Classify the following transformation as oxidation, reduction, or neither. A. Oxidation B. Reduction C. Neither
Answers
In order to classify a transformation as oxidation , reduction or neither , we need to determine the changes in oxidation numbers for the atoms involved.
A) Oxidation refers to the process where an atom or ion loses electrons , which results in an increase in its oxidation number.
B) On the other hand , reduction refers to the process where an atom or ion gains electrons , which results in a decrease in its oxidation number.
C) Neither refers to a transformation where there is no change in the oxidation number of the atoms involved. In the given question , we do not have any information about the transformation or the atoms involved. Therefore, it is not possible to determine whether the transformation is oxidation, reduction, or neither without more information.
An electron being taken out of a molecule during a chemical reaction is known as oxidation. An electron transfer occurs during oxidation. In other words, electrons are lost during oxidation. Reduction of any one of a range of chemical processes where an increase in the number of electrons connected to an individual or group of atoms occurs. Another material, which is oxidised as a result, supplies the electrons that are taken up by the reduced molecule. A chemical process known as an oxidation-reduction (redox) reaction includes the exchange of electrons between two substances. Any chemical process in which the oxidation number of a molecule, atom, or ion changes by acquiring or losing an electron is referred to as an oxidation-reduction reaction.
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Related Questions
Whatt happens to water when its heated from 0 °C to 4 °C?
Answers
Answer:
molecules gain energ and start to move quickly
Water has highest density at 4∘C. This changes its properties from other simple fluids. When water is heated from 0∘C to 4∘C, the volume of liquid decreases. Thus for this transition, P ΔV is negative.
Santee Cooper is stocking lakes Marion and Moultrie with 109,000 sterile grass carp. The grass carp, which eat hydrilla (Invasive species), are the most effective and least Intrusive means to control the weed. What type of control are they using?
A Invasive
B biological
C.chemical
D physical
Answers
Answer:
biological
Explanation:
i took the test and got it right
Describe an approach for identifying an unknown mineral with as few steps as
possible.
Answers
These charts typically guide you through a series of questions based on the physical and chemical properties of the mineral, such as color, hardness, cleavage, and reaction to acid.
By answering each question, you can narrow down the possibilities and eventually identify the mineral. Another helpful tool is a handheld mineral identification kit, which includes common minerals and their properties for comparison to the unknown mineral. Observe the physical properties of the mineral, such as color, luster, hardness, cleavage, and fracture, using a magnifying glass or a microscope.
Test the mineral's hardness using a mineral hardness scale, such as Mohs scale, which ranks minerals based on their ability to scratch one another.Test the mineral's streak, which is the color of the powdered mineral, by rubbing the mineral against an unglazed porcelain plate.
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An electron domain consists of ________. a) a nonbonding pair of electrons b) a single bond c) a multiple bond
Answers
An electron domain consists of ; All of the above options i.e. a ) nonbonding pair of electrons b) a single bond c) a multiple bond.
An Electron domain is the number of bonded locations ( lone pair or bonded ) found around an atom. and the bond location is independent of the type of bonding existing between atoms in a molecule.
Electron domain are also known as electron groups. the types of electron domain are ; nonbonding pair of electrons and bonded atom.
Hence we can conclude that An electron domain consists of ; nonbonding pair of electrons, a single bond and a multiple bond.
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For each problem, define whether you are calculating for a scalar or vector quantity. Show your work to receive full credit.
A ball travels 300 m in 2,000 secs going east. What is the velocity of the ball?
Answers
Answer:
I dont get what you need help with
Explanation:
Answer:
i dont get what your supposed to do either
How many moles of BF3 are needed to produce 48.35 moles of NaF
Answers
1 mole of BF3 is needed to produce 48.35 moles of NaF.
Explain the boron trifluoride gas?The inorganic chemical with the formula BF3 is boron trifluoride. In damp air, this noxious, colourless gas produces white vapours. It serves as a practical Lewis acid and a flexible boron compound building block.A colourless gas known as boron trifluoride has been characterised as having a "quite nice acidic" smell as well as a powerful and stifling smell (Budavari et al., 1996). (Torkelson et al. 1961).The delocalization increases the stability of the BF3 molecule by reducing the electron deficit on boron. Back bonding does not take place in BH3 because H does not have a lone pair of electrons. In other words, boron's electron shortage persists and BH3 is not present.Given data :
The molecule of boron trifluoride is 1.5×1016 molecules
moles of NaF = 0.023816230233136
48 NaF = 1.15x10^16 molecules
So, 1 mole of BF3 is needed to produce 48.35 moles of NaF.
