Write a balanced equation for the combination reaction described, using the smallest possible integer coefficients. When nitrogen combines with hydrogen , ammonia is formed.When nitrogen combines with hydrogen , ammonia is formed.
(2) Write a balanced equation for the combination reaction described, using the smallest possible integer coefficients. When diphosphorus pentoxide combines with water , phosphoric acid is formed.
(3) Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When hydrogen peroxide (H2O2) decomposes, water and oxygen are formed.
(4) Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When potassium perchlorate decomposes, potassium chloride and oxygen are formed.
Answers
Balanced equation for the combination reaction of nitrogen and hydrogen to form ammonia: \(N_{2}\)+ 3\(H_{2}\) → 2\(NH_{3}\). Balanced equation for the combination reaction of diphosphorus pentoxide and water to form phosphoric acid: P\(P_{2}O_{5}\) + 3\(H_{2}O\) → 2\(H_{3}PO_{4}\)
Balanced equation for the decomposition reaction of hydrogen peroxide to form water and oxygen: 2\(H_{2}O_{2}\) → 2H_{2}O + \(O_{2}\).
Balanced equation for the decomposition reaction of potassium perchlorate to form potassium chloride and oxygen: 2KClO4 → 2KCl + 3O_{2}.
In the combination reaction between nitrogen (\(N_{2}\)) and hydrogen (\(H_{2}\)) to form ammonia (NH3), the balanced equation can be obtained by ensuring that the number of atoms of each element is the same on both sides. The balanced equation is: N_{2} + 3H_{2} → 2NH_{3}. This equation shows that two molecules of nitrogen react with six molecules of hydrogen to produce four molecules of ammonia.
When diphosphorus pentoxide (P_{2}O_{5}) combines with water (H_{2}O), it forms phosphoric acid (H_{3}PO_{4} ). The balanced equation can be determined by ensuring that the number of atoms of each element is balanced. The balanced equation is: P_{2}O_{5} + 3H_{2}O → 2H_{3}PO_{4} This equation indicates that one molecule of diphosphorus pentoxide reacts with three molecules of water to yield two molecules of phosphoric acid.
The decomposition reaction of hydrogen peroxide (H_{2}O_{2}) results in the formation of water (H_{2}O) and oxygen (O_{2}). To balance the equation, we need to make sure the number of atoms on both sides is equal. The balanced equation is: 2H_{2}O_{2} → 2H_{2}O + O_{2}. This equation shows that two molecules of hydrogen peroxide decompose to produce two molecules of water and one molecule of oxygen.
Potassium perchlorate (\(KCl_{4}\)) decomposes to form potassium chloride (KCl) and oxygen O_{2}). The balanced equation can be obtained by balancing the number of atoms of each element. The balanced equation is: 2\(KClO_{4}\) → 2KCl + 3O_{2} This equation indicates that two molecules of potassium perchlorate decompose to yield two molecules of potassium chloride and three molecules of oxygen.
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Related Questions
write down the group numbers for carbon,oxygen,nitrogen and sulphur
Answers
Answer:
Carbon - 14
Oxygen - 16
Nitrogen - 15
Sulphur - 16
Explanation:
The question above is related to the "Periodic Table of Elements" which shows the proper arrangement of elements in a table. Every element falls on a group/family within the table. Each group has its own number, and the table has a total of 18 groups (from left to right). They are classified according to similarities in their characteristics. For example, group 1 is composed of alkali metals while group 2 is composed of alkali earth metals.
1. Define the unit 'mole'
Answers
Answer:
Below
Explanation:
The mole, symbol mol, is the SI base unit of amount of substance. The quantity amount of substance is a measure of how many elementary entities of a given substance are in an object or sample
What is the strongest type of intermolecular force between solute and solvent in each solution?
CH3Cl (g) in CH3OCH3 (g)
Answers
The strongest type of intermolecular force between solute and solvent in the solution of CH\(_{3}\)Cl (g) in CH\(_{3}\)OCH\(_{3}\) (g) is dipole-dipole interaction.
In CH\(_{3}\)Cl, the molecule has a polar covalent bond between carbon and chlorine atoms. Chlorine is more electronegative than carbon, resulting in a partial negative charge on chlorine and a partial positive charge on carbon. In CH\(_{3}\)OCH\(_{3}\) , the molecule is also polar due to the oxygen atom's higher electronegativity compared to carbon and hydrogen. This creates a dipole moment in both molecules.
