Answer:
D10 is answer
Explanation:
Magnetism can result from unpaired electrons in a given ion of an element, depending on the spin states of the electrons and d10 is fully filled
The d 10 is the d shell configurations which is most likely to be the best magnet.
What are configurations?Configurations are defined as the way that parts are joined together to form the computer system. The arrangement of electrons scattered throughout the orbital shells and subshells is depicted by the electron configuration of an atom. Divide the periodic table into pieces to represent the atomic orbitals, the areas where electrons are stored, in order to determine an electron configuration. The s-block is represented by groups one and two, the d-block by groups three through twelve, the p-block by groups thirteen to eighteen, and the f-block by the bottom two rows.
Depending on the spin states of the electrons and whether or not d10 is completely filled, magnetism can emerge from unpaired electrons in a specific ion of an element.
Thus, the d 10 is the d shell configurations which is most likely to be the best magnet.
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The distinctive odor of vinegar is due to acetic acid, HC₂H₃O₂, which reacts with sodium hydroxide. If a 3.45 mL sample of vinegar needs 42.5 mL of 0.115 M NaOH to be neutralized, how many grams of acetic acid are in a 1.00 L bottle of this vinegar?
Answer:
Explanation:
CH₃COOH + NaOH = CH₃COONa + H₂O .
42.5 mL of .115 M of NaOH will contain .0425 x .115 moles of NaOH
= 48.875 x 10⁻⁴ moles NaOH
It will react with same number of moles of acetic acid
So number of moles of acetic acid in 3.45 mL = 48.875 x 10⁻⁴
number of moles of acetic acid in 1000 mL = 48.875 x 10⁻⁴ x 10³ / 3.45 moles
= 1.4167 moles
= 1.4167 x 60 gram
= 85 grams .
So 85 grams of acetic acid will be contained in one litre of acetic acid.
what is homogeneous mixture?
A mixture is a portion of matter made up of two or more substances called constituents. Mixtures are the product of the mechanical joining of substances without change in chemical nature, and therefore, each constituent retains its properties.
the option 4
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:
If its density is 34 g/ml, what is the mass of 120.0 ml of the liquid?
Answer:
The answer is 4080 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volumeFrom the question
volume = 120 mL
density = 34 g/ml
We have
mass = 34 × 120
We have the final answer as
4080 gHope this helps you
what are the 3 subatomic particles of the atom? What are their corresponding charges and locations within the atom?
Answer:
Protons, neutrons, and electrons are the three main subatomic particles found in an atom.
Explanation:
the negatively charged electrons can be found around the nucleus in an electron cloud.
Help fast!
Determine the density of a liquid if it’s mass is 50.5 grams.
Answer:
do we have the volume ?
Explanation:
moles in 9.01x10^23 molecules water
Answer:
The answer is 1.50 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\ [/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
[tex]n = \frac{9.01 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{9.01}{6.02} \\ = 1.496677740...[/tex]
We have the final answer as
1.50 molesHope this helps you
Answer: 1.50 moles
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
I need help please
Answer: If you think about it, B. would be the most reasonable answer with the given factors.
what type of ions are the atoms Mg and Na expected to be? why?
Answer:
its C
Explanation:
just took the quiz
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:
Why is hydrogen peroxide sold in opaque plastic bottles?
it's not a very stable compound
does anyone have any information about "trititanium pentoxide" or "titanium oxide"?
Answer:
Commonly available heat-storage materials cannot usually store the energy for a prolonged period. If a solid material could conserve the accumulated thermal energy, then its heat-storage application potential is considerably widened. Here we report a phase transition material that can conserve the latent heat energy in a wide temperature range, T<530 K and release the heat energy on the application of pressure. This material is stripe-type lambda-trititanium pentoxide, λ-Ti3O5, which exhibits a solid–solid phase transition to beta-trititanium pentoxide, β-Ti3O5. The pressure for conversion is extremely small, only 600 bar (60 MPa) at ambient temperature, and the accumulated heat energy is surprisingly large (230 kJ L−1). Conversely, the pressure-produced beta-trititanium pentoxide transforms to lambda-trititanium pentoxide by heat, light or electric current. That is, the present system exhibits pressure-and-heat, pressure-and-light and pressure-and-current reversible phase transitions. The material may be useful for heat storage, as well as in sensor and switching memory device applications.
Explanation:
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
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:
please helppp!!!
Consider the following intermediate chemical equations.
C(s) +202(g) → CO(g)
CO(g)+302(g) → CO2(g)
How will oxygen appear in the final chemical equation?
O O2(g) as a product
O O2(g) as a reactant
O O(g) as a product
O 20(g) as a reactant
O₂(g) as a reactant
Further explanationIn chemical reactions, there is a reaction between reagents and products
Reaction:
aA + bB ⇒ cC
Substances A and B are called a reactants
Substance C is called a product
In the above reaction:
Reactants: C, O₂ and CO Products: CO and CO₂CO functions as a product in the first reaction and functions as a reactant in the second reaction
In the final chemical equation :
CO(g)+30₂(g) → CO₂(g)
O₂ is on the left so it is called the reactant
Answer: B. O₂(g) as a reactant
Which of the following is a chemical property of a sheet of paper?
A. The paper can be burned.
B. The paper can be crumbled.
C. The paper does not attract a magnet.
D. The paper does not conduct electricity.
Answer:
A
Explanation:
Flammability is a chemical property. The paper crumbling would be a physical property. The inability to attract a magnet or conduct electricity would be considered electrical properties
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.
i need help Which of the following shows the correct order in which organs take part in the process of digestion
Answer:
Mouth
Esophagus
Stomach
The small intestine
Colon (large intestine)
Rectum
Explain the difference between terms "bonded" and "attracted'
bonded means that the two have come together and are attached together, wheras attracted means that the two like to come close to each other but are not put together
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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2 Examples of solid, liquid and gas
Answer:
Solid
1. Stone
2. Brick
Liquid
1. Water
2. Oil
Gas
1. Oxygen
2. Nitrogen
Answer:
rock and sand, water and steam, smoke and hydrogen
Explanation:
rock and sand are solids, water and steam are liquids, smoke and hydrogen are gases. trust me i know this
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Answer: YEAH ITS the third one
Explanation: duhh
PLEASE explain your answer!!!!
Answer:
Explanation: confusing
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
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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Which element would be the least similar to magnesium
Answer:
Chemistry Q&A Library decide which element probably forms a compound with chlorine that has a chemical formula most and least similar to the chemical formula of the compound formed by chlorine and magnesium most and least similar to magnesium:strontium,rubidium,phosphorus, cesium
Explanation:
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What type of bond is Cu and F Ionic or Covalent?
11) Identify the number of elements and the number of atoms present in the chemical formula. NaHCO ²
4; 6
5; 6
4,5
3; 5
Answer:
4;6
Explanation:
because there are four elements
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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