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True or false? Metal ions and hydrogen ions both have the same type of charge.
Answers
Answer: Its true, mental ions and hydrogen ion both have the same type of charge.
Answer:
TRUE, Metal ions, and hydrogen ions both have the same type of charge. Explanation: Metal atoms lose one or more electrons at their maximum energy level and improve positively charged ions. A hydrogen ion is created when a hydrogen atom loses electrons and then becomes positively charged (charge +1).
Question 3 When the population size decreases over time, the total number of births the total number of deaths. O less than O equals O greater than
Answers
When a car driver puts their foot on the brake pedal, the brake fluid is pushed down a narrow tube connected to the brake. Since brake fluid is hard to squash, the brakes are put on immediately. What is the scientific term for squash?
Answers
When a car driver puts their foot on the brake pedal, the brake fluid is pushed down a narrow tube connected to the brake. Since brake fluid is hard to squash, the brakes are put on immediately the scientific term for squash is compressibility.
What is compressibility?The scientific term for squash is "compressibility". In the case of brake fluid, it has very low compressibility, which means that it cannot be easily compressed or squashed, resulting in immediate and effective brake application when pressure is applied to the brake pedal.
The term "compressibility" describes how much a particular volume of matter shrinks under pressure. A solid or a liquid under pressure essentially maintains its volume. The solid or liquid's constituent atoms, ions, or molecules are in close proximity to one another.
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How many grams of H 2 O can be produced with 6.3 moles of O 2 ?
Answers
Answer:
3.15×18
56.7
................
Individual solute particles are broken apart from the solid by these particles. * a Solution b Insoluble c Solvent d Compounds
Answers
Answer:
Individual solute particles are broken apart from the solid by the;
c. Solvent
Explanation:
A solution is the homogeneous mixture that is made up of two or more substances formed by dissolving a substance which can be a solid, liquid or gas in another substance known as the solvent which normally the larger part of the fraction of the solution than the solute and can also be a solid, liquid or a gas
In a solution the solvent particles serves to brake of and disperser parts of a solid solute to form a more or less homogeneous mixture
Therefore, the solute particles are broken by the solvent particles in a solution
Then explain why they are used to form the words "geosphere," "hydrosphere," and "biosphere."
Answers
Answer: hi
The words "geosphere," "hydrosphere," and "biosphere" all use the root "sphere" to refer to different aspects of the Earth. The "geosphere" refers to the solid earth, including the land and rock formations. The "hydrosphere" refers to the Earth's water, including oceans, rivers, and lakes. The "biosphere" refers to the Earth's living organisms and their interactions with each other and the environment. The use of the word "sphere" in these terms refers to the holistic, global nature of these aspects of the Earth and their interactions with one another.
Explanation:
Calcula el volumen en litros que tendran 2 kg de poliestireno expandidos (densidad = 0,92g/cm3)
Answers
2 kg of expanded polyethylene has a volume of 2.17 liters.
Given that,
Density = 0.9g/cm³
Mass = 2kg = 2000g
Density is the substance's mass per unit of volume. Although the Roman letter D may also be used, the sign most frequently used for density is ρ (the lowercase Greek letter rho). A substance's density changes as a function of pressure and temperature. With solids and liquids, this variance is often slight, but for gases, it is much more pronounced.
Density = Mass ÷ Volume
0.92 = 2000 ÷ Volume
Volume = 2000 ÷ 0.92
Volume = 2.17 liters.
Hence, 2 kg of expanded polyethylene has a volume of 2.17 liters.
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Your question is in Spanish. The English translation of the question is:
Calculate the volume of 2 kg of expanded polyethylene in liters. ( Density = 0.92g/cm³ )
Delta H for each reaction ty!
Answers
Answer:
Reaction 1 = -462.5 kJ/mol
Reaction 2 = -572 kJ/mol
Magnesium combustion = -601.83 kJ/mol
How many moles of atoms are in 8.00 g of 13c? express your answer numerically in moles.
Answers
There are 0.615 moles of carbon-13 atoms in 8.00 g of carbon-13.
A mole is a unit of measurement used to express the amount of a substance. It is defined as the amount of a substance that contains as many elementary entities (such as atoms, molecules, or ions) as there are atoms in exactly 12 grams of carbon-12.
The mole is often represented by the symbol "mol" and is used to quantify the number of particles or entities in a sample. One mole of any substance contains Avogadro's number of particles, which is approximately 6.022 × 10²³.
Given,
The molar mass of carbon-13 = 13.00335 g/mol.