In the solution, the positive end of the CH\(_{3}\)Cl molecule interacts with the negative end of the CH\(_{3}\)OCH\(_{3}\) molecule, forming dipole-dipole interactions. These intermolecular forces are stronger than London dispersion forces, which are present in all molecules but are typically weaker. Therefore, the strongest intermolecular force in this solution is dipole-dipole interaction.
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When 14.51 grams of methane (CH4) are burned (see equation below), how many moles of oxygen gas (O2) will be used? Please round your answer to two digits after the decimal point and don't forget units and substance!
CH4 + 2 O2 --> CO2 + 2 H2O
Answers
Answer:
When 14.51 grams of methane are burned, the number of moles of oxygen gas used can be determined by using the balanced chemical equation:
CH4 + 2 O2 -> CO2 + 2 H2O
Since the coefficients in the equation represent the mole ratios of the reactants and products, we can use the number of moles of methane as the basis for calculating the number of moles of oxygen.
First, we'll calculate the number of moles of methane:
moles of CH4 = 14.51 g / 16.04 g/mol = 0.905 mol
Next, we'll use the mole ratio of CH4 to O2 to determine the number of moles of O2 required for the reaction:
moles of O2 = 2 * moles of CH4 = 2 * 0.905 mol = 1.81 mol
So, the amount of oxygen used is 1.81 moles.
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can someone dm me if u know about chemistry plsss
Answers
The main purpose of filtration is to separate particles and fluid; therefore, the words to complete the phrase are particles and fluid.
What is filtration?This is a method used to separate particles in a suspension (substance that contains fluid and large particles).
What is the purpose of filtrating?The main idea of filtrating a substance is to separate the particles from the fluid.
What is an example of filtration?When tea is made, a filter is usually used to separate the leaves (solid particles) from the fluid.
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NaHCO3 + HCI → NaCl + H₂O + CO₂
NaHCO3: 82.99 g/mol
You previously determined that a
particular sealed container holds
0.261 mol CO2 gas. What mass of
NaHCO3 is needed to generate the CO2?
Hint: Use stoichiometry
Answers
Answer: 14.34
Explanation:
what type of reaction is performed with the elephant toothpaste demonstration?
Answers
The reaction performed with the elephant toothpaste demonstration is known as a decomposition reaction.
Decomposition Reaction:The process of breaking down a chemical compound into smaller molecules, atoms, or ions is known as a decomposition reaction. It is also known as analysis or disintegration. A reaction in which a single substance is broken down into two or more simpler substances is known as a decomposition reaction. The elephant toothpaste demonstration is a simple chemical reaction in which hydrogen peroxide breaks down into oxygen gas and water in a matter of seconds.
The formula for hydrogen peroxide is H₂O₂. It is a pale blue liquid that contains hydrogen, oxygen, and water. When you add yeast, soap, and food coloring, the reaction is more exciting. The yeast acts as a catalyst, breaking down hydrogen peroxide into water and oxygen gas. The oxygen gas created causes the soap to foam up, creating the "elephant toothpaste" effect. The chemical reaction that takes place during the elephant toothpaste demonstration can be written as follows:
2H₂O₂(liquid) → 2H₂O (liquid) + O₂ (gas)
This reaction is an example of a decomposition reaction.
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Which solvent below should be deposited into halogenated waste? a. Water b. Dichloromethane c. Ethyl acetate d. Ethanol
Answers
The correct answer is (b), the solvent that should be deposited into halogenated waste is dichloromethane.
Which solvent should be disposed of in halogenated waste?Dichloromethane, also known as methylene chloride, is the appropriate solvent disposal into halogenated waste. This is because dichloromethane itself is a halogenated compound, containing chlorine atoms.
When disposing of waste solvents, it is crucial to segregate different types of solvents based on their chemical nature and potential hazards. Halogenated waste refers to waste materials that contain halogen atoms, such as chlorine, bromine, or iodine. Proper disposal of halogenated solvents ensures the safe handling and management of hazardous substances.
