What are the metals that can displace Iron(||) from a solution​

Answers

Answer 1
Zinc can displace copper from coppersulphate solution and iron from ferrous sulphate solution. So zinc is more reactive than iron and copper.

Related Questions

please help !!!! may give brainliest

Answers

Answer:

Would be increasing the concentration of SO3 as you chose in the question.

Explanation:

Increasing the concentration of the reactant will most likely shift it to the right by adding more products.

A drink that contains 4 1/2 ounces of a proof liquor… approximately how many drinks does this beverage contain?

Answers

Complete Question

A guest orders a drink that contains 4 1/2 ounces of 80-proof liquor. Approximately how many drinks does this beverage contain?

Answer:

[tex]No\ of\ drinks =3[/tex]

Explanation:

From the question we are told that:

Ordered drink 4 1/2 ounces of 80-proof liquor

Generally

80-proof liquor contains 40\% alcohol

Giving the drink a standard 1.5 ounce of distilled spirit

Therefore

[tex]No\ of\ drinks =\frac{4.5}{1.5}[/tex]

[tex]No\ of\ drinks =3[/tex]

Mother is frying fish in the kitchen. The aroma of fried fish can be smelled by Sofea who is sitting in the living room. Explain how the aroma of the fried fish reach the living room.​

Answers

Answer:

through process of diffusion

Explanation:

air particles and odours move freely in all directions and eventually spreads out thus reaching the sitting room

The process of diffusion causes the particles of the aroma of the fried fish to reach the living room.

What is diffusion?

Diffusion can be described as the net movement of anything such as molcules, or energy from a region of higher concentration to a region of lower concentration. Diffusion is generally driven by a gradient in Gibbs free energy or chemical potential.

The concept of diffusion can be used in fields such as physics, chemistry, biology, sociology, economics, and finance. The central idea of diffusion is common that a substance undergoing diffusion spreads out from a point or location at which there is a higher concentration of that substance.

A gradient can be defined as the change in the value of an amount such as concentration, pressure, or temperature with a change in another variable, distance.

A change in concentration over a distance is known as a concentration gradient, and a change in pressure over a distance is known as a pressure gradient.

The Latin word diffusion means "to spread out." Therefore, the aroma of the fried fish diffuses and reaches to lining room.

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Which statement describes the law of conservation of energy?
All systems will exchange matter and energy with their surroundings.
All systems can exchange energy, but not matter, with their surroundings.
Energy cannot be created nor destroyed, but it changes from one form to another.
Energy is destroyed in most chemical reactions when new products are formed.

Answers

Answer:

All systems will exchange matter and energy with their surroundings.

Explanation:

Answer:c

Explanation:

Are you ready kids?

Aye, aye Captain.

I can't hear you!

AYE, AYE CAPTAIN!

Oooooooooh.

Who lives in a pineapple under the sea?

Spongebob squarepants!

Absorbent and yellow and porous is he?

Spongebob squarepants!

If nautical nonsense be something you wish!

Spongebob squarepants!

Then drop on the deck and flop like a fish!

Spongebob squarepants!

Ready?

Spongebob squarepants.

Spongebob squarepants.

Spongebob squarepants.

Spongebob squarepants.

Spongebob-squarepants.

What is the balanced form of the chemical equation shown below?
C2H5OH() + O2(9)
H2O() + CO2(9)
A. C2H5OH() + 302(9) — 3H20() + 2002(9)
B. 2C2H5OH() + O2(g) – 5H20(1) + CO2(g)
C. C2H20(1) + 202(9)
-
H20(1) + 2C02(9)
D. C2H5OH() + O2(g) → H20(1) + CO2(g)

Answers

Answer:

C2H5OH +3O2 = 2Co2+ 3H2O

Explanation:

The balanced chemical equation is C2H5OH + 302 → 3H20 + 2CO2.

What is balanced chemical equation?

A balanced chemical equation is one in which the count of atoms in all of the molecules is equivalent on both sides of the equation. The balancing of a particular chemical equation is governed by the Law of Conservation of Mass.

Balancing chemical equation is shown as below:

It can be seen that the count of carbon atom in left side 2 on the other hand the count of carbon in right side only one. By multiply with 2 in right side of the reaction , equation will be balanced.

Therefore, the balanced chemical equation is C2H5OH + 302 → 3H20 + 2CO2.