Number of moles = Mass / Molar mass
Number of moles = 8.00 g / 13.00335 g/mol = 0.615 moles
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Carbon, C has 6 valence electrons. H has 1 valence electrons so in total how much does carbons and hydrogen have together?
Answers
Explanation:
but carbon has four Valence Electrons
More strong base is added until the equivalence point is reached. What is the pH of this solution at the equivalence point if the total volume is 54.0 mL
Answers
If a strong base is added to an acidic solution until the equivalence point is reached, it means that all the acid has been neutralized, and the solution contains only the conjugate base of the acid and the excess strong base.
At the equivalence point, the moles of strong base added are equal to the moles of acid originally present in the solution.
Since we know the total volume of the solution and the moles of acid originally present, we can calculate the initial concentration of the acid and use it to determine the concentration of the conjugate base at the equivalence point.
Assuming that the initial acid was a monoprotic acid, we can write the balanced chemical equation for the reaction between the acid and the strong base as follows:
HA + OH- → A- + H2O
At the equivalence point, the moles of strong base added (nOH-) are equal to the moles of acid originally present (nHA):
nOH- = nHA
pH = -log(\(10^-pKa\) x (Vtotal - VHA) / (CHA x VHA))
= pKa + log(CHA x VHA / (Vtotal - VHA))
This equation assumes that the acid is a monoprotic acid and that its conjugate base does not affect the pH significantly. If the acid is polyprotic or the conjugate base affects the pH,
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PLZ HELP GIVING BRAINLEST TO WHOEVER HELPS ME AND GETS THE RIGHT ANSWER
What kind of energy is light considered to be?
1. Radiant
2. Sound
3. Potential
4. Chemical
Answers
Answer:
radiant
Explanation:
Radiant Energy
This should do it.
According to the following reaction, how many moles of ammonia
will be formed upon the complete reaction of 31.7 grams of nitrogen
gas with excess hydrogen gas?
N2 (g) + 3H2 (g) -> 2NH3 (g)
____mol
Answers
According to the balanced equation, 31.7 grams of nitrogen gas (N₂) reacting with excess hydrogen gas (H₂) will produce a 2.264 moles of ammonia gas (NH₃).
To determine the moles of ammonia formed, we need to convert the given mass of nitrogen gas to moles using its molar mass and the stoichiometric ratio of the balanced equation.
The molar mass of nitrogen gas (N₂) is 28.02 g/mol. To calculate the number of moles of nitrogen gas, we divide the given mass by its molar mass:
31.7 g / 28.02 g/mol = 1.132 mol
According to the stoichiometry of the balanced equation, the ratio between nitrogen gas and ammonia gas is 1:2. This means that for every 1 mole of nitrogen gas, 2 moles of ammonia gas are produced.
Therefore, using the stoichiometric ratio, we can determine the moles of ammonia formed:
1.132 mol N₂ * (2 mol NH₃ / 1 mol N₂) = 2.264 mol NH₃
Thus, upon the complete reaction of 31.7 grams of nitrogen gas with excess hydrogen gas, 2.264 moles of ammonia gas will be formed.
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.The vapor pressure of water at 80 degrees Celsius is 0.468 atm. Calculate the vapor pressure in kPa. Round your answer to 3 significant digits.
Answers
To convert the vapor pressure of water at 80 degrees Celsius from atm to kPa, you can use the following conversion factor: 1 atm = 101.325 kPa. So, the calculation would be:
0.468 atm × 101.325 kPa/atm ≈ 47.4 kPa
The vapor pressure of water at 80 degrees Celsius is approximately 47.4 kPa when rounded to 3 significant digits.
To convert atm to kPa, we can use the conversion factor of 1 atm = 101.325 kPa.
First, let's convert the given vapor pressure of water at 80 degrees Celsius from atm to kPa:
0.468 atm x (101.325 kPa/1 atm) = 47.39754 kPa
Rounding to 3 significant digits:
47.4 kPa
Therefore, the vapor pressure of water at 80 degrees Celsius is 47.4 kPa, rounded to 3 significant digits.
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Sample Response: Forces are either positive or negative vectors, depending on the direction in which the force is acting. The net force is the sum of all of the forces acting on an object. If the children pull on the toy with the same force in opposite directions, the forces will be perfectly balanced and cancel out, leaving a net force of zero.
What did you include in your response? Check all that apply.
Forces are vectors.
Forces can be positive or negative.
The forces exerted by the children are in balance.
The net force is the sum of all of the forces that canceled out to zero.
Answers
The net force is the sum of all of the forces that cancelled out to zero. Hence, option D is correct.
What is force?The pushes or pulls on an object with mass causes it to change its velocity.