Dichloromethane is commonly used as a solvent in various laboratory and industrial processes, but its disposal requires special consideration due to its potential environmental impact. By depositing it into halogenated waste, it can undergo appropriate treatment and disposal methods designed to handle halogenated compounds, minimizing the risk of environmental contamination.
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wat would happen if there was no light outside???????
Answers
Answer: Without the Sun's rays, all photosynthesis on Earth would stop. All plants would die and, eventually, all animals that rely on plants for food — including humans — would die, too..
HURRY for a BRAINLIST
Answers
Answer:
B
Explanation:
Answer:
answers
B
Explanation:
Explicaciónexplicacaca
Why do fireworks have different colors? Your answer must include the use of the terms, energy, absorption,
emission, electrons, excited state, ground state, light, metallic elements.
Answers
Complete each nuclear reaction equation.
Superscript 14 subscript 7 upper N plus superscript 4 subscript 2 upper H e right arrow superscript question mark subscript 8 upper O plus superscript 1 subscript question upper H.
Nitrogen transmutes to form an isotope of oxygen. The superscript for oxygen is?
The subscript for hydrogen is?
Superscript 59 subscript question mark upper C o plus superscript 1 subscript 0 n right arrow superscript 60 subscript 27 upper C o.
Cobalt-59 accepts a neutron to form a new isotope. The subscript for cobalt is?
Answers
Nitrogen transmutes to form an isotope of oxygen. The superscript for oxygen is 17
The subscript for hydrogen is 1
Cobalt-59 accepts a neutron to form a new isotope. The subscript for cobalt is 27
Answer:
Oxygen = 17
Hydrogen = 1
Cobalt = 27
Explanation:
Help me out please an thank you
Answers
CH4 + 02 ----> CO2 + 2H2O
Balanced or unbalanced
Answers
Answer:
Hey mate here is your answer. Hope it helps you.
Explanation:
This equation is not balanced. The balanced equation is CH4+ 2O2———-> CO2+ 2 H2O.
Explicitly state which volumes are likely a mixture of the two components. What percentage of the mixture volume is likely to be etoac and buoac? explain your reasoning.
Answers
The volumes 0.4, 0.3, 0.3, and 0.2 most frequently contain both components. There is a good chance that BuOAc will make up 42% of the combination volume and EtOAc will make up 58%.
According to science, what exactly is a mixture?In the field of chemistry, a mixture is a substance made up of two or more unrelated chemical components. A mixture is a physical combination of two or more substances that preserves their own identities and is combined as solutions, suspensions, or colloids.
some instances of Mixture
cloudy with smoke (Smog)Water and mud (Mud)Stone, water, and sand (Cement)sodium and water (Sea water)To know more about mixture visit:
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When comparing ethanol, CH3CH2OH, and sodium ethoxide, NaOCH2CH3 ________________ is the better nucleophile because it ____________.
Answers
When comparing ethanol, CH3CH2OH, and sodium ethoxide, NaOCH2CH3, Sodium ethoxide, NaOCH2CH3, is the better nucleophile because it has a negatively charged oxygen atom which can easily donate its electron pair to another atom or molecule.
Sodium ethoxide, NaOCH2CH3, is the better nucleophile because it has a negatively charged oxygen atom which can easily donate its electron pair to another atom or molecule.
Ethanol, CH3CH2OH, on the other hand, has a polar covalent bond between the carbon and oxygen atoms, but does not have a negative charge on the oxygen atom. Therefore, it is not as strong of a nucleophile as sodium ethoxide.
In general, nucleophilicity is affected by several factors such as charge, electronegativity, steric hindrance, and solvation. In this case, the negative charge on the oxygen atom of sodium ethoxide makes it a strong nucleophile.
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give the systematic name for the compound ba no3 2
Answers
The systematic name for the compound Ba(NO3)2 is barium nitrate. Barium nitrate is an inorganic salt with the chemical formula Ba (NO3)2. It is a colorless, odorless, and crystalline solid that is highly soluble in water. The compound is formed by combining one atom of barium and two ions of nitrate.
The name “barium” comes from the Greek word “barys,” which means “heavy,” and is a reference to its high density. The term “nitrate” refers to the polyatomic ion NO3-, which is composed of one nitrogen atom and three oxygen atoms. Barium nitrate is commonly used in pyrotechnics, as it is a powerful oxidizing agent that produces a bright green flame when ignited.
