Answer:
B
Explanation:
Oxidation occurs when an atom molecule or ion loses one or more electrons in a chemical reaction when oxidation occurs the oxidation state of the chemical species increases oxidation doesn't necessarily involve oxygen originally the term was used when oxygen caused electron loss in a reaction hope this helped. :)
An element is oxidized when It has loses one or more electrons in a chemical reaction. Therefore, Option (C) is correct.
What is Oxidation ?The loss of electrons, gain of oxygen or loss of hydrogen will be considered as Oxidation.
The gain of electrons, loss of oxygen or gain or hydrogen will be considered as the Reduction.
Rusting is one of the popular example of oxidation.
Therefore, An element is said to be oxidized when It has lost one or more electrons in a reaction.
Hence , Option (C) is correct.
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What are the two general properties that define matter?
Answer:
Matter can be defined or described as anything that takes up space, and it is composed of miniscule particles called atoms. It must display the two properties of mass and volume.
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It is a mixture that consists of a liquid solvent and dissolved solute.
Answer:
A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . ... The solute is the substance that is being dissolved, while the solvent is the dissolving medium. Solutions can be formed with many different types and forms of solutes and solvents.
Answer:
A solution is a homogeneous mixture consisting of a solute dissolved into a solvent .
Explanation:
Which timeline best shows the history of the development of cell theory? 1665 1838 Schleiden 1855 Hooke VirchowN 1600 1700 1676 1800 1900 1839 Schwann Leeuwenhoek 1665 Hooke 1838 1855 Schleiden Virchow 1700 1800 1900 1676 Leeuwenhoek 1830 Schwann 1665 1838 1855 Hooke Leeuwenhoek]Virchow O 1600 1700 1676 1900 1839 Schwann Schleiden 1665 1838 1855 O Virchow Schwann Hooke 1700 1800 1676 1839 1900 Leeuwenhoek Schleiden.
Answer:
Schleiden, Schwann, and Virchow
Explanation:
A component of the cell theory is that all living things are composed of one or more cells.
A component of the cell theory is that the cell is the basic unit of life.
A component of the cell theory is that all new cells arise from existing cells.
Answer:
B is right edg 2021
Explanation:
how many significant figures are in the number 3×10⁶
Answer:
1 significant figure
Explanation:
3×10^6 is 3,000,000
Non-zero digits are always significantAny zeros between two significant digits are significantA final zero or trailing zeros in the decimal portion ONLY are significantExample: .500 or .632000 the zeros are significant
.006 or .000968 the zeros are NOT significant
Why can't sugar be found on the periodic table?
Which has the least potential energy?
gases
liquids
solids
Answer
The answer is SOLIDS
Explanation:
Physical Science A 20-21 - Spencer / Basics of Physical Scier
1. Decide which of the following is the best observation.
The dog ate the bone hiding.
The dog ate the bone hiding under the tree.
The dog ate the bone hiding under the shady tree.
The dog ate the bone.
Answer:
The dog ate the bone hiding under the shady tree.
Explanation:
The best observation is that the dog ate the bone hiding under the shady tree. This is because it provides the most graphic details about the position and activities of the dog.
With this choice, we can properly picture the dog and the relationship it has with the tree. The more information we know about a subject of investigation, the better an observation it affords. Such a well informed observation will make analysis much better.Answer:
The dog ate the bone hiding under the shady tree.
Explanation:
It has the most detail :)
ito ang kontinenteng nagtataglay ng pinakamaraming bansa sa lahat ng kontinente
Answer:
Africa
Explanation:
Ang Africa ay ang kontinente na mayroong pinakamataas na bilang ng mga bansa sa lahat ng mga kontinente.
Kasalukuyan, ang bilang ng mga bansa sa kontinente ay 54, ito ay 53 bago ang South Sudan ang pinakabagong sumali.
Ang bilang na ito ay pinaniniwalaang tataas sa mga darating na taon dahil sa kaguluhan ng iba't ibang mga segment sa ilang mga bansa para sa kalayaan
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Why are electron filling orders not the same between the first and the last two elements of group 6B?
Answer:
This primarily has to do with the balance of energy between the orbitals. The aufbau principle states that the order of energy regarding electrons in the orbitals from lowest to highest is so the electron in the atom will minimalize it's energy. Periods on the periodic table are based on the energy level while the groups have the same amount of valence electrons. The outer orbitals are refered to as shells. The elements are particularly arranged depending on their atomic and molecular orbitals. Valence electrons most determine the chemical properties of an element. The atomic number is based on the number of protons.Match the vocabulary words with the correct definitions.
