while a capacitor has a capability distinction between the plates it's miles said to be consistent.
each plates have different fee which means that one has better ability than the other.
V= potential distinction across the plates , when the capacity distinction V is improved , rate on capacitors additionally will increase such that the ratio Q/V , remains consistent i.e. capacitance remains consistent . due to the fact capacitance relies upon upon plate location , medium between plates and distance among plates .
consequently, whilst we be a part of them in parallel, charge will float from better to lower. and it continued to go with the flow until equilibrium (the whole method took just a few seconds), indicating that the capacity remains consistent.
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How many vibrational degrees of freedom does a molecule of dichloromethane (ch2cl2) have?
6 vibrational degrees of freedom in dichloromethane (ch2cl2)
No of independent way in which a molecule or an atom can exhibit motion is called degree of freedom Here, dicloromethane is a non linear molecule that's why degree of freedom for non linear molecule is 3N-6. here N= no of atom involved in that molecule so in dicloromethane 3N-6=3×4-6=12-6=6
Therefore in dichloromethane 6 vibrational degree of freedom
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A ______________ is a type of mass movement where the material stays fairly coherent and moves over a well-defined surface.
a. rock fall
b. earthflow
c. debris avalanche
d. slump
e. debris flow
A Slump is a type of mass movement where the material stays fairly coherent and moves over a well-defined surface.
What is a slump?
A slump is a colloquial expression denoting a precipitous drop in commercial activity, trade, or market values. The term "slump" is particularly adaptable since it may be used to refer to both a brief, abrupt collapse and a longer-lasting, more steady period of low activity or value. There are downturns in the markets, the economy, industries, and incomes, among other things.
A slump typically refers to the start of a recession in economic terms. The months prior to the official announcement of a recession are simply referred to as a protracted economic slump because a recession is not officially announced until several months of decreased activity have passed.
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In the mass spectrum of pentane, the presence of a peak with an m/z = 29 most likely is due to the loss of what radical from the molecule?
In the mass spectrum of pentane, the presence of a peak with an m/z = 29 most likely is due to the loss of butyl radical from the molecule.
A spectrum (spectra or spectra) is a state that is not confined to a particular set of values and can vary seamlessly on a continuum. The term was first used scientifically in optics to describe the rainbow colors of visible light after passing through a prism.
The Spectrum of Life in the Hall of Biodiversity is an evolutionary journey through the incredible diversity of life on Earth. The 1,500 specimens represent a wide range of bacteria, fungi, plants and animals, from the smallest microbes to giants of land and water. A spectrum is defined as the characteristic wavelengths of electromagnetic radiation (or parts thereof) emitted or absorbed by an object or substance, atoms or molecules. Examples of spectra include the rainbow, the colors of the sun's emission, and infrared absorption wavelengths of molecules.
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The proper process(es) for disposing of liquid waste containing hazardous material could be?
Wastewater, another name for liquid waste, has a very diverse composition that primarily depends on its source. Residential, commercial, and industrial regions are the three primary sources in towns and cities.
What are liquid wastes?
Wastewater, fats, oils, or grease (FOG), used motor oil, liquids, solids, gases, or sludges are all examples of liquids that are considered to be hazardous household liquids. These liquids could be dangerous or damaging to the environment or human health. They can also be commercial products that have been labeled "Liquid Industrial Waste," such as cleaning agents or pesticides, or leftovers from production. The generation, storage, transport, treatment, and disposal of hazardous and liquid wastes are subject to special laws in addition to the standard waste regulations.Wastewater, another name for liquid waste, has a very diverse composition that primarily depends on its source. Residential, commercial, and industrial regions are the three primary sources in towns and cities.To know more about hazardous wastes, refer:
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Suppose that you are conducting a field experiment with plants. You are testing the hypothesis that plants grow faster when mulch covers the soil. Plan how you would conduct the experiment. Include the types of evidence you would gather. Then plan how you would repeat it.
Start by setting up your materials you would put one plant in mulch and one without. After 2-3 weeks of proper care of the plants you record your findings, did the plant grow more without without the mulch?
In a chemistry class, 8 liters of a 4 cid solution must be mixed with a 10 cid solution to get a 6 cid solution. how many liters of the 10 cid solution are needed?
4 liters of the 10% solution are needed.
ω₁ = 4% ÷ 100% = 0.04; mass percentage of 8 liters solution
V₁ = 8 L; volume of 4% solution
ω₂ = 10% ÷ 100% = 0.1; mass percentage of solution
ω₃ = 6% ÷ 100% = 0.06; mass percentage of the final 6% solution
V₂ = ?; volume of 10% solution
V₃ = V₁ + V₂; volume of the final 6% solution
ω₁ · V₁ + ω₂ ·V₂ = ω₃ · V₃; formula to calculate volume of the solution
0.04 · 8 L + 0.1 · V₂ = 0.06 · (8 L + V₂)
0.32 L + 0.1 · V₂ = 0.48 L + 0.06 · V₂
0.04 · V₂ = 0.16 L
V₂ = 0.16 L ÷ 0.04
V₂ = 4 L; volume of the 10% solution
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which of these measurements has only nonsignificant zeros? group of answer choices 506 ml 400. ml 0.0037 ml 60.0 ml
The answer to this question is
0.0037 ml is the measurement which has only non-significant figures.