The systematic naming of inorganic compounds is based on the rules set out by the International Union of Pure and Applied Chemistry (IUPAC). The name of an ionic compound is composed of the cation name followed by the anion name. In the case of barium nitrate, “barium” is the name of the cation, while “nitrate” is the name of the anion.
Therefore, the systematic name for the compound Ba(NO3)2 is barium nitrate.
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A sample of neon gas has a volume of 7.2 mL at a pressure of 1.5atm. What is the pressure exerted by the gas if the volume is increased to 28.8 mL at constant tempature
Answers
The pressure exerted by the neon gas, when the volume is increased from 7.2 mL to 28.8 mL at constant temperature, can be calculated using Boyle's Law. The pressure exerted by the neon gas, when the volume is increased to 28.8 mL at constant temperature, is 0.375 atm.
Boyle's Law states that at constant temperature, the product of the pressure and volume of a gas remains constant. Mathematically, it can be expressed as P₁V₁ = P₂V₂. This law allows us to calculate the change in pressure when the volume changes.
In this case, the initial volume (V₁) is given as 7.2 mL, and the initial pressure (P₁) is 1.5 atm. The final volume (V₂) is 28.8 mL. By substituting these values into Boyle's Law equation, we can solve for the final pressure (P₂).
When we perform the calculations, we find that the pressure exerted by the neon gas, when the volume is increased to 28.8 mL, is 0.375 atm. As the volume increases, the pressure decreases due to the inverse relationship between pressure and volume.
Using Boyle's Law: P₁V₁ = P₂V₂
Given:
Initial volume (V₁) = 7.2 mL
Initial pressure (P₁) = 1.5 atm
Final volume (V₂) = 28.8 mL
To find the final pressure (P₂):
P₂ = (P₁ * V₁) / V₂
= (1.5 atm * 7.2 mL) / 28.8 mL
= 0.375 atm
Therefore, the pressure exerted by the neon gas, when the volume is increased to 28.8 mL at constant temperature, is 0.375 atm.
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PLEASE HELP OFFERING EXTRA POINT IF YOU HELP!
In the simplest compound of magnesium and oxygen, the mass of Mg is ~1.5x as great as that of O. The mass of Fe in the simplest oxide of iron was ~3.5x as great as that of oxygen. Use these ratios to determine the molar masses of Mg and Fe. Compare the values you obtained with the accepted molar masses of these elements. Can you account for any differences?
Answers
To determine the molar masses of Mg and Fe, we can use the ratios given in the problem.
Let the mass of oxygen be x. Then, the mass of magnesium in the simplest compound of magnesium and oxygen is approximately 1.5x. This means that the total mass of the compound is approximately 2.5x (since there is only one oxygen atom in the compound). The molar mass of Mg is then:
Molar mass of Mg = (2.5x) / n
where n is the number of moles of Mg in the compound. Since there is only one Mg atom in the compound, n = 1. Therefore:
Molar mass of Mg = 2.5x
Similarly, let the mass of oxygen be y. Then, the mass of iron in the simplest oxide of iron is approximately 3.5y. This means that the total mass of the oxide is approximately 4.5y (since there is only one oxygen atom in the oxide). The molar mass of Fe is then:
Molar mass of Fe = (4.5y) / m
where m is the number of moles of Fe in the oxide. Since there is only one Fe atom in the oxide, m = 1. Therefore:
Molar mass of Fe = 4.5y
To compare these values with the accepted molar masses of Mg and Fe, we can look up their values in the periodic table. The accepted molar mass of Mg is 24.31 g/mol, and the accepted molar mass of Fe is 55.85 g/mol.
Using the ratios given in the problem, we have:
Molar mass of Mg = 2.5x
Molar mass of Fe = 4.5y
We don't have any information about the values of x and y, so we can't directly compare these expressions with the accepted molar masses of Mg and Fe. However, we can make some observations based on the ratios given in the problem.