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which of the following has more atoms 3.14 g Cu or 1.10 g of H? Explain

Answers

63.5 gm cu contain 6.02*10^23 molec
1 gm cu contain 6.02*10^23/63.5
3.14 gm contain 6.02*10^23*3.14/63.5

similary in case of H2
1.10*6.02*10^23/2

then you can compare the result

Temperature is measured in what unit?


J

J/goC

J/g

oC

Answers

Temperature is measured in Kelvin..

what are the main tybes of mixture​

Answers

Answer:

salt and oil

water and salt

water and sugar

Explanation:

A piece of unknown metal with mass 68.6 g is heated to an initial temperature of 100 °C and dropped into 8.4 g of water (with an initial temperature of 20 °C) in a calorimeter. The final temperature of the system is 52.1°C. The specific heat of water is 4.184 J/g*⁰C. What is the specific heat of the metal?
0.171
0.343
1.717
3.433

Answers

Answer:

1.717

Explanation:

6.25 g of HCl(g), a strong acid, is dissolved in water to make a 280-ml solution.
Calculate the pH of the resulting solution.

Answers

pH= -log[0,611]= 0,21

Unknown # 41
Flame Test Color: Lilac
Addition of HCl(aq): NR (No reaction)
Addition of HCl(aq) and BaCl2(aq): NR (No reaction)
Addition of HNO3(aq) and AgNO3(aq): Yellow precipitate

What is the unknown ionic compound molecular formula?

Answers

Answer: Potassium Iodide, KI

Explanation:

Flame test colors:

Li+ = Crimson Red
Na+ = Bright Orange-Yellow
K+ = Lilac

Addition of nitric acid and silver nitrate (HNO3 and AgNO3),

Cl- = White precipitate
Br- = Creamy precipitate
I- = Yellow Precipitate

Hope this helps, brainliest would be appreciated :)

What does the reducing agent do in a redox reaction? (A.P.E.X)

Answers

Answer:

The reducing agent donates electron to the oxidizing agent and gets oxidized itself

Explanation:

In an oxidation-reduction reaction, also known as REDOX reaction, one of the reactants is called OXIDIZING AGENT while the other is called REDUCING AGENT. The reducing agent is called so because it reduces another substance in the reaction.

It reduces another atom/ion by donating electrons to that atom, hence, getting oxidized itself in the process. For example, in the following reaction:

H2 + F2 → 2HF

Fluorine is getting oxidized from -2 to 0 by donating electrons to H and reducing it from +2 to 0.

Answer:

Reduces another atom

Explanation:

:)

At the beginning of the reaction: N2 + 3H2 -> 2NH there is 1 mol of N. and 3 moles of H, and at the end of it is present a mixture formed by 2.5 moles in total, what is the performance for the reaction?
5.- Al comenzar la reacción: N2+ 3H2 -> 2NH existe 1 mol de N. y 3 moles de H, y al finalizarla está presente una mezcla formada por 2,5 moles en total, ¿cuál es el rendimiento para la reacción? ​

Answers

Answer:

75%

Explanation:

call realistic moles of N2 in the reaction is a

moles of H2 :3a

moles of NH3: 2a

the moles of residual N2 after reaction: 1-a

the moles of residual H2 after react: 3- 3a

the moles of mixture: 2a+1-a+3-3a=2.5

-> a=0.75

H=0.75/1=75%

which elements total number of electrons is equal to the number of core electrons in barium(Ba)?

Answers

Answer:

Xenon

Explanation:

The core electrons of an element are the electrons that do not take part in the chemical reactions of the element

The electronic configuration of barium Ba is presented as follows;

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s²

2+2+6+2+6+2+10+6+2+10+6

The valence electrons of boron are the 6s² electrons

The core electrons of boron are the; 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶

The electronic configuration of xenon, Xe, which is the previous noble element before barium, is presented as follows;

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ which is the same as the core electrons of barium

Therefore, the total number of electrons in xenon is equal to the number of core electrons in barium

Exploring the Electromagnetic Spectrum
Assemble the electromagnetic spectrum by dragging each piece to the correct place on the wavelength scale.
Visible
10-2
10-7
10
10-9
10
-5
Wavelength (cm)
(PLEASE HELP!!)

Answers

Answer:

See explanation

Explanation:

When dealing with the Electromagnetic Spectrum, one should remember the acronym ROYGBIV. This will apply to visible spectrum but the non-visible spectra can de logically deduced from the sequence. That is ...

