What is the formula of the ion hydrogen sulfite, which has a charge of -1

Answers

Answer 1
H2S^-1

the 2 is small below
-1 is small above

im sorry due to my typing error
Answer 2

There are two types of ions in chemistry, one is cation and the other is anion. Anion is the negative charge ion. Therefore, the formula of hydrogen sulfite ion is HSO₃⁻

What is chemical Compound?

Chemical Compound is a combination of ions, ions forms by combination of element and element forms by combination of atoms in fixed proportion.

According to our question the chemical compound from which hydrogen sulfite ion is coming is sulfurous acid that is H₂SO₃. So to get hydrogen sulfite ion we need to remove one hydrogen ion that is H⁺ from the chemical compound sulfurous acid.

The balanced reaction is

H₂SO₃[tex]\rightarrow[/tex]H⁺ + HSO₃⁻

From above reaction we can see that the charge over hydrogen sulfite ion is -1

Therefore the formula of hydrogen sulfite is HSO3-

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Related Questions

How are proteins carbohydrates and fats related to the discipline of chemistry

Answers

Answer:

Explanation:

The nutrition label on rice lists the amounts of proteins, carbohydrates, and fats in one serving. These substances are important for human nutrition. How are proteins, carbohydrates, and fats related to the discipline of chemistry? All are chemical compounds. All are found in living things. All are needed for nutrition. All are found in non-living things.

The answer for this question would be A) All are chemical compounds.

The answer is All are chemical compounds

plz answer fast Which is not a crystalline allotrope of carbon? Select one: a. soot b. diamond c. graphite

Answers

Answer:

graphite

Explanation:

Graphite is opaque, a very good lubricant, a good conductor of electricity, and a thermal insulator. Allotropes of carbon are not limited to diamond and graphite, but also include buckyballs (fullerenes), amorphous carbon, glassy carbon, carbon nanofoam, nanotubes, and others.

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Which of the following is the best definition of a chemical property?
A. The solubility of salt.
B. The ability of gunpowder to explode.
C. The ability of something to undergo a change or reaction.
D. Something that can be observed or measured without changing the identity of the substance.

Answers

Answer:

The B. Is perfect match of a definition of chemical property.

Explanation:

The ability of gunpowder to explode.

The ability of gunpowder to explode is the best definition of a chemical property.

What is chemical property?

The change of one type of matter into another type of matter and inability to change into the previous forms is called a chemical property. Examples of chemical properties include reactivity and heat of combustion.

So we can conclude that the ability of gunpowder to explode is the best definition of a chemical property.

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what is organic chemistry​

Answers

Answer:

Organic chemistry

Explanation:

Organic chemistry is part of the chemistry that studies carbon compounds, which also use organic compounds, which have characteristics.

how much of the excess reactant remains unchanged?
how much N2 is formed? (in mol)
how much H2O is firmed? (in mol)

Answers

Answer:

1. The limiting reactant is H2O2.

2. The amount of excess reactant, N2H4 that remain unchanged is 11.15 moles.

3. 1.65 moles of N2.

4. 6.6 moles of H2O.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

N2H4 + 2H2O2 —> N2 + 4H2O

From the balanced equation above,

1 mole of N2H4 reacted with 2 moles of H2O2 to produce 1 mole of N2 and 4 moles of H2O.

1. Determination of the limiting reactant.

From the balanced equation above,

1 mole of N2H4 reacted with 2 moles of H2O2.

Therefore, 12.8 moles of N2H4 will react with = 12.8 x 2 = 25.6 moles of H2O2.

From the calculations made above, we can see that it will take a higher amount i.e 25.6 moles than what was given i.e 3.3 moles of H2O2 to react completely with 12.8 moles of N2H4.

Therefore, H2O2 is the limiting reactant and N2H4 is the excess reactant.

2. Determination of the excess reactant that remain unchanged.

The excess reactant is N2H4.

First, we shall determine the amount of the excess reactant that reacted. This is illustrated below:

From the balanced equation above,

1 mole of N2H4 reacted with 2 moles of H2O2.

Therefore, Xmol of N2H4 will react with 3.3 moles of H2O2 i.e

Xmol of N2H4 = (1 x 3.3)/2

Xmol of N2H4 = 1.65 moles

Therefore, 1.65 moles of N2H4 reacted.

Now, we shall determine the excess reactant that remain unchanged. This can be obtained as follow:

Amount of N2H4 given = 12.8 moles

Amount of N2H4 that reacted = 1.65 moles.

