To solve such this we must know the concept of double displacement reaction. Therefore, the correct option is option B that is kinetic energy of collisions of reactant particles.
What is chemical reaction?Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.
There are so many factors that affects the rate of reaction, among these, kinetic energy of collisions of reactant particles affect the rate of a chemical reaction. the rate of reaction is directly proportional to the rate of chemical reaction.
Therefore, the correct option is option B.
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Would you expect the shielding effect to be greater in bromine than in chlorine?
A. Yes, because there are more filled orbitals in bromine.
B. Yes, because bromine has a higher atomic number.
C. No, because they are both in the same family.
D. No, because chlorine has a higher electronegativity than bromine.
The shielding effect of bromine is greater than chlorine because there are more filled orbitals than in chlorine.
Shielding EffectThis is the process where by electrons are protected by the pull attraction of the nucleus with the use of electron shells. The shielding effect increases down the group of the periodic table and increases across the period. This is because when you move down the group, there's an increase in the number of shell by 1 and it helps to reduce the effect of nuclear attraction on the electrons. However when you move across the period, there's an increase in the numbers of electron with the same shielding electrons from group 1(a) across the period to group 7(a).
Factor that affect the shielding effect of an electronThe numbers of electrons on the inner shells.Type of orbital which the electron is located.Shielding effect is primarily dependent on the numbers of electrons in the inner shells as well as the type orbitals.
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what is the number of the atom in 1 mole of methanol CHɜOH ?
why do i have white spots on my teeth after brushing?
A student makes an aqueous solution of sodium hydroxide. Which statement correctly identifies the two ions present in the solute of this mixture?
The sodium ion is positive, and the hydroxide ion is negative.
The sodium ion is neutral, and the hydroxide ion is neutral
ОООО
The sodium ion is positive, and the hydroxide ion is
Answer:
PLEASE DO IT PROPERLY I WELL ANSWER IT BUT I CAN'T "I CANNOT UNDERSTAND" I'M VERY SORRY
Explanation:
Question:A student makes an aqueous solution of sodium hydroxide. Which statement correctly identifies the two ions present in the solute of this mixture?
A student makes an aqueous solution of sodium hydroxide. Which statement correctly identifies the two ions present in the solute of this mixture?The sodium ion is positive, and the hydroxide ion is negative.
A student makes an aqueous solution of sodium hydroxide. Which statement correctly identifies the two ions present in the solute of this mixture?The sodium ion is positive, and the hydroxide ion is negative.The sodium ion is neutral, and the hydroxide ion is neutral
A student makes an aqueous solution of sodium hydroxide. Which statement correctly identifies the two ions present in the solute of this mixture?The sodium ion is positive, and the hydroxide ion is negative.The sodium ion is neutral, and the hydroxide ion is neutralОООО
A student makes an aqueous solution of sodium hydroxide. Which statement correctly identifies the two ions present in the solute of this mixture?The sodium ion is positive, and the hydroxide ion is negative.The sodium ion is neutral, and the hydroxide ion is neutralООООThe sodium ion is positive, and the hydroxide ion is
Answer:The litmus paper test is a simple test in order to determine whether a given solution is acidic or basic. One will have to place a drop of a solution on the litmus paper. If it changes a red litmus paper to blue, the solution is basic. If it changes a blue litmus paper to red, the solution is acidic.
the are 2 answers
2nd² answer:It's because of 7-hydroxyphenoxazone. When exposed to acids below pH 4.5, the molecule looks like the image below and this gives litmus paper its red color. As the pH of the test solution moves towards alkaline, one of the hydrogen atoms (white hemispheres) starts to break off (disassociate).
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P I E C K N P I E C K __________________as the atoms of the elements from atomic number 3 to 9 are considered in sequence from left to right on the periodic table, the atomic radius of each successive atom is
Answer:
decreasing
Explanation:
from left to right the nuclear effective charge is increasing, attracting with a greater force the electrons and making the atom to reduces itd atomic radius
The atomic radius decreases along a period in periodic table. Thus, from the third element Li to the 9th element fluorine, atomic radius decreases and F has the lowest radius among them.
What is atomic radius?Atomic radius is the distance from the nucleus to the valence shell. The atomic radius decreases from left to right in periodic table. Thus, the higher atomic radius is exhibited by metallic elements.
The horizontal rows in the periodic table is called periods. Along a period , atomic radius decreases and electronegativity increases. When moving to the right there is no increase in the number of shells and the filling of electrons does not achieve octet except for group 18. Hence, they are electronegative.
From atomic number 3 to 9 atomic number is decreasing. Hence, among these elements, the smallest one is fluorine (Z = 9).
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what object has a mass of 10 grams and a volume of 2 mL
Answer:
Destiny = 5 g/ml
Explanation:
The formula for density is d=
Knowing this, divide your mass by volume:
10 g / 2 ml = 5 g/ml
Final answer:
Destiny = 5 g/ml
What are some examples of a physical change? (list more than 2 examples)
Answer:
Examples of physical change include changes in the size or shape of matter. Changes of state, for example, from solid to liquid or from liquid to gas, are also physical changes. Some of the processes that cause physical changes include cutting, bending, dissolving, freezing, boiling, and melting.
