Chlorine and oxygen form many different compounds, including CIO, and Cl2O3. How do the names of these compounds differentiate one chlorine oxide from another?
Answer:
We can mix two compounds and create a third that bears little resemblance to its parents. For instance, by mixing two parts of hydrogen gas with one of oxygen - liquid water is formed. We should not be misled by the fact that chlorine and chlorine dioxide share a word in common. The chemistries of the two compounds are completely different.
Chlorine and chlorine dioxide are both oxidizing agents (electron receivers). However, chlorine has the capacity to take in two electrons, whereas chlorine dioxide can absorb five. This means that mole for mole, ClO2 is 2.6 times more effective than chlorine.
If equal, if not greater importance is the fact that chlorine dioxide will not react with many organic compounds, and as a result, ClO2 does not produce environmentally dangerous chlorinated organics. For example; aromatic compounds have carbon atoms arranged in rings and they may have other atoms, such as chlorine, attached to these rings, to form a chlorinated aromatic - a highly toxic compound that persists in the environment long after it is produced.
Chlorine dioxide's behaviour as an oxidizing agent is quite dissimilar. Like ozone, the predominant oxidation reaction mechanism for chlorine dioxide proceeds through a process known as free radical electrophilic (i.e. electron-attracting) abstraction rather than by oxidative substitution or addition (as in chlorinating agents such as chlorine or hypochlorite). This means that chlorinated organic compounds such as THMs and HAAs are not produced as a result of disinfection using chlorine dioxide
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The way that the names of these compounds show that the Chlorine oxides are different is by making reference to the number of individual molecules in the compound.
How are the chlorine oxides differentiated?The number of chlorine and oxygen molecules in each compound are used to name the compounds which ensures that they are differentiated.
ClO₂ is called "Chlorine Dioxide" which shows that there are two Oxygen atoms.
Cl₂O₃ is called "Dichlorine Trioxide" which shows that there are two Chlorine molecules and 3 Oxygen molecules.
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20. At STP, an element that is a solid and a
good conductor of heat and electricity
could have an electron configuration of
(1) 2-7
(2) 2-8-8
(3) 2-8-5
(4) 2-8-18-2
20
Answer:
4
Explanation:
Zinc
8)
What mass of hydrogen is needed to react with 32 g of copper oxide?
CuO + H2 → Cu + H2O
Answer:
1.22gram of hydrogen is needed to react
Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 0.40 g mass of hydrogen is needed to react with 32 g of copper oxide.
What is mole?The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number.
Mathematically,
CuO + H[tex]_2[/tex]→ Cu + H[tex]_2[/tex]O
mole of copper oxide= 32 /79.54
=0.40 mole
The mole ratio between copper oxide and hydrogen is 1:1
mole of hydrogen= 0.40 mole
mass of hydrogen = 0.40 mole×1g/mol
= 0.40 g
Therefore, 0.40 g mass of hydrogen is needed to react with 32 g of copper oxide.
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The equation for a base solution is B + H2O = BH+ + OH- The strength of the base in a solution is increased. How
will the number of particles change? (1 point)
O The number of B molecules will increase, and the number of OH ions will decrease.
The number of BH molecules will increase, and the number of water molecules will decrease.
The number of OH-ions will increase, and the number of BH molecules will decrease.
O The number of B molecules will increase, and the number of water molecules will decrease.
Answer:The number of BH+ Molecules will increase , and the number of water molecules will decrease
Explanation:
The number of OH- ions will increase, and the number of BH molecules will decrease.
Option (3) is correct.
In the given base solution equation, B + H₂O = BH⁺ + OH⁻, when the strength of the base is increased, more B molecules will react with water to form BH⁺ and OH⁻ ions. This happens because a stronger base donates more OH⁻ ions into the solution, increasing its concentration.
As the base becomes stronger, more B molecules will participate in the reaction, forming fewer BH⁺ molecules since they are being converted to BH⁺ ions. Simultaneously, the increased concentration of OH⁻ ions means that the number of OH⁻ ions in the solution will increase.