Amount of N2H4 that remain unchanged =?

Amount of N2H4 that remain unchanged = (Amount of N2H4 given) – (Amount of N2H4 that reacted = 1.65 moles)

Amount of N2H4 that remain unchanged = 12.8 – 1.65

Amount of N2H4 that remain unchanged = 11.15 moles.

3. Determination of the amount of N2 produced.

In this case, the limiting reactant will be used because it will give the maximum yield of N2 as all of it is used up in the reaction.

The limiting reactant is H2O2 and the amount of N2 produced can be obtained as follow:

From the balanced equation above,

2 moles of H2O2 reacted to produce 1 mole of N2.

Therefore, 3.3 moles of H2O2 will react to produce = (3.3 x 1)/2 = 1.65 moles of N2.

Therefore, 1.65 moles of N2 were obtained from the reaction.

4. Determination of the amount of H2O produced.

In this case, the limiting reactant will be used because it will give the maximum yield of H2O as all of it is used up in the reaction.

The limiting reactant is H2O2 and the amount of H2O produced can be obtained as follow:

From the balanced equation above,

2 moles of H2O2 reacted to produce 4 moles of H2O.

Therefore, 3.3 moles of H2O2 will react to produce = (3.3 x 4)/2 = 6.6 moles of H2O.

Therefore, 6.6 moles of H2O were produced from the reaction.

Chemistry deals with all the following except: Select one: a. The composition of matter. b. The properties of matter. c. Our eating habits. d. The conversion of matter between various states.

Answers

Answer:

C. Our eating habits

Hope that helps.

Given that the density of air is 14.4, then the vapour of sulphur IV oxide is A. 16 B. 32 C. 64 D. 128
Thank you.

Answers

Answer:

32

Explanation:

The vapour density of a gas is the number of times a given volume of gas or vapour is as heavy as the same volume of hydrogen at a particular temperature and pressure.

Vapour density = 2 × relative molecular mass of the gas or vapour

Relative molecular mass of SO2 = 32 + 2(16) = 64

Hence;

Vapour density of SO2 = 64/2

Vapour density of SO2 = 32

For the set of ionic compounds, CaSO4, CaCO3, Ca(OH)2, choose the correct characterization of their solubilities in water from the response list. Group of answer choices None of the three salts are soluble. All three salts are soluble. Two of the three salts are soluble. One of the three salts is soluble.

Answers

Answer:

None of the three salts are soluble.

Explanation:

According to the solubility rule, the carbonates and sulphates of group two elements are insoluble in water.

All three substances mentioned possess very low solubility in water and can be said to be slightly soluble in water. If we compare them with other ionic substances that dissolve readily in water, we can rightly say that they are insoluble in water.

Hence all three substances are insoluble in water.

100 cm^3 of oxygen diffuses through a Porous in 3second how long will it take 150 cm^3 of sulphur (iv) oxide diffuse through the same pot? ( oxygen= 16 sulphur = 32)​

Answers

Answer:

3.18 seconds

Explanation:

Given the following :

Volume of oxygen (V1) = 100cm^3

Time taken (t1) = 3 seconds

Volume of Sulphur (iv) oxide (v2) = 150cm^3

From Graham's Law of diffusion:

(r1/r2) = √(m1/m2)

Where r = rate of diffusion

m = molar mass

Note rate (r) = (volume / time)

[(V1/t1) ÷ (v2/t2)] = √(m1/m2)

(v1/t1) * (t2/v2) = √(m1/m2)

m1 = 02 = (16 * 2) = 32

m2 = SO2 = (32 + (16 * 2)) = 64

(100/3) * (t2/150) = √(32/64)

100t2 / 450 = √(32/64)

100t2 / 450 = √32 / 8

100t2 / 450 = √32 / 8

100t2 * 8 = 450 * √32

800t2 = 2545.5844

t2 = 2545.5844 / 800

t2 = 3.1819805

t2 = 3.18 seconds

It will take 3.18s for 150cm^3 of Sulphur (iv) oxide to diffuse through the same pot.

Levi decides to examine the effect of fertilizer on the growth of tomato plants. He chooses four plants for his experiment and applies varying amounts of fertilizer to three of them. He does not apply fertilizer to one plant. Over a 15-day period, the plants receive fertilizer on Days 1, 4, 7, 10, and 13. Levi measures the height of all of his plants with a meter stick on days 3, 6, 9, 12, and 15. He also makes sure to hold all experimental factors constant except for the fertilizer.