The ratio of the molar mass of Mg to the accepted molar mass of Mg is:
(Molar mass of Mg) / (Accepted molar mass of Mg) = (2.5x) / 24.31
The ratio of the molar mass of Fe to the accepted molar mass of Fe is:
(Molar mass of Fe) / (Accepted molar mass of Fe) = (4.5y) / 55.85
We can simplify these expressions by finding the values of x and y in terms of the molar masses of Mg and Fe:
x = (24.31 / 2.5) * (Molar mass of Mg)
y = (55.85 / 4.5) * (Molar mass of Fe)
Substituting these values into the expressions above, we get:
(Molar mass of Mg) / (Accepted molar mass of Mg) = 0.1027 * (Molar mass of Mg)
(Molar mass of Fe) / (Accepted molar mass of Fe) = 0.2505 * (Molar mass of Fe)
From these expressions, we can see that the ratio of the molar mass of Mg to the accepted molar mass of Mg is proportional to the molar mass of Mg, and the same is true for Fe. This means that the values we obtained for the molar masses of Mg and Fe are simply scaled versions of the accepted molar masses, with scaling factors of approximately 0.1027 and 0.2505, respectively.
The reason for these scaling factors is that the ratios given in the problem are only approximate.
for kilograms of carbon monoxide (co) is contained in a rigid tank with a volume of 1 m3. the tank is fitted with a paddle wheel that transfers energy to the co at a constant rate of 14w for monoxide increases by 10 kj/kg. if no overall changes in kinetic and potential energy occur, determine
Answers
In a rigid tank with a volume of 1 m^3, carbon monoxide (CO) is contained. The tank is equipped with a paddle wheel that transfers energy to the CO at a constant rate of 14 W. The question asks us to determine the increase in CO's specific enthalpy if there are no changes in kinetic and potential energy.
First, we need to calculate the total power supplied to the CO. Since power is the rate of energy transfer, and it is constant at 14 W, the total energy transferred over time can be calculated using the formula: energy = power × time.
Next, we can calculate the change in specific enthalpy (Δh) using the formula:
Δh = energy / mass.
Finally, we can substitute the given value of 10 kJ/kg for Δh, and solve for the mass of CO using the formula: mass = energy / Δh.
The total energy transferred to the CO can be calculated as energy
= 14 W × time.
To find the change in specific enthalpy (Δh), we can use the formula
Δh = energy / mass.
Given that the change in specific enthalpy is 10 kJ/kg, we can solve for the mass of CO using the formula mass = energy / Δh.
By substituting the given value of 10 kJ/kg for Δh, we can find the mass of CO.
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Which statements about the polypeptide Gly-Tyr-Gly-Phe-Met-Ser are CORRECT? Select all that apply. Glycine is the N-terminal residue. Glycine is the C-terminal residue. Serine is the C-terminal residue. Serine is the N-terminal residue. Methionine is the N-terminal residue.
Answers
Glycine is the N-terminal residue and Serine is the C-terminal residue.
From the given polypeptide Gly-Tyr-Gly-Phe-Met-Ser, the correct statements are:
Glycine is the N-terminal residue: This is correct because glycine is the first amino acid in the sequence, making it the N-terminal residue.
Serine is the C-terminal residue: This is correct because serine is the last amino acid in the sequence, making it the C-terminal residue.
Methionine is the N-terminal residue: This statement is incorrect. Although methionine is present in the sequence,
it is not the first amino acid. Glycine is the first amino acid, so it is the N-terminal residue.
Therefore, the correct statements are:
Glycine is the N-terminal residue.
Serine is the C-terminal residue.
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Can you pls answer this question cuz i don't know what is the answer on this..
Ill give you 25 points for the answer
Then heart and rate
Then ill follow
NONSENSE =REPORT
CORRECT =BRAINLIEST
In the pic only
Answers
Answer:
you have to answer it in your own words and with information you know not from someone else
sorry kiddo
Explanation:
An arson investigator is called to a suspicious fire that destroyed a house. The arson
investigator collects a sample of debris, which was found at the base of the structure,
containing some accelerant used to start the fire. Once the investigator goes back to the lab
and tests the sample, a purple flame is emitted from the sample. What metal was part of the
accelerant used to burn the house?
Answers
Answer:
potassium
Explanation:
What would be the charge on an ion whose neutral atom has an electron configuration of 2.8.7?
