half life is determined experimentally, it comes to be just 58 microseconds, which is truly quite low.

Xenon is a chemical element with the symbol Xe and the atomic number 54. It is a colourless, odourless noble gas found in tiny amounts in the Earth's atmosphere. Dizziness, nausea, vomiting, loss of consciousness, and death can result from excessive inhalation. Poor judgement, confusion, or loss of consciousness can all lead to death, preventing self-rescue.

Xenon is used in several specialised light sources. It emits a gorgeous blue light when activated by an electrical discharge. Xenon lamps are used in a wide range of applications, such as high-speed electronic flash bulbs for photographers, sunbed lamps, and bactericidal lights for food preparation and processing. Xenon improves long-term cognitive function in mice, reduces neuronal loss and chronic neuroinflammation, and improves survival after traumatic brain injury.

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The safest temperature to avoid scalding is 120 degrees Fahrenheit, but 140° seems to be the common default option. Most experts believe that any under 120 degrees Fahrenheit increases the risk of bacteria, such as legionella, which causes Legionnaire's disease, developing inside the hot water system from stagnant water.

The Fahrenheit scale is a thermal scale that was proposed by physicist Daniel Gabriel Fahrenheit in 1724. The degree Fahrenheit is the unit of measurement. Fahrenheit is a temperature scale in which ice forms at 32 degrees & boils at 212 degrees. The symbol ° F represents it.

Temperature is a physical measure that quantifies our feelings of hotness and coldness. A thermometer is used to measure temperature.

Thermometers are scaled in a variety of temperature scales that have historically been defined by various points of reference and thermometric substances.

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The cell potential of the reduction is -3.20V.

We know that the reduction has to do with electron gain. The process is called a redox reaction because it involves the simultaneous loss and gain of electrons in the process.

We have been told that the standard electrode potential of the cell as it has been shown is 3.20V. It is also clear that the second equation that been written is only possible when we turn the cell around in which case the cell potential would become - 3.20V.

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Answer:

Actinides

Explanation:good

:)

The concentration of the HCl (aq) solution was at least 1.0 M.

What is concentration?

The abundance of a constituent divided by the sum of the mixture's volumes is the definition of concentration in chemistry. There are several different categories of mathematical description: mass concentration, molar concentration, number concentration, and volume concentration

P = 0.095atm(corresponds to 0.20g of CaCO3

so,moles of CaCO3 =0.20g/100gmol⁻¹=0.002moles

moles of HCl =(molesₓCaCO3ₓ2)=0.002ₓ2

M=0.004/4ₓ100

Concentration of HCl=1M

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The correct statement about alkali metals and nitrate salts is c) Alkali metal salts and nitrate salts  are always soluble.So,correct option is c.

Salts of the alkali metal salt and the ammonium ion, Li+, Na+, K+, and NH₄+ are used to  soluble. Most importantly all metal nitrates and metal acetates are soluble.

The solvency of the metal nitrate in water containing carbon dioxide causes the arrangement of caverns with stalagtites and stalagmites and is liable for hardness in water. Other significant mixtures are the carbide, chloride, cyanamide, hypochlorite, nitrate, and sulfide. The dissolvability of silver nitrate is low to such an extent that everything except an irrelevant measure of it is hastened when overabundance sodium chloride arrangement is added to silver nitrate arrangement. What might be the heaviness of the hasten shaped when 100 ml of 0.5 M NaCl is added to 50.0 ml of 0.100 M AgNO₃.

Hence,correct option is c.

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(Complete question) is:

To start, watch as we mix various metal nitrates and Alkali metal salts. Which statement is true?

a) Alkali metal salts are soluble and nitrate salts are not.

b) Alkali metal and nitrate salts are never soluble.

c) Alkali Metal and Nitrate salts are always soluble

d)Alkali metal salts are not soluble while nitrate salts are soluble

Each natural element has a distinctive light spectrum that makes it easier to distinguish it from samples of unidentified or unknown compounds.

The atomic number and the number of protons in an atom are the two characteristics that can be utilized to identify an element. Although it can vary depending on the atom in question, the number of neutrons and electrons is often equal to the number of protons.

The series of energy levels that a bound electron may occupy makes up the electronic structure of atoms and molecules. Numerous distinguishing features of an atom or molecule, including as their chemical, optical, and electrical capabilities, are determined by this electronic structure.