Where should the independent and dependent variables of Levi's experiment be placed when graphed?

Select all that apply.

the amount of fertilizer;y-axis

plant height;x-axis

the amount of fertilizer;x-axis

plant height; y-axis

Answers

Answer:

the amount of fertilizer; x-axis

plant height; y-axis

Explanation:

The independent and dependent variables of Levi's experiment placed when graphed are the amount of fertilizer and the y-axis. Option B is correct.

What are independent and dependent variables?

The independent variables are those which are not dependent on other factors for their working or cannot be influenced by any other factor and the dependent variable is just the opposite of this one.

The experiment depends on the height of the plant but the fertilizer is independent of to work of the plant and fertilizer is independent and high and depends on other factors.

Therefore, Option B is correct. independent and dependent variables of Levi's experiment placed when graphed are the amount of fertilizer and the y-axis.

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In the lab, Amanda has two solutions that contain alcohol and is mixing them with each other. She uses twice as much Solution A as Solution B. Solution A is 11% alcohol and Solution B is 18% alcohol. How many milliliters of Solution B does she use, if the resulting mixture has 320 milliliters of pure alcohol?

Answers

Answer:

1,103.47 milliliters

Explanation:

The total percentage of alcohol from solution A and solution B is 29. In a solution that is a mixture of solution A and B, the percentage of alcohol that would be contributed by solution A would be:--

                   11/29 x 100% = 37.93%

--while the percentage of alcohol that would be contributed by solution B would be:

               18/29 x 100 = 62.07%

Hence, if a mixture of A and B has 320 milliliters of alcohol, the amount of alcohol contributed by B would be:

                     320 x 62.07/100 =  198.624 milliliters

Now, remember that solution B is 18% alcohol. This means that the 18% alcohol content of solution B is 198.624 milliliters. Thus, the total volume of solution B would be:

                 198.624 x 100/18 = 1,103.47 milliliters.

Therefore, the total milliliters of solution B Amanda used would be 1,103.47.

A student made the Lewis dot diagram of a compound as shown. Mg is written with two dots shown on its top. Cl is written on the right side of Mg. Cl has seven dots around it. An arrow is shown from one dot on Mg toward the vacant space around Cl. Another arrow is shown from the other dot on Mg toward the vacant space around Cl. On the top, the art title is written as Students Lewis Dot Model. What is the error in the Lewis dot diagram?

Answers

Answer:

The dots were not properly located and arrows are not used in Lewis structures

Explanation:

If we intend to write a Lewis structure for a compound, that lewis structure must consist of only dots. These dots actually show the valence electrons on the outermost shell of the molecule.

We do not involve arrows when writing dot electron structures for compounds. The valence electrons of magnesium ought not to be written together because they are not a lone pair, rather they are two unpaired electrons. The use of an arrow suggests a coordinate covalent bond which is not the case here.

The correct lewis structure for MgCl2 is shown in the image attached to this answer.

Answer: B is the answer took the test

Explanation: both electrons of Mg should be transferred to one O atom...

The specific heat capacity of a pure substance can be found by dividing the heat needed to change the temperature of a sample of the substance by the mass of the sample and by the change in temperature. The specific heat capacity of a certain substance has been measured to be 3.52 J/g °C. Suppose 420.0 g of the substance is heated until the temperature of the sample has changed by 43.8 °C.
Write an equation that will let you calculate the last Q that was needed for this temperature change. Your equation should contain only symbols. Be sure to define each symbol.

Answers

Answer:

The answers to your questions are given below.

Explanation:

Data obtained from the question include:

Mass (M) = 420.0 g

Temperature change (ΔT) = 43.8 °C

Specific heat capacity (C) = 3.52 J/g °C

Heat needed (Q) =...?

The heat needed for the temperature change can be obtained by using the following formula:

Q = MCΔT

Where:

Q is the heat needed measured in joule (J).

M is the mass of substance measured in grams (g)

C is the specific heat capacity of the substance with unit J/g °C.

ΔT is the temperature change measured in degree celsius (°C).

Thus, we can calculate the heat needed to change the temperature as follow:

Q = MCΔT

Q = 420 x 3.52 x 43.8

Q = 64753.92 J

Therefore, the heat needed to cause the temperature change is 64753.92 J

you just got home from a run on a hot Atlanta afternoon. you grab a 1.00-liter bottle of water and drink three-quarters of it in one swig. How many moles of water did you consume?