Explanation:
I hope this helps
Which type of reaction is
NaOH + KNO3 NaNO3 + KOH
-->>
Answer:
Explanation:
NaOH + KNO3 --> NaNO3 + KOH. combustion. CH4 + 2 O2 --> CO2 + 2 H2O. single displacement. 2 Fe + 6 NaBr --> 2 FeBr3 + 6 Na. double displacement.
Alkaline batteries adopted their name from the _____ that is present in the reactions at both the zinc anode and the MnO2 cathode.
Answer:
hydroxide ion
Explanation:
The alkaline battery got this name because it has an alkaline electrolyte of potassium hydroxide.
Can anyone help me? I will try to give brainliest.
Answer:
Looking at the table, Silver is definitely the most conductible metal there. It has the lowest electrical resistivity which means it allows for an easier flow of electrons, and it also has a higher thermal conductivity which means it would exhibit a higher conductivity. Diamond has the highest thermal conductivity, but the electrical resistivity is extremely high and due to its giant covalent/tetrahedral molecular structure (being an allotrope of Carbon), electrons can't necessarily jump around. Diamond wouldn't be a conductor at all.
The most simplest composition and structures provide a higher thermal conductivity. For example, with Diamond, we know that it is a structure made of covalent bonds of carbon, so its thermal conductivity is high.
Answer:
Q1
Copper
Explanation:
Copper is a good conductor of electricity, its resistance is high, and its chemical activity is weak
Q2
The thermal conductivity of a specific material is highly dependent on a number of factors. These include the temperature gradient, the properties of the material, and the path length that the heat follows.
How are elements arranged on the periodic table?
Question 10 options:
boiling point
atomic mass (# of protons and neutrons)
density
atomic number (# of proton
Answer: They are arranged by atomic number.
Would an alkaline earth metal make a good replacement for tin in a tin can?
Answer:
Definitely not. This is because the alkaline earth metal [basically group 2 elements] are reactive and will react with the contents of the can, contaminating it.
No, alkaline earth metals would not be a good replacement for tin in a tin can because alkali from alkaline earth metals react with tin and release hydrogen.
What are alkaline earth metals?Alkaline earth metals are present in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
They are called alkaline earth metals because their hydroxide and oxides are highly alkaline. Their metal oxides are found in the earth's crust.
These metals have 2 electrons in their outer shell, and they are highly reactive, so they will react with the tin in a tin can.
Thus, alkali from alkaline earth metals react with tin and generate hydrogen, hence they would not make an acceptable replacement for tin in a tin can.
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Methane has the chemical formula of CH4 and would, therefore, it would be
considered...
Answer:
compound
Explanation:
A compound contains more than one element.
Methane's chemical formula (CH4) indicates that it consists of one carbon atom and four hydrogen atoms.
Therefore, methane is a compound.
why don't elements in a group have consicutive atomic numbers?
Answer:
Periods have consecutive atomic number as they are in a row and groups are vertical meaning they are in a column and groups have similar properties
Which statement best defines kinetic energy? A. kinetic energy is highest at the highest point of structure or model.
B. kinetic energy is stored in a battery.
C. kinetic energy is energy that is stored up. D. kinetic energy is the energy of motion. help me pls!!
Answer:
The answer is D. Kinetic energy is the energy of motion.
Pls mark brainliest. Hope this helped. :D
What is a trial? please
2. What problem did astronaut Eugene Cernan encounter while on an EVA? How did it relate to
Newton's third law of motion?
Answer:
Well he couldn't be pushed back as there isn't a place for him to float back, because of Newton's third law: Every force has an opposite force when Eugene pushes, he will float backwards
Explanation:
Hope this helps!
is it NaCO3 or Na2CO3?
Complete the given equation and mention whether heat is absorbed or evolved during the chemical reaction.
NaOH + HCl ……………. + …………….
need help !! :)
no unwanted ans ...
Answer:
NaCI + H2O
this is answer
what are two possible ways to show the structure of ch4?
Answer: Two possible ways to show the structure of CH4 are its electron dot diagram or structural formula. CH4 or methane's molecular formula is given as CH4. The structural formula is a graphical representation of a chemical compound.
Answer:
using electron dot diagrams or structional formula
Pls help if you only know the correct answer! Thanks! :)
Answer:
i think itd be an exothermic reaction
Explanation:
An exothermic process releases heat, causing the temperature of the immediate surroundings to rise.
-
Which image shows in nonrenewable resource?
Answer:
1
Explanatio
right on edge
Among the given images, the one which is an example of non-renewable source of energy is image -1 the cooking gas is a petroleum product and it is non-renewable.
What are non-renewable energy sources?Non-renewable energy sources are sources of energy that come from finite resources that cannot be replenished on a human timescale. They are called non-renewable because their reserves are being depleted faster than they can be replenished. These energy sources include:
Fossil fuels: Coal, oil, and natural gas are the three main types of fossil fuels. They are formed over millions of years from the remains of plants and animals that lived long ago. Fossil fuels are currently the most widely used sources of energy for electricity generation, transportation, and industrial processes.