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Answer:

This lift usually comes from differences in air density. Warmer, less dense air rises upward, creating lift. As the air lifts higher and higher, it causes a storm cloud to grow taller and taller. Thunderstorm clouds can rise up to 10 miles into the air!

the correct option is (C) dibromine monoxide

Chemical formulas are collections of symbols and numbers that describe the kind of atoms and elements that make up a molecule or compound.

Dibromine silicide is the formal dibromine monoxide  name of the substance. Compounds called silicides typically contain silicon together with other electropositive components. Bromine's chemical structure is Silicon's chemical structure isIt is obvious from the given name that there are two bromine atoms.

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Answer:

c

Explanation:

Whatever is left :

42.9 - 6.6 - 23 = 13.3 kpa

Answer:

13.3 kpa

Explanation:

The bond formed between the sodium bicarbonate is known as ionic bonds. They are known as metallic bonds and leads to the formation of cations.

The molecular weight  sodium bicarbonate of is 84.007. Sodium bicarbonate is known as an odorless white crystalline powder which can also form lumps.

They are slightly alkaline  in nature having a bitter taste.

The monosodium salt of carbonic acid, sodium bicarbonate which also has alkalinizing and electrolyte characteristics is known as sodium bicarbonate.

They dissociates into sodium and bicarbonate ions by decomposition. Ion generation raises blood pH by increasing plasma bicarbonate and buffering excess hydrogen ion concentration.

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The unidentified compound's weight in the recipe is To find the fraction, divide the percentage by 100. 63.55 divided by the fraction equals the molecular weight. 225.4 atomic units.

It is utilized in pyrotechnics, pyrolysis, anti-fouling coatings, flame proofing, printing, photocopying, and electrolysis operations. The atomic number 29 and chemical symbol Cu are assigned to the element copper.

Cu2O, Cu2Cl2, and cuprous sulfide are a few of the significant commercial compounds of copper(I) (Cu2S). The mineral cuprite, which contains cuprous oxide as a reddish brown or red crystal or powder, naturally occurs.

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Answer:

If the soil is too acidic, then thus we use a base (calcium hydroxide) to neutralize this soil, If the soil is too basic then we add organic matter to it as these organic matter let out acid which neutralizes the soil.

Hope it helps!

Answer:

due to exceeding of acids on the soil

Explanation:

he should use some base like calcium hydroxide to nutrilize it and make the soil ferrile

The density of the shot put can be given as 24.2 g/cm^3.

We know that the density is obtained as the ratio of the mass to the volume of the object. We know that the volume is an intrinsic property hence it can be used to be able to obtain the properties of the material that is in question

Now we have some information about the material that has been discussed in the question. We are told that the mass of the object is 7250 grams and the volume of the object is 300.0 cm3.

Given the fact that we have these parameters about the question, we can now be able to obtain the density of the material by the use of the formula that can be applied for density as;

Density = mass/volume

Density =7250 grams/ 300.0 cm3

= 24.2 g/cm^3

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The molarity of C2H5OH water solution which will freeze at -10 degree Celsius is 5.3 molar.

What is molarity?

A solution's molar concentration, also known as molarity, is the number of moles of solute present in a specific number of liter of the solution, or moles per liter.

Two indicators are used to measure it: the volume of the solution and the quantity of solute molecules. In essence, liter are used to measure the volume of the solution. "M" stands for "molarity."

According to the given question:

The depression if the freezing point

ΔTf = i ⋅ Kf ⋅m

ΔTf = -10 °C= 10 K = the depression if the freezing point

i = 1= van't Hoff's factor (ethanol is non electrolyte and does not dissociate in aqueous solution).

Kf =1.86 Kkg/mol= molal depression in freezing point constant

m= molality

ΔTf =i⋅ Kf ⋅m

10 K=1×1.86 K kg/mol × m

m=5.3 mol/kg=5.3 m

Hence, the molality of solution is 5.3 m.

Complete question:

What is the molality of C2H5OH in water solution which will freeze at -10 degree Celsius?

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Answer:

thermal decomposition

Atoms will combine with each in order to become more chemically stable. Compounds are formed between two atoms that have incomplete outer energy levels. The two types of compounds that can be formed between atoms are ionic and covalent. Ionic compounds are formed between two oppositely charged atoms. ionic compounds contain a metal ion and a non - metal ion:

Metals will lose electrons to form positive ions and nonmetals will gain elections to form negative ions. These oppositely charge ions are very attracted to each other and forms very strong bonds as a result.

Ionic compounds are characterized by crystalline structure.

High melting and boiling points, and are solids at room temperature.