   R-Red > O-Orange > Y-Yellow > G-Green > B-Blue > I-Indigo > V-Violet

In relation to the three wave properties; wavelength (λ), frequency (ν) & energy (ΔE) ...

Wavelengths => Long λ                                                                       Short λ

Frequency     => Low  ν                                                                       High ν

Energy           => Low  ΔE                                                                    High ΔE  

Note that all 'L's' are on the 'Left'

On Left => Long wavelengths, Low frequency & Low energy; the 'opposites' are on 'the other end of the list'.

Therefore for other wavelengths outside the visible spectrum set up as follows, start with visible spectrum in the middle and insert the invisible spectra of interest.

                          Long λ <= Visible (R.0.Y.G.B.I.V.) => Short λ

 λ (cm):    10¹            10⁻²          10⁻³  (10⁻⁵- 10⁻⁶)    10⁻⁷       10⁻⁹    (10⁻¹¹ - 10⁻¹³)            

             [radio > microwave > IR   >   visible   >  UV  >  X-Rays > Gamma]

Hope this helps :-)

Prepare a project report on various samples of  a) a mixture  b) a compound c) an element (metal or nonmetal)​

Answers

Answer:

Any substance that contains only one kind of an atom is known as an element. Because atoms cannot be created or destroyed in a chemical reaction, elements such as phosphorus (P4) or sulfur (S8) cannot be broken down into simpler substances by these reactions.

Example: Water decomposes into a mixture of hydrogen and oxygen when an electric current is passed through the liquid. Hydrogen and oxygen, on the other hand, cannot be decomposed into simpler substances. They are therefore the elementary, or simplest, chemical substances - elements.

Each element is represented by a unique symbol. The notation for each element can be found on the periodic table of elements.

The elements can be divided into three categories that have characteristic properties: metals, nonmetals, and semimetals. Most elements are metals, which are found on the left and toward the bottom of the periodic table. A handful of nonmetals are clustered in the upper right corner of the periodic table. The semimetals can be found along the dividing line between the metals and the nonmetals.

Explanation:

what is the name of this organic molecule

Answers

Answer:

C2H4 Ethylene

Explanation:

Hope it helps! :)

Currently, nuclear energy provides only a small fraction (~10%) of energy used in the United States. In some other places, like France, it is close to 80%. Do you think nuclear energy will ever be a more widely used source of energy in the United States? Why or why not?
PLEASE HELP ASAP PLEASEEE

Answers

Nuclear energy is currently within almost every country becoming a growing source of energy use since it can provide a lot of energy within a short amount of time with little resources used to create it. It is quite possible that within the next few generations that nuclear energy could become a much larger source of energy within the United States. Although, many countries after the leak have resorted to other means of energy sources learning from the mistakes of Japan.

Hope this helps :)

Consider these chemical equations.

N2(g) + 3H2(g) → 2NH3(g)
C(s) + 2H2(g) → CH4(g)
4H2(g) + 2C(s) + N2(g) → 2HCN(g) + 3H2(g)

Which equation(s) do you need to reverse in order to calculate the overall equation for the formation of HCN and H2 from NH3 and CH4? Check all that apply.

Answers

Answer:

A. N2(g) + 3H2(g) Right arrow. 2NH3(g)

B.C(s) + 2H2(g) Right arrow. CH4(g)

Explanation:

Answer:

a and b

Explanation:

second question

miultiplu second eq by 2

If Bromine has a charge of 1-, how many electrons does it have?

Answers

Answer:

36 electrons

Explanation:

But Bromine anion with a charge of -1 has one extra electron so 35 +1 = 36 electrons.

process of heat treatment and it's meaning

Answers

Answer:

Heat treatment is the process of heating metal without letting it reach its molten, or melting, stage, and then cooling the metal in a controlled way to select desired mechanical properties. Heat treatment is used to either make metal stronger or more malleable, more resistant to abrasion or more ductile.

Write the relation of M3 with its multiples

Answers

Explanation:

HI friends good morning

write the electronic configuration of the first 20 element​

Answers

Argon -Potassium-carbon

What is the concentration of a solution formed by diluting 25.0 ml of a 3.8M glucose solution to 250ml

Answers

Explanation : số mol glucose 3.8M là :

n = Cm . V = 3.8 . 25 =95

=> Cm khi pha loãng = [tex]\frac{n}{V}[/tex] = [tex]\frac{95}{250}[/tex] = 0.38M

According to molar concentration, the  concentration of a solution formed by diluting 25.0 ml of a 3.8 M glucose solution to 250 ml is 0.38 M.