Nuclear energy: Nuclear energy is produced through the process of nuclear fission, which involves splitting atoms of uranium or plutonium to release energy. Nuclear power plants generate electricity using this process.
Non-renewable energy sources are a major contributor to greenhouse gas emissions, which contribute to climate change. As a result, there is a growing need to transition to renewable energy sources that are sustainable and have a lower environmental impact.
Here, image 1 - cooking gas is non-renewable.
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"It is not the union that organizes the employees; it is management."
The statement "it is not the union that organizes the employees; it is management " means that :
The management creates the climate which allows the union to convince employees to accept union representation.This excerpt shows that although the union helps in the organization of employees for better and easy management of staffs by the management, the management creates an enabling environment by creating stipulations which allows the u ions to convince staffs to join and accept union representation in staff welfare matters.
Hence we can conclude that, the management creates the climate which allows the union to convince employees to accept union representation.
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What are 2 substances that can CAN conduct electricity? Plz explain.
Answer:
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ѕílvєr cσppєr gσldhσpє hєlpful~
~ єхhαuѕtєd zσmвíєAnswer:
There are two categories of materials that are good conductors of electricity: metals and plastics. Metals conduct in the solid state because they contain mobile electrons, or electrons that may move about freely. When a copper wire is utilized in an electrical circuit, electrons pass through it every time the switch is flipped...
Explanation:
grade 11 chemistry(GASES) why does does cold soda taste great but warm soda taste flat?
Why does cold soda taste great but warm soda taste flat ?
Answer
When a carbonated drink is at room temperature, it is less fizzy and taste flat. Cool it down and it will taste better because the drink is designed to be drank at a lower temperature for optimal fizz and taste.
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How many grams of CO2 are produced using 0.29 moles of O2?
The mass of CO2 produced using 0.29 moles of O2 is 12.76 grams.
The reaction between carbon and pxygen atom is exprssed as:
C + O2 -> CO2From he balanced equation, we can see that 1 mole O2 reacted to produce 1 mole of CO2.Hence if 0.29 moles of CO2 was used in the reaction, the number of moles of CO2 produced will be 0.29 moles as well.Mass of CO2 = number of moles * molar mass
Mass of CO2 = 0.29 * (12 + 32)
Mass of CO2 = 0.29 * 44
Mass of CO2 = 12.76grams
Hence the mass of CO2 produced using 0.29 moles of O2 is 12.76 grams.
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Do you think it is still possible for the Church today to imitate the ways of the early Christians? Give reason for your answer.
Answer:
Explanation:
d president of the conventional signs of doing better Jim and I will be required to pay for the the best regards the team at eight in Hindi homework and always will be I am writing in response.
nd and always wanted to let you know that I have to know where to buy a dog's journey Krishna's mother told Krishna ki Jyoti ben phone number is this the best of all you .
X search you have to know where I send the pdf download and always wanted a dog's life is good for you have to be the height of the scale of pay the full u uruduhrhrhhryy and I will do I am not sure if it would be great if we can do in order for the the the the best friend house came in to see the attached the following.
good morning mam mam is not coming to an end to the basic premise that the age of empires III World of Warcraft accountand looked after bulb on the other even though it was in the morning of Saturday morning at that time of its initial and final and looked like tohhbfns.
à wear a dog's journey Krishna's mother told Krishna ki Jyoti of the conventional sign in the morning and looked like it so I will be required to pay for the whole.
like and follow.
Elements in a vertical column on the Periodic Table have similar properties and are all members of the same
of elements.
ME
A
molecule
HD
B
phase
С
atom
D
group
Answer:
Explanation:
I think it's D but I could be wrong
Answer:
D
Explanation:
During an investigation, a student mixes two liquids in a beaker. The student recorded the following observations in her science notebook.
I. Both liquids are clear prior to mixing.
II. Both liquids are room temperature prior to mixing.
III. The liquid turned pink when mixed.
IV. The temperature of the liquid increased.
V. Over time, a white solid formed at the bottom of the beaker.
Required:
What are evidence of a chemical reaction?
Answer:
3, why because most of the time chemicals reacts within eachother to make new compound that's may lead the liquid chemicals to deflect some of the spectrom of light like red,yellow,blue
To solve such this we must know the concept of chemical reaction. There are so many ways to identify the chemical reaction. Therefore the correct options are option 3, 5.
What is chemical reaction?Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved that is mass can nether be created nor be destroyed in a chemical reaction.
There are so many types of chemical reaction reaction like combination reaction, double displacement reaction. The evidence of a chemical reaction are "the liquid turned pink when mixed" and "over time, a white solid formed at the bottom of the beaker".
Therefore the correct options are option 3, 5.
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What role do plants play in reducing carbon dioxide in the atmosphere? How can plants play a role in combating climate change?
Please help!!? ASAP
Answer:
an indirect cooling effect.
Explanation:
they play that role by reducing water vapor in the heat .