1.
equation
domain
3.
the variable representing the second elements of the
ordered pairs in a function; the outputs
2. the independent value, or x value
a relation where for any given input value there is only one
output value
the variable representing the first elements of the ordered
4.
pairs in a function; the inputs
a mathematical statement that shows two expressions are
5.
equal; has an equal sign
dependent variable
independent variable
function
Answer:
5 and 2 I think.
Explanation:
[tex]\\ \\[/tex]HOPE THIS HELPS!!Answer:
i just wanted to say that the other person really did not help
Explanation:
What are the solvent and solute in a solution containing 100 grams of ethanol and 3 grams of sucrose?
Answer: I think the ethanol in the solute and the sucrose is the solvent. Hope this helps!
Explanation: i learned this last year I think it is right?
A solvent is a chemical that dissolves a solute to produce a uniform solution. A solute is a substance that dissolves in a solvent, resulting in a homogeneous mixture. The solute is sucrose, and the solvent is ethanol.
What is meant by solution ?A solution is a well-mixed solution in a solvent of one or more dissolved solutes. A solute is a substance that dissolves another substance, creating a continuous medium. A solute is a substance that dissolves in a solvent, resulting in a homogeneous mixture.A solution is formed when one substance dissolves or degrades into another. A solute is any substance that dissolves to form a solution. A solvent is a chemical that is used to disperse a solute. The solute in a sugar-water solution is sugar, and the solvent is water. A solution is a homogeneous mixture of two or more particles with diameters less than one Nano meter.To learn more about Solution, refer to:
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What is a hypothesis? A. a statement that can be tested through a scientific investigation В. a statement that summarizes the results of an experiment C. a question that cannot be scientifically tested D. a description of the steps involved in an experiment
Answer:
A
Explanation:
Hope this helps :)
PLEASE explain your answer!!!!
Answer:
Explanation: confusing
I need help please
Answer: If you think about it, B. would be the most reasonable answer with the given factors.
Which of the following is an example of an element? a brass b oxygen c rust d water
Answer:
A) Oxygen
Explanation:
An element is defined as something made of only 1 type of atom. Brass and rust are made up of many types of atoms, and water has two types of atoms, hydrogen and oxygen. Oxygen is made up of two oxygen atoms, which are the same element. So, by definition, oxygen is an element.
Answer:A
Explanation:
What is the average atomic mass of a sample containing three Lithium-6 atoms and two Lithium-7 atoms?
Answer:
3
Explanation:
HELP PLZ
Bonding Models How can electron dot formulas be used to illustrate the anions or cations of elements?
Answer:
the anwcer on edg 2020 is yes
HOPE THIS HELPS
Explanation:
9. First identify the following as either homogeneous substances or
heterogeneous mixtures. Then further classify as either elements,
compounds or mixtures:
a. Earth
i. Air
b. H(9) I
j. CuSO4(s)
C. Cuso, (aq)
k. NaCl (1)
d. Magnesium solid
1. Methane gas
e. Na (s)
m. Antimony (1)
f. Sugar (1)
n. H20 (1)
g. C.H2O. (aq)
o. 02 (9)
h. NaCl (aq)
p. CO (9)
Answer:
a few days ago of course I was a in the my life pro chef chef cooking channels and then the first first place to for the you know what do not you can be you know how much
Ribosomes are cell structures that make
Ribosomes are cell structures that make protein. They are the primary site of the synthesis of protein. They are made up of protein and RNA.
What are ribosomes?Ribosomes are cell organelles scattered in the cytoplasm of the cell. They are tiny and round vesicles. They are present in both prokaryotic and eukaryotic cells. Furthermore, they are present freely in the cytoplasm. Ribosomes are also present near the endoplasmic reticulum.
Ribosomes are made up of RNA and protein, and they synthesize the protein in the cell. Ribosomes read the mRNA and by these codes of mRNA, it constitutes amino acids, that grow into a long chain of the protein.
Thus, ribosomes are the parts of cells that produce protein. They serve as the central location for protein production. They are composed of RNA and protein.
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Water is the ideal medium to have within our bodies BECAUSE it facilitates chemical reactions. a Both the assertion and the reason are incorrect. b The assertion is incorrect, but the reason is correct. c The assertion is correct, but the reason is incorrect. d The assertion and the reason are both correct, but the reason is invalid. e The assertion and the reason are both correct, and the reason is valid.
