Use what you’ve learned about Lewis structures and formal charges to predict which of the following sulfur-containing molecule(s) would be least likely to exist.

SO2

H2S2

SCl2

HS

HSOH

Answers

Answer 1

Answer:

its DDDDDDDDDDDDDDDDDD

Answer 2

The structure that is least likely to exist is HS.

Sulfur is an element in group 16. Sulfur is a divalent element that has two lone pairs of electrons. This means that sulfur forms compounds in which it is bonded to two atoms or groups.

All the molecules listed can exist because they consists of structures in which sulfur is bonded to two atoms or groups. The only structure that can not exist is HS because it does not satisfy the valency of sulfur.

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Related Questions

A child is prescribed morphine sulfate at 35.0 mcg/kg/dose. The child weighs 85 lb and the solution is available as a 5.0-mg/mL vial. How many milliliters should be injected?

Answers

Answer:

270 mL

Explanation:

First we convert the child's weight to kg:

85 lb * [tex]\frac{453.592g}{1 lb} *\frac{1kg}{1000g}[/tex] = 38.56 kg

So the total mass of morphine sulfate that should be injected is:

38.56 kg * 35.0 mg/kg/dose = 1349.6 mg/dose

Finally we calculate the volume that should be injected, using the concentration of the available solution:

1349.6 mg ÷  5.0 mg/mL = 269.9 ≅ 270 mL

The accurate millilitre is 268 mL.

First of all, we must obtain the mass of the child in kilograms;

1 Ib = 0.45 Kg

85 lb = 85 lb × 0.45 Kg/1 Ib

= 38.25 Kg

If 1 Kg takes 35.0 mcg/kg/dose

38.25 Kg takes 38.25 Kg × 35.0 mcg/kg/dose/1 Kg

= 1338.75 mg/dose

Hence;

1338.75 mg/dose/5.0-mg/mL  = 268 mL

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What is the answer? Please

Answers

Cells is the answer can I have brainliest
The answer is living cells

How many moles of KCI would be dissolved in 4 L of water to make a 2 M
solution?
1
A.
mole
B. 2 moles
C. 8 moles
D. 4 moles

Answers

The answer is the second one

Answer:

C. 8 Moles

Explanation:

A scientist performs an experiment involving the collision of two masses on a flat surface. She believes she has made a startling discovery: the total kinetic energy is not conserved. What might she have overlooked?
A.
Some gravitational potential energy may have been gained.
B.
Some gravitational potential energy may have been lost.
C.
Some energy may have been gained due to friction and/or sound.
D.
Some energy may have been lost due to friction and/or sound.

Answers

Answer:

c

Explanation:

A collection of the same kind of cells working together to do the same job

Answers

Answer:

A group of cells doing the same job forms a tissue. A group of tissues working together forms an organ. Organs work in groups, too. A group of organs doing the same job is called a system.

Explanation:

what reacts at room temperature with ethanol and also with ethanoic acid

Answers

Answer: Its esterification reaction.

when organic acid react with alcohol it forms ester and water. reaction is known as esterification reaction.

CH3COOH + C2H5OH → CH3COOC2H5 + H2O

ethanoic acid + ethanol → ethyl acetate + water

this reaction takes place in the presence of acid catalyst ( dil H2SO4).

in this reaction oxygen of ethanol with lone pair act as nucleophile and carbonyl carbon of acetic acid act as electrophile.. so its nucleophilic substitution reaction of -COOH group.

Explanation:

Ethanoic acid reacts with ethanol in the presence of concentrated sulphuric acid as a catalyst to produce the ester, ethyl ethanoate. The reaction is slow and reversible. To reduce the chances of the reverse reaction happening, the ester is distilled off as soon as it is formed.

2. A person with a body temperature of 37°C holds an ice cube with a temperature of 0°C
in a room where the air temperature is 20°C. The direction of heat flow is
a) From the person to the ice, only
b) From the person to the ice and air, and from the air to the ice
c) From the ice to the person, only
d) From the ice to the person and air, and from the air to the person

Answers

Answer:

b) From the person to the ice, and from the air to the ice

Explanation:

The direction of heat flow in the room is from the person to the ice and from the air to the ice.

The ice is at the lowest temperature.

Heat flows from a place with a higher measure of heat to a place with a lower amount of heat. Since the ice has the lowest heat, there is a thermal gradient set up. Heat will flow from the body and air towards to the ice.