Overall, the change in the number of particles can be summarized as follows:
The number of BH molecules will decrease.
The number of OH⁻ ions will increase.
This change reflects the increase in the concentration of OH⁻ ions, which is a characteristic of a stronger base solution.
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How many molecules are in 21.5G of water
Answer:
There are 6.022×1023 molecules in a mole. There are 18.01528 grams of water per mole of water. in 1g water
Explanation:
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HELP!!!!
four different liquid compounds in flasks at 20 C are represented above. the table below identifies the compounds. flask c shows the most particles in the vapor phase. which of the following is not shown in the model but best helps to explain why flask c must contain pentane
Answer: C , The strength of the intermolecular forces between the particles in the liquids.
Explanation:
Since we have 4 boiling flasks with liquids that are at a temp of 20⁰C and out of them all, flask C the has most amount of vapour Particles inside of it, because of that we can conclude that it has the weakest Intermolecular force out of the rest of the boiling flasks since at a temp of 20⁰C it has the most amount of gas particles compared with the other flasks, and not to forget the data in the graph shows us the formula and boiling point of flask C that contains pentane and from that data given we can tell that since the boiling point of pentane Is low then it has to have a weak intermolecular forces, causing it to have more vapour Particles than other flasks, proving the answer to be C since showing the strength of the attraction will explain everything we need to know about flask C and why does it have more vapour Particles than the other flasks.
Note:
(A) is not the answer since all the liquid particles in each flask are in random constant motion at a temp of 20⁰C so it does not justify why flask C has more vapour Particles.
(B) is not the answer since showing the relative speeds of each vapour Particle will not justify why flask C has the most amount of gas particles with the respect of its temperature.
(D) is not the correct answer since we already have data given in the graph about the boiling point of pentane and it's formula so showing the particulate representation is useless.
The best explanation is the strength of intermolecular force between the particles in a liquid. Thus option C is correct.
What is intermolecular force?Intermolecular force is defined as the attractive and repulsive force that rises between the molecules of a compound. They are electrostatic in nature.
There are basically five type of intermolecular force.
Dipole-Dipole interactionIon Dipole interactionIon induced dipole interactionDipole induced dipole interactionDispersion forceThe first three forces are collectively known as Vander wall force.
Thus, the best explanation is the strength of intermolecular force between the particles in a liquid. Thus option C is correct.
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How many moles of ammonium ions are in 125 mL of 1.40 M NH4NO3 solution? ________ moles (give answer with correct sig figs in units of moles without scientific notation)
The number of mole of ammonium ion, NH₄⁺ in the solution is 0.175 mole
We'll begin by calculating the number of mole of NH₄NO₃ in the solution. This can be obtained as follow:
Volume = 125 mL = 125 / 1000 = 0.125 L
Molarity = 1.40 M
Mole of NH₄NO₃ =?Mole = Molarity x Volume
Mole of NH₄NO₃ = 1.40 × 0.125
Mole of NH₄NO₃ = 0.175 moleFinally, we shall determine the number of mole of ammonium ion, NH₄⁺ in the solution. This can be obtained as follow:
NH₄NO₃(aq) —> NH₄⁺(aq) + NO₃¯(aq)
From the balanced equation above,
1 mole of NH₄NO₃ contains 1 mole of NH₄⁺
Therefore,
0.175 mole of NH₄NO₃ will also contain 0.175 mole of NH₄⁺
Thus, the number of mole of ammonium ion, NH₄⁺ in the solution is 0.175 mole
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most elements are (1) metals (2)nonmetals (3)gases (4)made in labs
What is the frequency of radiation whose wavelength is 2.40×10
Answer:
24
Explanation:
2.40*10=24.0
Please count compound list each element and the amount of each and then figure out the total of the atoms
NEED ANSWER ASAP
Answer:
Look at the formula.
Explanation:
Carbon: 10
Hydrogen: 14
Nitrogen: 2
10 + 14 + 2 = 26
Organic, its nicotine
what viral components might serve as good targets for the design of antiviral chemicals?
What are the consequences of increased nitrogen and phosphorus into water systems? (Site 3).