A. +1
B. 0
C. +7
D. -1
Answers
Answer:
A
Explanation:
A 2.0 l container of oxygen had a pressure of 3.2 atm. what volume would be necessary to decrease the pressure to 1.0 atm? use the formula: p1v1 = p2v2 0.625 l 0.64 l 6.4 l 64 l
Answers
The volume that would be necessary to decrease the pressure to 1.0 atm is mathematically given as
v2=6.4l
What volume would be necessary to decrease the pressure to 1.0 atm?Question Parameter(s):
A 2.0 l container of oxygen had a pressure of 3.2 atm
Generally, the equation for the is mathematically given as
P1v1=p2v2
Therefore
v2=piv1/p2
v2=2*3.2/1
v2=6.4l
In conclusion, the volume is
v2=6.4l
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Answer:
CExplanation:
4)
What is the mass of the gas that exactly fills a 200.0 ml container?
The density of the gas is 5 g/ml.
Answers
Answer:
1000 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volume
From the question we have
mass = 5 × 200
We have the final answer as
1000 gHope this helps you
What is being determined in this lab? please provide a brief (one sentence) answer. For example, in the general chemistry 1 measurements in science lab where different types of glassware are used to measure known volumes of water which are then weighed, an appropriate answer to this question would be: "this lab will determine the density of water. ".
Answers
The measurements taken in the experiment shows the purpose of the experiment.
What is a lab experiment?A laboratory experiment is an empirical determination of facts. Experiments are the primary sources of scientific experiment.
To determine the purpose of experiment, we have to pay close attention to what the experiment is about such as the example shown in the question. The measurements taken in the experiment shows the purpose of the experiment.
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What pressure is exerted by 0.375 mol of hydrogen gas in a 4.33 L container at 55.0C?
Answers
Answer:
47
Explanation:
chemicals like bacterial toxins that poison cells are described as being
Answers
Chemicals like bacterial toxins that poison cells are commonly described as being toxic or poisonous. These substances have the ability to disrupt normal cellular functions and processes, leading to harmful effects on the cells and organisms they come into contact with.
Toxins can have various mechanisms of action. Some toxins interfere with essential biochemical pathways, disrupt cellular membranes, or inhibit vital enzymes, while others may directly damage DNA or disrupt cellular signaling. Regardless of their specific mode of action, toxins are designed to have a detrimental impact on cellular function and can cause a wide range of adverse effects, from mild symptoms to severe illness or even death.
The toxicity of a substance is often determined by its concentration, exposure duration, and the specific vulnerability of the target cells or organisms. Toxins produced by bacteria can be classified into exotoxins, which are secreted by bacteria and released into the surrounding environment, or endotoxins, which are part of the bacterial cell wall and are released upon cell death or lysis.
Chemicals like bacterial toxins are referred to as toxic or poisonous due to their ability to disrupt cellular function and cause harm to cells and organisms.
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When sulfur-35 (Z=16) decays to chlorine-35 (Z=17) a particle
emitted is_____
a) an alpha particle
b) A beta particle
c) A gamma ray
d) an x-ray
e) None of the above
Answers
When sulfur-35 (Z=16) decays to chlorine-35 (Z=17) a particle emitted is a beta particle. When an atomic nucleus transforms and emits a beta particle as a result, this type of radioactive decay is known as beta decay. Hence option B is correct.
Depending on the specific decay mechanism, a beta particle can either be an electron (-) or a positron (+).
A beta particle is released when chlorine-35 decays to sulfur-35. A neutron inside the sulfur-35 atom's nucleus undergoes beta minus decay (-), which also produces an electron and an electron antineutrino. The beta particle in this instance is the electron, which has a negative charge.
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The correct answer is B
When sulfur-35 (Z=16) decays to chlorine-35 (Z=17), a particle emitted is a beta particle.
Sulfur-35 decays to Chlorine-35 by a beta emission process. In beta emission, a neutron is converted into a proton and an electron. The electron, which is the beta particle, is ejected from the nucleus, and the proton remains behind. This changes the atomic number of the nucleus from 16 to 17 but leaves the atomic mass number unchanged at 35. Since a beta particle has an electric charge, it can be deflected by an electric or magnetic field. It is, therefore, easier to detect than a neutron or a gamma ray. A beta particle's speed is close to that of light and can penetrate into matter. However, it is easily stopped by a thin layer of metal or plastic. A beta particle's symbol is β-.
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