What is molar concentration?

Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.

The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.

In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.In case of 2 solutions given it is calculated as M₁V₁=M₂V₂,on substitution, M₂=3.8×25/250=0.38 M.

Thus,  the  concentration of a solution formed by diluting 25.0 ml of a 3.8 M glucose solution to 250 ml is 0.38 M.

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Barney was a very inventive scientist and tried to perform the same experiments as those by famous scientists from long ago. One of the most challenging experiments was to roll out a very thin film of gold and put X-ray film in a circle around it. The difficult part was to get ahold of some radioactivity that he could shoot at the thin film for gold. One day, he ran into The Great Gazoo and told him his goal. The Great Gazoo said he had the perfect substance for him that was radioactive and should work. The element was named after him and had the symbol Gz. Barney quickly went back to his lab to run the experiment. What Barney noticed is that all the radioactive particles went through the gold film and none of them ricocheted back, but all went straight through the gold. Being puzzled, he quickly went to the lab to analyze this unknown radioactive substance. He found that the atomic number was 119, the mass number was 305. After a few more tests, Barney realized what was wrong with Gz. Your task is to figure out what was wrong with Gz by answering the following questions:
Whose experiment was Barney trying to imitate?
Where would Gz be located on Earth’s periodic table, column and row?
Give as many details on Gz that you could predict based on its location on the periodic table: type of chemical (metal, metalloid, or nonmetal), reactivity, ionization energy, electronegativity, and size of element.
What would the elements electron configuration end in?
Why did all the radioactive particles go straight through the gold film?
What would the daughter product be for Gz? Give all details for the atomic number, mass number, number of protons, neutrons and electrons.
If Gz had worked correctly, like Barney intended, what type of decay should Gz have had?
If Gz had worked correctly, what would the daughter product be? Give all details for the atomic number, mass number, number of protons, neutrons and electrons.
If Gz had worked correctly, what element would it become?

Answers

Answer:

a) Barney wants to repeat the rutheford experiment

b) the element will be in row 8 column 1 being an alkali metal

c) it should be a radioactive element, with a lot of mass

Explanation:

n this exercise they indicate that the particle Gz has atomic number 119 and atomic mass 305 amu, when reviewing the element periodicity table with this atomic number it has not yet been discovered, it should be in row 8 column 1 therefore it should be an alkali metal .

Therefore, it has only one electron in its last orbit.

a) Barney wants to repeat the rutheford experiment

b) the element will be in row 8 column 1 being an alkali metal

c) it should be a radioactive element, with a lot of mass

Describe all the types of chemical reactions with example.​

Answers

Redox is a type of chemical reaction in which the oxidation states of atoms are changed. Redox reactions are characterized by the actual or formal transfer of electrons between chemical species, most often with one species undergoing oxidation while another species undergoes reduction. The chemical species from which the electron is removed is said to have been oxidized, while the chemical species to which the electron is added is said to have been reduced.
Transcription is the process of copying a segment of DNA into RNA. The segments of DNA transcribed into RNA molecules that can encode proteins are said to produce messenger RNA. Other segments of DNA are copied into RNA molecules called non-coding RNAS. Averaged over multiple cell types in a given tissue, the quantity of MRNA is more than 10 times the quantity of ncRNA.
Chelation is a type of bonding of ions and molecules to metal ions. It involves the formation or presence of two or more separate coordinate bonds between a polydentate ligand and a single central atom. These ligands are called chelants, chelators, chelating agents, or sequestering agents. They are usually organic compounds, but this is not a necessity, as in the case of zinc and its use as a maintenance therapy to prevent the absorption of copper in people
Catalysis is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst. Catalysts are not consumed in the reaction and remain unchanged after it. Often only very small amounts of catalyst are required. Catalysts generally react with one or more reactants to form intermediates that subsequently give the final reaction product, in the process regenerating the catalyst.

What is reducing agent in the following reaction-
CuO + H2 ------>Cu + H2O?
A)CuO
B)Cu
C)H2O
D)H2

Answers

Answer:

H2

Explanation:

It helps to remove the oxygen

Answer:

It is H2. hope it helps if not sorry

Imagine a substance that is a red, shiny solid at room temperature, with a melting point of 115 °C. It is brittle and a poor conductor of heat. State whether this substance is a metal or a non-metal. Give a reason for your answer.