10. For each of the following pairs of ionic compounds, state which would be expected to have the higher (more negative) lattice energy.

a. LiF or KBr

b. NaCl or MgS

c. MgO or RbI

Answers

Answer:

C I belive

Explanation:

The higher lattice energy in option a is for LiF. Similarly, MgS have higher lattice energy that NaCl and  MgO have higher lattice energy than RbI.

What is lattice energy?

Lattice energy of a compound is the energy required to convert one mole of that compound into its constituent gaseous ions. Lattice energy increases as the size of the ion decreases. As well as, higher the charge of the ions higher will be the lattice energy.

In LiF and KBr, Li and F are the smaller ions and is having higher lattice energy. In the case of NaCl and MgS, Mg and S are having +2 charge and are smaller causes MgO higher in lattice energy.

Similarly in the case of MgO and RbI the same concept can be applied. Rb⁺ and I⁻ are bigger ions where as Mg²⁺ and O²⁻ are comparatively smaller and have higher charge result in higher lattice energy.

Thus compound which have higher lattice energy in option a is LiF, in option b is MgS and in option C is MgO.

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What do chemical compounds want to obey?

Answers

Answer:

Their atoms obey the octet rule

Explanation:

Chemical compounds are formed when atoms combine with one another in order to comply with the octet rule. The octet configuration gives an atom stability in electronic structure.

When atoms become isoelectronic with noble gases, it confers a special stability on them. Therefore, to attain this state, they gain or lose electron or share their electrons with other species.

A student has a balloon with a volume of 2.5 liters that contains 4.0 moles of air. The ballon has a small leak, allowing one mole to escape, leaving just 3.0 moles of air inside the balloon. What is the balloon's new volume after the air has escaped?

Answers

Answer:

1.9 L

Explanation:

Step 1: Given data

Initial number of moles of air (n₁): 4.0 molInitial volume of the balloon (V₁): 2.5 LFinal number of moles of air (n₂): 3.0 molFinal volume of the balloon (V₂): ?

Step 2: Calculate the final volume of the balloon

According to Avogadro's law, the volume of an ideal gas is directly proportional to the number of moles. We can calculate the final volume of the balloon using the following expression.

V₁ / n₁ = V₂ / n₂

V₂ = V₁ × n₂ / n₁

V₂ = 2.5 L × 3.0 mol / 4.0 mol

V₂ = 1.9 L

What is the mass number of an atom that has 19 protons, 19 electrons, and 20 neutrons?

Answers

Answer:

[tex]\boxed {\boxed {\sf 39}}[/tex]

Explanation:

The mass number of an atom can be found by adding the number of protons and neutrons.

[tex]mass \ number =protons + neutrons[/tex]

There are 19 protons and 20 neutrons.

[tex]protons=19 \\neutrons=20[/tex]

[tex]mass \ number= 19+20[/tex]

[tex]mass \ number =39[/tex]

The mass number of this atom is 39

What happened to solid materials when mixed with the liquid materials?​

Answers

Answer:

the solid materials will disappear after mixing with a liquid material

plsss mark me as brainliest answer plsssssssss

Answer: go fk your dad you fkin whor

20. What part of an atom exists in orbitals surrounding the nucleus?
A. electron
B. photon
C. neutron
D. proton

Answers

A)electron orbits around the nuclues

how many sodium ions are in 1.4 kg of sodium chloride, NaCl?

Answers

Answer:

1.44 x 10²⁵ ions of Na⁺

Explanation:

Given parameters:

Mass of NaCl  = 1.4kg  = 1400g

Unknown:

Number of ions of sodium  = ?

Solution:

The compound NaCl in ionic form can be written as;

      NaCl →  Na⁺ + Cl⁻

In 1 mole of NaCl we have 1 mole of sodium ions

 Now, let us find the number of moles in NaCl;

  Number of moles  = [tex]\frac{mass}{molar mass}[/tex]  

    Molar mass of NaCl  = 23 + 35.5 = 58.5g/mol

Number of moles  =  [tex]\frac{1400}{58.5}[/tex]     = 23.93mol

 So;

   Since 1 mole of NaCl gives 1 mole of Na⁺  

    In 23.93 mole of NaCl will give 23.93 mole of Na⁺

1 mole of a substance  = 6.02 x 10²³ ions of a substance

  23.93 mole of a substance  =  6.02 x 10²³ x  23.93

                                                   = 1.44 x 10²⁵ ions of Na⁺

Fossil fuels contribute to about 85% of the total energy produced in the world. What is a direct environmental
consequence of the extensive use of fossil fuels?