Answers

Answer:

41.67 mol

Explanation:

1 Litre of water = 1000g

Mole = mass / molar mass

Mass of 1 L of water = 1000 g

Molar mass of water (H2O) :

(H = 1, O = 16)

H2O = (1 * 2) + 16 = (2 + 16) = 18g/mol

Amount of water consumed = (3/4) of 1 litre

= (3/4) * 1000g

= 750g

Therefore mass of water consumed = 750g

Mole = 750g / 18g/mol

Mole of water consumed = 41.6666

= 41.67 mol

Which of the following is an example of matter? Question 5 options: A) The air around you B) Your thoughts C) Radio waves D) Heat from a fire

Answers

Answer:

the air around you

Explanation:matter is physical like the particles in the air or the oxygen in the air. so rocks, earth the sun, anything you can touch is matter. even gasses.

What wavelength measures
A. Depth
B. Distance
C. Energy
D. Speed
E. Time
F. Volume

Answers

Answer:

Distance.

Explanation:

Wavelength (λ) can be defined as the distance between two successive crest or trough of a wave.

From the above definition, wavelength (λ) simply measures distance.

This can further be explained by obtaining the unit of measurement for wavelength (λ).

This can be illustrated below:

Wavelength is related velocity and frequency according to the following equation:

Velocity (v) = wavelength (λ) x frequency (f)

v = λf

λ = v/f

Velocity is measured in ms¯¹

Frequency is measured in hertz, Hz (s¯¹)

λ = v/f

λ = ms¯¹ / s¯¹

λ = m

We can see that wavelength is measured in metre (m) which is the same unit for measuring distance.

Therefore, wavelength measures distance.

3.7500 x 104 + 9.7100 x 105

Answers

Answer: [tex]1409.55[/tex]

Remove the 0's from each decimal number

[tex]3.7500 ---> 3.75\\9.7100 ---> 9.71[/tex]

Multiply

[tex]3.75*104=390\\9.71*105=1019.55[/tex]

Add

[tex]930+1019.55=1409.55[/tex]

According to periodic trend, which of the following most likely has the highest ionization energy?



Ca
Mn
Br
Zn

Answers

Answer:

Br

Explanation:

Ionization energy increases across a period.

All other elements are ahead in the period as compared to Br.

Iron and aluminum are examples of

Answers

Answer:

Iron and aluminum are both examples of metals that are used commonly in everyday life.

Explain why human being is regarded as a complex machine.

Answers

Answer:

Well a human bein is a complex organism with pain and emotion.

There is a very very complex brain that recives and sends sis also faster than the eye can see.

Thats why when you touch a hot surface a lighting fast signal is sent from the hand to the brain and the brain sends a signal back to the hand to tell it what to do and this all happens a faster than a second.

A human is made out of millions, billions, trillions, and quadrillions if cells working together to perform special tasks like eating, walking, and talking.

Answer:

Humans are the only known species that are able to think as complexly as we do. For example, animals are not able to have thoughts about their thoughts. Animals are not able to ponder the existence of our universe, develop calculus, chemical solutions, etc. There are many other intelligent species- like chimpanzees and octopi. However, both of those species are limited in the type of communication, emotion, and complex thinking skills that they possess compared to human beings.

Explanation:

How do I know if CsBr in water is an acid, base or neutral? And how do I show it with a balanced equation

Answers

Answer:

Neutral

Explanation:

We can consider this salt as a neutral one. It can be prepared by a neutralization reaction between the base and the acid.

CsOH  + HBr →  H₂O  + CsBr

As the two reactants are strong, the HBr as a strong acid, and the CsOH as a strong base, the ions are considered as: the weak conjugate acid and the weak conjugate base.

Br⁻  +  H₂O ← HBr + OH⁻

Cs⁺  +  H₂O ←  CsOH  +  H⁺

They can not react to water, that's why the salt is neutral (similar as the NaCl)

pH = 7

Which of the following is an acid-base neutralization reaction? (1 point) Sn + 2HBr yields SnBr2 + H2 HCl + KOH yields KCl + H2O 2AlCl3 + 3Ca(OH)2 yields 2Al(OH)3 + 3CaCl2 2C2H6 +7O2 yields 4CO2 + 6H2O

Answers

Answer:

Explanation:

Sn + 2HBr =  SnBr₂ + H₂

Here HBr is an acid but Sn is not a base . It is a metal . So it is not an acid - base reaction .