Answer:
But when there is too much phosphorus and nitrogen into water systems, it can speed up the process of eutrophication ( increase in the concentration of minerals and nutrients, which enhances the growth of algae, which causes algal blooms). Due to this, dissolved oxygen level is declined as not enough light penetrates in the water body.
Explanation:
A 23.6 g sample of an unknown gas occupies a volume of 12.0 L at standard temperature and pressure. What is the molecular mass (molar mass) of this gas?
The molecular mass (molar mass) of this gas is equal to 44.08 g/mol.
Given the following data:
Mass = 23.6 gramsVolume = 12.0 LitersStandard temperature = 273 KStandard pressure = 1 atm.To calculate the molecular mass (molar mass) of this gas, we would use the ideal gas law equation;
[tex]PV=\frac{MRT}{MM}[/tex]
Where;
P is the pressure.V is the volume.M is the mass of substance.MM is the molar mass of a substance.R is the ideal gas constant.T is the temperature.Making MM the subject of formula, we have:
[tex]MM = \frac{MRT}{PV} \\\\MM = \frac{23.6\times 0.0821 \times 273}{1 \times 12}\\\\MM = \frac{528.95}{12}[/tex]
Molar mass, MM = 44.08 g/mol.
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What are the four groups of carbon compounds found in living things?
Which of the following terms is a chemical substance made of a single type of atom that cannot be broken down into a simpler substance?
A- nucleus
B- molecule
C- Compound
D- Element
how many electrons can there be in the 2p subshell?
Answer:
6 possible electron can fit into the 2p subshell
what causes chemical change in the stomach?
Answer:
The chemical change in the stomach, known as food digestion, is from the enzymes in the liver and stomach where they break down food molecules into even smaller molecules in order for them to be digested more easily.
How much aluminum can be extracted from 3.5 metric tons of bauxite ore which is 70% aluminum oxide?
Answer:
A) 17.5%
B) 1) 2135 kg
2) 375 kg
C) 91.8
Explanation:
Part (A):
1 tonne= 1000 kg= 100%
Aluminium oxide= 825 kg= 82.5%
Iron (lll) oxide= 100 kg= 10%
Sand= 85 kg= 7.5%
That makes total of 100%
So, the percentage of impurities= Iron (lll) oxide + Sand
=> 10 + 7.5= 17.5%
Part (B):
(1) 1 tonne= 427 kg
Multiplying both sides by 5
=> 5 tonne= 427 * 5
=> 5 tonne = 2135 kg
(2) 1 tonne contains 75 kg sand as impurity
=> 1 tonne= 75 kg
Multiplying both sides by 5
=> 5 tonnes = 75 * 5
=> 5 tonnes = 375 kg
Part (C):
If all of the iron oxide was removed, then only aluminium and sand are left.
Aluminium = 825 kg
Sand= 74 kg
Total of them makes it:
=> 825 + 74 = 899
So,
% age of Aluminium= 825/899 * 100
% age of Aluminium= 0.918 * 100%
% age of Aluminium= 91.8%
what is the ratio of oxygen to iron in iron oxide?
Answer:0.2865
Explanation:
what is electromagnetisim
Answer:
science of electromagnetic fields
Explanation:
(winks and runs off)
a compound is a substance composed of two or more elements in a fixed ratio. true or false?
Answer:
its true..plz mark me brainliest
Explanation:
there are two questions
1. what is the energy associated with electromagnetic radiation of 6.34 x 10^15 hertz
2. What is the frequency of one of the bands of the sodium emission spectrum that has a wavelength of 585 nanometers?
1. The energy associated with an electromagnetic radiation of [tex]6.34 \times 10^{15} \;Hertz[/tex] is equal to [tex]4.2 \times 10^{-18}\;Joules[/tex].