The basic rules of significant figures are:
Every non-zero digit is a significant figure. For example, 456 has three significant figures.The zeros that are in-between are also significant. For example 809 has three significant figures.If the zeros are on the right side of a decimal point, they are also significant. For example, 8.00 has three significant figures. The leading zeros are not significant. For example, 0.07 has only two significant figures.If you need to learn more about significant figures, click here
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A manufacturer of bicycles has 4815 wheels, 2305 frames, and 2255 handlebars. (a) How many bicycles can be manufactured using these parts? (b) How many parts of each kind are left over? (c) Which part limits the production of bicycles?
The correct answer is 2255 bicycles. (b) 50 frames left over, 305 wheels left over (c) the handlebars.
A manufacturer of bicycles has 4815 wheels, 2305 frames, and 2255 handlebars.First, each bicycle has 2 wheels, so the total pairs of wheels is 4815/2 = 2507.5.
The total amount of bicycles that the manufacturer can make is equal to the smallest number of a determined part that he has, in this case is 2255.This is because he only has 2255 handlebars, after he makes 2255 bicycles, he runs out of handlebars, and can not make more.then with the parts listed in the problem, the manufacturer can do 2255 bicycles
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What chemical bonds stabilize the different structures in primary, secondary, tertiary and quaternary structures?.
Peptide bonds, hydrogen bonds, disulfide linkages, van der Waals, and electrostatic forces of attraction are the chemical bonds that stabilize the different structures in primary, secondary, tertiary, and quaternary structures.
The advanced structure of proteins gives rise to two kinds of major molecular shapes which are fibrous as well as globular structures. The main forces which are involved in stabilizing the secondary along with the tertiary structures of proteins include hydrogen bonds, disulfide type linkages, van der Waals attraction, and electrostatic forces of attraction.
The primary structure is generally determined by adjoining peptide bonds where the link is adjoining amino acids in sequential order. Tertiary structure is determined by the existence of disulfide bonds in between hydrophobic interactions as well as cysteine residues whereas the quaternary type structure is determined by multiple subunits of a protein that undergo various interactions.
Hydrogen bonds exist in a protein molecule as its large number can form between adjacent regions of the polypeptide chain in folded form and stabilize its three-dimensional kind of shape.
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The first deaf african american alumnus of gallaudet to earn a doctorate was _______________ in 1982. shs 222
The first deaf Africans American alumnus of Gallaudet to earn a doctorate was Dr. Glenn B. Anderson in 1982.
Who is Dr. Glenn B. Anderson?As the first Deaf African-American doctor in the United States, Dr. Glenn B. Anderson is well-known in his field.
He was born and reared on Chicago's South Side, and at the age of seven, he lost his hearing. His parents advised him "you have to be twice as excellent as everyone else to succeed" when they encountered difficulties and challenges in his early life.
Dr. Anderson graduated with a bachelor's degree in psychology from what was then the Gallaudet College in 1968, and he then went on to the University of Arizona to get a master's degree in rehabilitation counseling.
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Which hypothesis of Thomson's atomic model was later found to be not true by Niels Bohr and why?
In 1904, J.J. Thomson published the Thomson model of the atom. The plum pudding model is often referred to as Thomson's model.
In 1897, he also made the electron discovery. Scientists Rutherford and Bohr subsequently refuted this theory. According to J.J. Thomson, an atom is a positively charged sphere with embedded negatively charged electrons.
Neils Bohr disproved it by demonstrating that any atom's mass is centred in its positively charged centre, while negatively charged electrons orbit the positive centre. In highly quantized energy levels, according to Bohr's theory, electrons orbit an atom's nucleus rather than being incorporated into it.
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Which of the amino acids could form a hydrogen bond with another amino acid in the chain to stablaize the secondary structure of a b-pleated sheet?
All of the amino acids could form a hydrogen bond with another amino acid in the chain to stabilize the secondary structure of a b-pleated sheet.
Protein is composed of amino acid linked with peptide bond.
Hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (H), covalently bound to a highly electronegative atom such as flourine (F), oxygen (O) and nitrogen (N) atoms.
In a beta-pleated sheet, hydrogen bonds are formed between carbonyl and amino groups of backbone (see the picture below).
Usually, amino acid proline is found in the edge strands in beta-sheets. Beta-branched amino acids valine, threonine and isoleucine and aromatic amino acid residues tryptophan, tyrosine and phenylalanine are found middle of beta-sheets.
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What is the composition, in atom percent, of an alloy that consists of 90.5 wt g and 9.5 wtu? the atomic weights for silver and copper are 107.87 and 63.55 g/mol, respectively.
The composition, in atom percent, of an alloy that consists 90.5 wt Ag and 9.5 wt Cu is 84.5% and 15.2%.