Answer:
The answer is D
Explanation:
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CAN SOMEONE PLEASE HELP ME WITH THIS QUESTION
Wrong or inproper answer will be reported
The mass of unreacted zinc = 13 g
Further explanationThe reaction equation is the chemical formula of reactants and products
A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reactants and products
Reaction
[tex]\tt Zn+2HCl\Rightarrow ZnCl_2+H_2[/tex]
mol ratio Zn : HCl = 1 : 2
mol of HCl[tex]\tt mol=V\times M\\\\mol=0.1~L(100~cm^3)\times 2~mol/L\\\\mol=0.2[/tex]
mol of Zn[tex]\tt \dfrac{1}{2}\times 0.2=0.1~mol[/tex]
the mass of reacted Zn :[tex]\tt 0.1\times 65=6.5~g[/tex]
the mass of unreacted Zn[tex]\tt 19.5-6.5=\boxed{\bold{13~g}}[/tex]
What is the stable end product of the decay of uranium 238
Lead
Explanation:
by emission of alpha particles
The end product of the decay of uranium 238 is Pb-206.
Heavy elements are generally grouped into four decay series which are; Thorium series, Uranium series and actinium series and Neptunium series.
These heavy elements decay via a series of α and β emissions until a stable nucleus is finally achieved. All these decay series usually terminate in a lead nucleus.
Uranium 238 belongs to the uranium decay series and terminates at Pb-206.
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What is the proof of the chemical reaction?
Answer: The chemical is disrupted, also most likely causing an explosion.
Explanation:
A cart has a mass of 35kg and a speed of 1.2m/s. What is its kinetic energy
Answer:
The answer is 25.2 JExplanation:
The kinetic energy of an object can be found by using the formula
[tex]KE = \frac{1}{2} m {v}^{2} \\ [/tex]
where
m is the mass
v is the velocity
From the question we have
[tex]KE = \frac{1}{2} \times 35 \times {1.2}^{2} \\ = 17.5 \times 1.44 [/tex]
We have the final answer as
25.2 JHope this helps you
Answer:
25.2 J
Explanation:
Using the kinetic energy formula:
KE = [tex]\frac{1}{2}[/tex]m v²
Plug in the given values:
KE = [tex]\frac{1}{2}[/tex] (35 kg) · (1.2 m/s)²
KE = [tex]\frac{1}{2}[/tex] (35) · 1.44
KE = 17.5 · 1.44
KE = 25.2 J
There is a kinetic energy of 25.2 Joules.
please help timed !! due rn !! What happens to particle motion as two substances come to thermal equilibrium?
Answer:
When two substances that are of different temperatures are brought together and there is heat transfer such that the substances come to thermal equilibrium, the effect on the particle motion are as follows
1) The particle motion of the hotter body reduces, because its temperature reduces
2) The particle motion of the colder body increases, because its temperature increases
3) For gases, the volume and or pressure reduces for the hotter body, and if the temperature of the gas falls below the boiling point temperature, the gas will change into liquid
For the colder gas, only the volume and or pressure increases and the temperature rises
4) For liquids, if the temperature of the hotter liquid falls below the melting point, the hotter liquid will become a frozen solid
For the the colder liquid, if the temperature is raised above the boiling point, the liquid changes into gas and the temperature does not rise above the boiling point temperature, until all the cold liquid has evaporated
5) For solids, the vibration of the particles of the hotter substance reduces and the solid becomes more brittle
For the colder body, the rise in temperature causes an increase in vibration of the particles, and if the temperature rises above the melting point, the colder solid will begin to melt
Explanation:
organize the following location's from the smallest to largest respectively
A.Texas
B.United states
C.North America
D.City of Mission
E.Hidalgo county
crystal structure of argon
Answer:
Solid argon is stable in the face-centered cubic structure at all temperatures, but it is found that it can also crystallize in a metastable form with hexagonal close-packed structure. ... Small amounts of nitrogen, oxygen, or CO stabilize the hcp phase at temperatures near the melting point.
Explanation:
what type of ions are the atoms Mg and Na expected to be? why?
Answer:
its C
Explanation:
just took the quiz
Which statement explains why some elements decay and others do not?
Answer:
C) Elements that decay have a proton to neutron ratio that is too high or too low.
Explanation:
e2021
what makes alkali metals a family?
Answer:
The metals in this group are lithium, sodium, potassium, rubidium, cesium, and francium. The gas hydrogen is also put in this group because it shares similar reactivity with the alkali metals.
I don't know if this is what you wanted or not sorry if it isn't