Answers

Answer:your a poop face

Explanation:

Imagine not knowing the answer

Answer: C

Explanation:

H20+ SO3 ? Which compound is likely produced by the chemical reaction?​

Answers

Answer:

h2so4

Explanation:

im big brain.

Complete the balanced molecular chemical equation for the reaction below.

If no reaction occurs, write NR after the reaction arrow.

Cu2SO4(aq) + Li3PO4(aq)

Answers

Answer:

Following are the complete balance of the given equation:

Explanation:

Given equation:

[tex]Cu_2SO_4(aq) + Li_3PO_4(aq)[/tex]

[tex]Cu_2So4\ (aq)+Li_3Po_4 \(aq) \longrightarrow Cu_3(Po_4)\ (aq)+Li_2So_4 \ (aq)[/tex]

After Balancing the equation:

[tex]3 Cu_2So4\ (aq)+ 2 Li_3Po_4\ (aq) \longrightarrow 2 Cu_3(Po_4)\ (aq)+ 3Li_2So_4 \ (aq)[/tex]

In the above equation, when the 3 mol Copper sulfate reacts with 2 mol lithium phosphate , it will produce 2 mol Copper phosphate  and 3 mol Lithium sulfate .

A gas at -20c occupies volume 140 ml calculate temperature at which the volume of the gas becomes 65 ml pressure constant

Answers

Answer:

–156 °C

Explanation:

The following data were obtained from the question:

Initial temperature (T1) = –20 °C

Initial volume (V1) = 140 mL

Final volume (V2) = 65 mL

Final temperature (T2) =?

Pressure = constant.

Next, we shall convert –20 °C to Kelvin temperature. This can be obtained as follow:

T(K) = T(°C) + 273

Initial temperature (T1) = –20 °C

Initial temperature (T1) = –20 °C + 273 = 253 K.

Next, we shall determine the new temperature of the gas as follow:

Initial temperature (T1) = 253 K

Initial volume (V1) = 140 mL

Final volume (V2) = 65 mL

Final temperature (T2) =?

V1/T1 = V2/T2

140/253 = 65/T2

Cross multiply

140 × T2 = 253 × 65

140 × T2 = 16445

Divide both side by 140

T2 = 16445 /140

T2 = 117 K

Finally, we shall convert 117 K to celcius temperature. This can be obtained as follow:

T(°C) = T(K) – 273

T2 = 117 K

T2 = 117 K – 273

T2 = –156 °C

Thus, the new temperature of the gas is –156 °C

What does this passage explain about people?

why mothers favor some children over others

the contrasting sides of human nature

why there is harmony in all things

left- and right-handedness

Answers

Answer:

the contrasting sides of human nature

Explanation:

I took the test

defferent between crysttiline solid and amerphus solid​

Answers

Answer:

Crystalline solids have well-defined edges and faces, diffract x-rays, and tend to have sharp melting points. In contrast, amorphous solids have irregular or curved surfaces, do not give well-resolved x-ray diffraction patterns, and melt over a wide range of temperatures.

Explanation:

Hope this helped!

Answer:

Crystalline solids have well-defined edges and faces, diffract x-rays, and tend to have sharp melting points. In contrast, amorphous solids have irregular or curved surfaces, do not give well-resolved x-ray diffraction patterns, and melt over a wide range of temperatures.

Explanation:

Titration of a strong acid with a strong base. The pH curve for titration of 50.0 mL of a 0.100 M solution of hydrochloric acid with a 0.100 M solution of NaOH(aq). What volume of NaOH(aq) would be needed to reach the equivalence point if the concentration of the added base were 0.240 M?

Answers

Answer:

Explanation:

we know that M1V1=M2V2

M1=0.100 M

V1=50.0*10^-3 L

M2=0.100 M

V2=M1V1/M2

V2=0.100*50.0*10^-3/0.100

V2=0.05

To know the end point we use phenolphthalein as indicator. End point is a point where completion of reaction happen. The volume of NaOH needed to reach the equivalence point if the concentration of the added base were 0.240 M is 20.8ml.

What is titration?

Titration is a technique by which we know the concentration of unknown solution using titration of this solution with solution whose concentration is known.

The balanced equation is

HCl+NaOH[tex]\rightarrow[/tex]NaCl+H₂O

Using following equation

M₁×V₁=M₂×V₂

Where,

M₁=molarity of HCl= 0.100 M

V₁=volume of HCl=50.0 mL

M₂=molarity of NaOH=0.240 M

V₂=volume of NaOH=?