The net force is the vector sum of all forces acting on an object. Force is a vector quantity.
Two forces of equal magnitude when acting on an object in opposite directions will cancel out each other.
As a result net force is equal to 0. The word net here shows the total force acting on the object.
Hence, option D is correct.
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What is force?
The pushes or pulls on an object with mass causes it to change its velocity.The net force is the vector sum of all forces acting on an object. Force is a vector quantity. Two forces of equal magnitude when acting on an object in opposite directions will cancel out each other. As a result net force is equal to 0. The word net here shows the total force acting on the object.Hence, option D is correct.
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In the apple activity you completed which of the following is an example of a constant
Answers
Answer: the type of apple because it is an example of a constant
Explanation:
8. Convert 161 millimeters into meters.
Answers
There are 1000 millimeters in a meter. To convert 161 millimeters to meters, we need to divide by 1000:
161 millimeters ÷ 1000 = 0.161 meters
Therefore, 161 millimeters is equal to 0.161 meters.
adding sugar to your tea physical or chemical change
Answers
Answer:
physical
Explanation:
no chemical reaction occurs
Answer:
the answer is physical change :)
if 24.8 grams of an aqueos solution of chromium(lll) sulfate, cr2(so)3 contains 7.14 grams of chromium(lll)sulfate what is the percentage by mass of chromium(ii) sulfate in the solution
Answers
The percentage by mass of Chromium(II) Sulfate in the solution is 40.32%.
The mass of Chromium(II) in the Solution is = Mass of Chromium(II) in CrSO4
CrSO4 = Cr2(SO4)3 x (Cr2+/Cr3+)
CrSO4 = 30 g/mol x (1/3)
CrSO4 = 10 g/mol
Therefore, the mass of Chromium(II) in the solution = 10 g/mol
Percentage by mass of Chromium(II) Sulfate in the solution can be calculated as follows:
Percentage by mass = (Mass of Chromium(II) / Total Mass of Solution) x 100
Percentage by mass = (10 / 24.8) x 100
Percentage by mass = 40.32%
Therefore, the percentage by mass of Chromium(II) Sulfate in the solution is 40.32%.
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what is one example of a electromagnetic wave
Answers
Answer:
Examples of EM waves are radio waves, microwaves, infrared waves, X-rays, gamma rays, etc.
Answer:
Electromagnetic waves can be split into a range of frequencies. This is known as the electromagnetic spectrum. Examples of EM waves are radio waves, microwaves, infrared waves, X-rays, gamma rays, etc.
Explanation:
what is a covalent and ionic bond
Answers
Answer:
Covalent bonding involves the sharing of electrons between two or more atoms. Ionic bonds form when two or more ions come together and are held together by charge differences.
Answer:
A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
Ionic bond refers to a type of chemical bond which generates two oppositely charged ions. This bonding refers to the complete transfer of valence electrons between atoms
( Refer the attached image for their respective examples )
Question 14 (1 point)
A magnesium atom has 11 neutrons. What is the mass of this magnesium atom?
Answers
Answer:
Mass=23
Explanation:
Mass= Protons + neutrons
Atomic number is the number of protons in magnesium.
Atomic number =12...So there are 12 protons
12p + 11n = 23
75As3- what is it’s protons, neutrons, and electrons?
Answers
Answer:
Atomic Particles
Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).
if the hydrogen ion concentration [H+] in a solution is 1.87 x 10^-11M what is the [OH-]
Answers
By using pH formula, the concentration of hydroxyl ion [OH-] will be 5.3 ×\(10^{-4}\) M.
What is pH?
The pH scale is a measurement of hydrogen ion concentration that is used to determine the acidity as well as alkalinity of a solution.
Calculation of [OH-] by using formula of pH.
Given data:
[H+] = 1.87 x \(10^{-11} M\)
[OH-] = ?
Calculation of [OH-] is shown below:
It can be calculated by using the formula:
pH = -log [H+]
Put the value of concentration of hydrogen ion [H+] in above formula.
pH = -log (1.87 x \(10^{-11} M\))
pH = -log (1.87) -log ( \(10^{-11} M\))
pH = -0.27 +11
pH = 10.73
Now, use the formula, pH +pOH = 14
pOH = 14 - pH
pOH = 14 - 10.73
pOH = 3.27
Now, use formula pOH = -log [OH-]
[OH-] = \(10^{-pOH}\)
[OH-] = \(10^{-3.27}\)
[OH-] = 5.3 ×\(10^{-4}\) M
Therefore, the concentration of hydroxyl ion [OH-] will be 5.3 ×\(10^{-4}\) M.
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