2. The frequency of one of the bands of the sodium emission spectrum is [tex]5.13 \times 10^{14}\;Hertz[/tex]
Given the following data:
Frequency = [tex]6.34 \times 10^{15} \;Hertz[/tex]Wavelength = 585 nm to m = [tex]5.85 \times 10^{-7}\;meters[/tex]Scientific data:
Speed of light = [tex]3 \times 10^8\;meters[/tex]Planck constant = [tex]6.626 \times 10^{-34}\;J.s[/tex]1. To determine the energy associated with an electromagnetic radiation of [tex]6.34 \times 10^{15} \;Hertz[/tex], we would apply Einstein's equation for photon energy:
Mathematically, Einstein's equation for photon energy is given by the formula:
[tex]E =hf[/tex]
Where:
E is the energy.h is Planck constant.f is photon frequency.Substituting the given parameters into the formula, we have;
[tex]E = 6.626 \times 10^{-34}\times 6.34 \times 10^{15} \\\\E = 4.2 \times 10^{-18}\;Joules[/tex]
2. To determine the frequency of one of the bands of the sodium emission spectrum:
Mathematically, the frequency of a wave is given by the formula:
[tex]Frequency = \frac{Speed}{wavelength} \\\\Frequency = \frac{3 \times 10^8}{5.85 \times 10^{-7}} \\\\Frequency =5.13 \times 10^{14}\;Hertz[/tex]
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What is a single layer of graphite called
Asking for GCSE Chemistry
Answer:
GRAPHENE is a single layer of graphite
Explanation:
each carbon atom bonded to 3 other carbon atoms forming a hexagonal lattice
How did the industrial revolution contribute to global climate change
Answer:humans have put ridiculous amounts of carbon dioxide into the atmosphereThese events are linked to the mass burning of fossil fuels to meet an increase in human demand
So the answer is True
Explanation:
Burning fossil fuels, such as coal and oil, has increased the quantity of greenhouse gases in our atmosphere since the Industrial Revolution began around 1750.
What is atmosphere?Atmosphere is defined as a layer of gas that surrounds a planet and is kept there by the gravitational pull of the planetary body. The atmosphere of Earth includes five primary layers and a number of minor ones.
Industrial revolution is defined as the transition of an economy based on agriculture and handicrafts to one driven by industry and machine production. The causes of industrial revolution are the advent of capitalism, European imperialism, efforts to mine coal, and the effects of the Agricultural Revolution are some of the factors that historians have recognized as contributing to the Industrial Revolution.
Thus, burning fossil fuels, such as coal and oil, has increased the quantity of greenhouse gases in our atmosphere since the Industrial Revolution began around 1750.
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What are all the chemical reaction takes place if Conc HNO3 acids leaks in seawater and at what dilution ratio it gets neutralized?
Answer:
Chemical formula: HNO₃
Melting point: −42 °C (−44 °F; 231 K)
Molar mass: 63.012 g·mol−1
Solubility in water: Miscible
Explanation:
When Conc HNO3 acid leaks into seawater presumed to be largely consisting of Sodium Chloride and other dissolved salts, I won't consider it as a chemical reaction rather it is a Physical Change. I presume this activity as a mixture when the acid been the solute becomes a contaminants
a positively or negatively charged particle is called:
Answer:
A positively or negatively charged particle is called an ion.
Explanation:
Ions form when they lose or gain electrons in order to become stable by filling their octet. When an element lose an electron(s), it becomes positively charged and occpanies the symbol (+). When an element gains an electron(s), it becomes negatively charged and occpanies the symbol (-).
What do you already know about throwing a curveball?
Answer: You have to have good mechanics as well as the curve with velocity and speed.
The MLB Pitchers you see can be an example.
Commentators yelling Nasty Curveball, Strikeout!!
How many elements are in the other metals group
Answer:
7 elements
Explanation:
Answer:
There are 7 elements
Explanation:
Element Dy has 3 known isotopes. If.2% of the sample has a mass of 160
amu, .06% has a mass of 160.9 amu and the remaining has a mass 162
amu, what is the predicted mass of Dy?
Answer:
this girl in my class is getting a dog
Explanation:
but shes annoying so im hit her
The diagram represents an atom of an element key
e = electron = 4
n = neutron = 5
p = proton = 4
Which symbol gives this information?