Substituting the given values

0.100 M ×50.0 mL=0.240 M×V₂

V₂=20.8ml

Therefore, the volume of NaOH needed to reach the equivalence point if the concentration of the added base were 0.240 M is 20.8ml.

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Is there anyone studying a doctor in pharmacy?​

Answers

Answer:

no I am in 8 standard

I am already preparing for a doctor for my future

You have two pure substance that you cannot identify. Each sample is solid at room temperature. Describe at least five steps in the appropriate sequence that you would take to be able to identify the substance. ​

Answers

Answer:

pue like ad

Explanation:

For the two pure substance that you cannot identified , The steps taken in the right sequence are:

When two pure substance are places before you. you have to visually anaylse the sample, note the various colors that they have. It can tell you if it's an anions or cations.

You can use reactants to precipitate the cations of the sample you have

We then add a reactant to the sample and you did not see any precipitate, it corresponds to any of the elements or compound. If you do not see a precipitate, you can add other reactant.

You then observe the color of this precipitate. example if the color changes to green, it will tell you that the substance is Ni(OH)₂ etc.

One can also find out through the melting and boiling point of the two substances.

Pure substance are regarded as substance that does not have impurities. one common way of finding out the purity of a substance is by its melting and boiling point determination.

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Toluene is subjected to the action of the following reagents in the order given: (1) KMnO4,OH-, heat; then H3O (2) HNO3, H2SO4 (3) Br2, FeBr3 What is the final product of this sequence?

Answers

Answer:

See image attached

Explanation:

The reaction of toluene with alkaline potassium permanganate in the presence of heat leads to the oxidation of the -CH3 to give benzoic acid.

Reaction benzoic acid with HNO3/H2SO4 yields the nitronium ion (NO2+).

Recall that -COOH is a metal director and deactivated the ring towards electrophilic substitution hence the m-nitrobenzoic acid is formed.

Reaction with FeBr3/Br2 yields the product shown in the image attached.

How much of the sulfur burnt is normally oxidized to hexavalent state?
A. 35 to 50%
B. 100%
C. 2 - 100%
D. 98%

Answers

I feel that it is D but I am not 100% sure sadly.

a sample gas is in the rigid cylinder with a movable piston the pressure of the gas is kept constant if the kelvin temperature of the gas is doubled the volume of the gas is?

Answers

Answer:

The pressure of the gas is kept constant. If the Kelvin temperature of the gas is doubled, the volume of the gas is. O 1.

According to VSEPR theory, a molecule with the general formula AX4 E1 will have a __________ molecular shape.a. T-shaped square planar b. seesaw c. trigonal planar d. trigonal bipyramidal e. tetrahedral

Answers

Answer:

The answer is "Option e"

Explanation:

The ionic bond arousal system of the outer shells (VSEPR) allows us to determine which one of the feasible solutions are found in the majority of instances. It's also supposed to occupy the space with electrical pairs and also to reduce electrical couple repulsive forces to a minimum, its cheapest electricity framework. This theory can be used for predicting a form of electron pairs with a different mass of a particle's core electrons.

If element X has 6 valence electrons, what is the formula between element X and
magnesium.
a. X6Mg2
b. MgX3
c. MgX
d. XMg

Answers

I think it’s b but I could be wrong

Which of the following examples of erosion would occur most quickly?
OA. A river erodes sediment to form a canyon.
ОВ.
A glacier carves out a path as it moves.
OC. A wind storm moves sand from one area to another
OD
Ocean waves erode a large rocky cliff.

Answers

Answer: OC

Explanation:

The Others Could Take Many Millions Of Years

In a titration, you start with 0.05 M sodium hydroxide (NaOH) and slowly add it to 40 mL of HC1 with an unknown concentration. What is the original concentration of the HC1 if you add a total of 15.4 mL of sodium hydroxide to the HC1 to achieve pH =7?

Answers

Answer:

The original concentration of the HCl is: 0.01925 M

Explanation:

Equation:

HCl+NaOH-------> NaCl+H₂O

Volume of NaOH added = 0.05 M

No of moles of NaOH = 15.4 mL [tex]x\frac{1 L}{1000 mL} x\frac{0.05 mol NaOH}{L}[/tex]

= 0.00077 mol NaOH

Then,

Volume of HCl solution = 40 mL x 1/1000 mL

= 0.0400 L

Therefore,

Concentration of HCl = 0.00077 mol/0.0400 L

= 0.01925 M

Now, to find the pH:

pH = -log₁₀[H⁺]

     = -log₁₀(2x10⁻⁶)

     = 5.7

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