HCl + KOH =  KCl + H₂O

HCl is an acid and KOH is a base so it is an acid base reaction.

2AlCl₃ + 3Ca(OH)₂ =  2Al(OH)₃ + 3CaCl₂

It is an acid base reaction . It is so because aluminium hydroxide is a lewis acid and calcium hydroxide is a base . So it is an acid base reaction .

2C₂H₆ +7O₂ =  4CO₂ + 6H₂O

It is not an acid base reaction . It is actually an example of oxidation reaction in which ethane burns in oxygen to give carbon dioxide and water.

name of the compound Br8P4

Answers

Answer:

4-phospho,Bromooctane

A chemical equation is balanced when Group of answer choices the number of atoms of each element is the same in reactants and products. the charge on each atom is the same in reactants and products. the sum of the coefficients of the reactants is equal to the sum of the coefficients of the products. the total number of ions is the same in reactants and products. the total number of molecules is the same in reactants and products.

Answers

Answer:

a

Explanation:

A chemical equation is said to balanced only when the number of atoms of each element is the same in both reactants and products side. Rest all options are absurd. Hence, option a is correct.

Balancing of the reaction has no relation with coefficient, molecules or charge of the elements

Lavoisier developed a new theory of combustion that overturned the phlogiston theory. What measurements were central to his theory, and what key discovery did he make?

Answers

Answer:

Lavoiser proposed a theory in charge of writing the combustion correctly, denying the phlogiston.

Lavoiser said that combustion is carried out in a medium where there is oxygen, giving as a product water and carbon dioxide.

This combustion results in the decrease in the volume of the material that burns.

Furthermore lavoiser discovered the importance of oxygen in animal respiration.

Explanation:

Lavoisier argued that if or if the presence of oxygen must be present, it is an irreversible and spontaneous process.

Naturally occurring magnesium exists as three isotopes. 78.70% is Mg-24 with a mass of 23.98504 amu, 10.13% is Mg-25 with a mass of 24.98584 amu, and 11.17% is Mg-26 with a mass of 25.98259 amu. What is the atomic mass of magnesium?

Answers

Answer:

The correct answer is 24.31 amu.

Explanation:

The formula for finding the average atomic mass = The sum of the percentage abundance of isotopes × the actual mass of isotopes

The average atomic mass = % abundance of Mg-24 × actual mass + % abundance of Mg-25 × its actual mass + % abundance of Mg-26 × its actual mass

Avg. Atomic mass = 0.7870 × 23.98504 + 0.1013 × 24.98584 + 0.1117 × 25.98259

Avg. atomic mass = 18.88 + 2.53 + 2.90 = 24.31 amu

The atomic mass of magnesium is 24.31 amu.

differences between properties of convalent and ionic bond.​

Answers

Ionic bonds will be a metal + a nonmetal, and electrons

are transferred from the metal to the nonmetal.

A covalent bond will be a nonmetal only. Nonmetals will not give up their electrons so electrons are shared.

I have also written this on the whiteboard in the image provided.

HELP ASAP! 50 POINTS! Which type of electromagnetic radiation has a longer wavelength than visible light? (4 points) Gamma rays Infrared radiation Ultraviolet radiation X‒rays

Answers

Answer:Infrared radiation

Explanation:just took the test

The electromagnetic radiation that has a longer wavelength than visible light is  Infrared radiation.

The electromagnetic spectrum is an arrangement of of electromagnetic waves in order of increasing frequency and energy. We must note the longer the wavelength, the farther it appears towards the left in the electromagnetic spectrum.

The visible spectrum spans between 400 nm - 700 nm in the electromagnetic spectrum. The electromagnetic radiation that has a longer wavelength than visible light is Infrared radiation.

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why solids do not undergo diffusion​

Answers

Answer:

Solids do not undergo diffusion because it has a fixed structure (vibrates in a fixed position) and it also cannot be compressed.

Hoped this helped in any way

Have a nice day

Copper turns a green-brown when it is exposed to oxygen in air. What chemical property of oxygen causes this effect? A. its reactivity B. its volume C. its mass D. its flammability

Answers

Answer:

A. its reactivity

Explanation:

It's reactivity because copper was exposed to air and if it is reactivity it must be exposed to air

Answer:

A.  reactivity

Explanation:

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