Answers

Explanation:

Metals and non-metals can be identified either by their position in the periodic table or by their properties.

he metal elements are found on the left hand side of the periodic table, and the non-metal elements are found on the right. You can imagine a zig-zag line, starting at B-Al-Si, separating metals from non-metals.

Vitamin C is a water-soluble vitamin, so your body doesn't store it. You have to get the required amount from your diet (citrus fruits are a great source!), or you could take a daily vitamin C supplement pill. Vitamin C is ascorbic acid, so to determine how much vitamin C (acid) has been placed in each pill, you could do an acid-base titration. One vitamin C pill was dissolved in water and titrated to an endpoint by 16.00 mL of a 0.447 M solution of NaOH. How many grams of ascorbic acid were there in the pill? (MW of ascorbic acid is 176.1 /mol). Explain and show your work.​

Answers

Answer:

1.26 g

Explanation:

Number of moles of ascorbic acid = concentration × volume

Concentration = 0.447 M

Volume = 16.00 mL

Number of moles = 0.447 × 16/1000

Number of moles = 7.152 × 10^-3 moles

Number of moles= mass/molar mass

Molar mass of ascorbic acid = 176.1 g/mol

Mass = 7.152 × 10^-3 moles × 176.1 g/mol

Mass = 1.26 g

why can't sodium salt be prepared by double decomposition

Answers

Normally, reacting a metal and an aqueous acid will produce a salt and hydrogen gas, as in the case of iron:

Fe(s)+2HCl(aq)⟶FeCl2(aq)+H2(g)


However, you should not use the same method to produce, for example, sodium chloride:

2Na(s)+2HCl(aq)⟶2NaCl(aq)+H2(g)

Sodium salt might not be prepared by double decomposition because the method is used in preparing insoluble salts.

What is Double decomposition method?

Double decomposition method serves as the method that is used in preparing compounds which entails reaction between two soluble compounds and after reaction soluble and insoluble products are produced.

Therefore, since most of the sodium salt are soluble salt , Double decomposition cannot be used to prepare them.

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Other Questions
Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. In the first step, nitrogen and hydrogen react to form ammonia: N2 (g) + 3H2 (g) 2NH3 (g) =H92.kJ In the second step, ammonia and oxygen react to form nitric acid and water: NH3 (g) + 2O2 (g) HNO3 (g) + H2O (g) =H330.kJ Required:Calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. Cons on the main shown on the graph over which interval is the value of the exponential function greater thanthe value of the quale Action?2513113O 038Se what is 3/16 of 200 written as a percentage? If the force on a spring is 2 N and it stretched 0.5 m, what is the spring constant?O A. 2 N/mOB. 0.2 N/mOC. 0.4 N/mOD. 4 N/m Is -46.2 a irrational number Need help with this, don't understand it. we weren't taught how to do this factor as the product of two binomials x2+6x-7 WHAT IS the side that is against the debate topic Write the following as an expression: How much water do I need to add to l liters of pure alcohol to obtain a solution of 45% alcohol? The answer is an EXPRESSION, not an actual answer!! WILL MARK BRAINLIST!!! For every A you earn on your report card, your grandma gives you a twenty dollar bill. This is an example of The nurse who admitted Long asked what.......to him If not enough calories are burned, the excess energy is used to make fat ? True or False i) [(2)7] /(87)=8 can be written as =(222)=(2)we have, =[(2)7) / [(2)7)=(227)/[(237) ....((Am)n=(amn)=(27)/(27)=(27)/(27)=(2-a7-)(aman=am-n)=27=277=97-------It's answer is correct and wrong find the missing side THIS IS TIMED I NEED THE ANSWER NOW Fiona invested $1000 at 7% compounded continuously. At the same time, Maria invested $1100 at 7% compounded daily. How long will it take for their investments to be equal in value? Assume there are 365 days in every year. The graph is that of a fourth-degree polynomial function. Which of the following correctly shows three factors of the function? Image included, please help! difference Between phenol and dettol Find the length of AC again Define a total system inventory. Multiple choice question. It is the period of time when an unknown amount of inventory is on hand. It is the sum of the inventory held across all of the locations in a company. It specifies the amount of risk of incurring a stockout that a firm is willing to incur. It is a fixed time period that passes between inventory reviews.