Two non-metals will combine to form covalent compounds. Covalent compounds are formed when two atoms share one or more pairs of electrons The force of attraction between the main relatively weak. Covalent compounds are characterized by low melting and boiling points, and can be gases, liquids and soft solids at room temperature.

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Exposure route can be defined as a way by means of which a person can come in contact with the hazardous chemicals, this can be prevented by wearing personal protective equipments.

Personal protective equipment is a protective clothing which is worn to protect the wearer's body from hazard or injury.The hazards which can be addressed by the use of personal protective equipment are physical,chemical and bio hazards.

It imposes a barrier between the user and the working environment.The main purpose of personal protective equipment is to reduce exposure of employees to the hazards.

It has a limitation that it does not eliminate the hazard and may lead to harm to the employee if the equipment is damaged.

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The structure of [tex]IBr^{-}_{2}[/tex] has a linear organization(shown in the figure below).

The linear [tex]IBr^{-}_{2}[/tex] structure has two axially positioned bromine atoms and three lone pairs of electrons at equatorial positions to reduce lone pair repulsions. The bending rule for [tex]sp^{3}d[/tex] hybridization states that in order to reduce repulsions between lone pairs, all lone pairs of electrons should be in an equatorial orientation. Compared to lone pair-bond pair and bond pair-bond pair repulsions, lone pair repulsions are particularly strong. [tex]IBr^{-}_{2}\\[/tex] has a linear structure as a result.

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Answer:

Below

Explanation:

....is called an ATOM .

To solve this, we need to have a clear concept behind reactions of chemical reagent. Therefore, the reagents can be filled in below given ways.

The word "reagent" refers to a chemical component (a compound or combination, often of inorganic or tiny organic molecules) injected into organic chemistry to produce the desired conversion of an organic material. Collins, Fenton, and Grignard reagents are among examples.

The reagent  needed to carry out each reaction are:

For first reaction, reagent needed are HBr and KOC(CH[tex]_3[/tex])[tex]_3[/tex].

For second reaction, reagent needed are TsCl, pyridine and KOC(CH[tex]_3[/tex])[tex]_3[/tex].

For third reaction, reagent needed are TsOH, NBS and KOC(CH[tex]_3[/tex])[tex]_3[/tex].

For first reaction, reagent needed are Cl[tex]_2[/tex],H[tex]_2[/tex]O, NaH and HBr.

Therefore, the reagents can be filled in above given ways.

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The specific heat of the metal is 25.58°C. The amount of heat required to increase the temperature of 1 gram of a substance by 1 degree Celsius (°C) is known as specific heat.

Since water has a higher specific heat than other substances, it requires more energy to raise its temperature.

                                        -q  = q

                                 -mcΔT = mcΔT ……..(1)

ΔT represents the temperature change.

c represents the specific heat capacity.

It is assumed that the initial temperature of the zinc metal = T.

The specific heat capacity (c) of water = 4.184 J / g °C.

(-31.0g) × (69.84) × (26°C - T) = (55.26g) × (4.184J/g°C) × ( 26°C - 22.15°C)

2165.04 × (26°C - T) = 889.29 J

56291.04 - 2165.04 T = 889.29

- 2165.04 T = -55401.75

T = -55401.75/-2165.04

T = 25.58°C

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A polar covalent bond.

Polar covalent bond:

A covalent bond in which the electron density is unevenly shared between the two bonded atoms, due to a difference in electronegativity or due to inductive effects.

There is a bond between the atoms, and electrons are shared, but they are pulled more closely towards one of the atoms in the bond. The atom that pulls the electrons more closely has a slight negative charge, and the other atom has a slight positive charge in the opposite direction.

In HBr, both H and Br are nonmetals so the bond must be covalent. The difference in their electronegativities is:

ΔE = |EN(H)-EN(Br)| = |2.20-2.96| = 0.76

Hence this bond recognized as Polar covalent bond.

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The Correct option is C.

Nuclides below the valley of stability can become more stable through the process of positron emission.

Positron emission tomography (PET) is a technique that measures physiological function by looking at blood flow, metabolism, neurotransmitters, and radiolabelled drugs. PET offers quantitative analyses, allowing relative changes over time to be monitored as a disease process evolves or in response to a specific stimulus.

This technique is based on the detection of radioactivity emitted after a small amount of a radioactive tracer is injected into a peripheral vein. The tracer is administered as an intravenous injection usually labelled with oxygen-15, fluorine-18, carbon-11, or nitrogen-13.

Nuclides below the valley of stability can become more stable through the process of positron emission.

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