Here, the lever rule is used to determine the composition of co-existing phases which are, Ag and Cu, of an alloy.
The given data is :
Atomic weight of silver (Ag), M(Ag) = 107.87 g/molAtomic weight of copper (Cu), M(Cu) = 63.55 g/molWeight percent of silver (Ag), W(Ag) = 90.5 wtWeight percent of copper (Cu), W(Cu) =9.5 wtTo calculate composition of silver, expression used is,
C(Ag) = W(Ag) × M(Cu) x 100
( W(Ag) × M(Cu) + W(Cu) × M(Ag) )
Substituting the values in the above expression,
C(Ag) = ( 90.5 × 63.55 ) x 100
( 90.5 × 63.55 + 9.5 × 107.87 )
C(Ag) = 84.5%
To calculate composition of copper, expression used is,
C(Cu) = W(Cu) × M(Ag) x 100
( W(Ag) × M(Cu) + W(Cu) × M(Ag) )
Substituting the values in above expression,
C(Cu) = (9.5 × 107.87) x 100
( 90.5 × 63.55 + 9.5 × 107.87 )
C(Cu) = 15.2%
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What diameter water pipe is required to handle 0.075 m3/s and a 500 kpa pressure drop? the pipe length is 175 m, and roughness is 2.5 mm.
The diameter water pipe is required to handle 0.075 m3/s and a 500 kpa pressure drop is 149.4mm.
The force applied perpendicularly to an object's surface, denoted by the symbol p or P, is stated to be applied per unit area that the force is claimed to be dispersed over. The pressure that is supposed to be related to the ambient pressure is called the gauge pressure, also known as gauge pressure.
[tex]Q=0.075m^3/s[/tex]
ΔP=500kPa
L=175m
e=2.5mm
Properties of water :
[tex]\rho=1000kg/m^3[/tex]
[tex]\mu=0.001N-s/m^2[/tex]
Reynold's number Re=ρVD/μ
where V= Q/A=Q/(π/4)[tex]D^2[/tex]=4Q/π[tex]D^2[/tex]
Re=(ρ(4Q/π[tex]D^2[/tex])D)/μ
=4ρQ/πDμ=4(1000kg/[tex]m^2[/tex])(0.075[tex]m^3[/tex]/s)/πD(0.001N-s/[tex]m^2[/tex])
Re=(95492.966/D)
Darcy friction formula
f=1.325/[ln(e/3.70+5.74/[tex]Re^{0.9}[/tex])[tex]]^2[/tex]
f=1.325/[ln(e/3.70+5.74/(95492.966/D[tex])^{0.9}[/tex])[tex]]^2[/tex]____(1)
from, [tex]h_L[/tex]=8fL[tex]Q^2[/tex]/g[tex]D^2[/tex][tex]\pi^2[/tex]
Δρ/ρμ=8FL[tex]Q^2[/tex]/[tex]\pi^2[/tex]g[tex]D^5[/tex]
500×[tex]10^3[/tex]Pa/(1000kg/[tex]m^3[/tex])=8f(175m)(0.075[tex]m^3[/tex]/s[tex])^2[/tex]/[tex]\pi^2[/tex][tex]D^5[/tex]
f/[tex]D^5[/tex]=626.642
f=626.642[tex]D^5[/tex]_____(2)
solving equation 1 and 2
we get f=0.0467 and D=0.1494m
D=149.4mm
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If the reaction occurs with an 73. 9% yield, what mass of iron should be reacted to produce 63. 0 grams of fe2o3?.
If reaction occurs with an 73.9% yield, the mass of iron which should be reacted to produce 63.0 g of Fe₂O₃ is 59.1 g
The balanced chemical equation of the reaction is :
4Fe + 3O₂ → 2Fe₂O₃
Molar ratio of iron and Fe₂O₃ is 4 : 2
For a reaction having 100 % yield, every 4 mole of iron will produce 2 moles of Fe₂O₃.
So, 63.0 g of Fe₂O₃ is produced by reaction. Let's use molar mass of Fe₂O₃ , which is 159.6 g/mol to find out number of moles produced.
moles = 63.0 g = 0.39 mol
159.6 g/mol
moles of iron needed if % yield is 100.
= 0.39 mol x 4 mol
2 mol
= 0.78 mol Fe
Since given percentage yield is 73.9%, more Fe is reacted.
% yield = actual yield x 100
theoretical yield
73.9 % = 63.0 g x 100
theoretical yield
Theoretical yield = 85.2 g
So, to find out mass of iron reacted to theoretically produce 85.2 g Fe₂O₃
Use molar mass of Fe and mole ratio of two compounds.
moles = 85.2 g = 0.53 moles Fe₂O₃
159.6 g/mol
using this,
= 0.53 Fe₂O₃ x 4 moles Fe
2 moles Fe₂O₃
= 1.06 moles Fe
So,
The mass of iron = ( 1.06 x 55.8 )g
= 59.1 g
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10. A solid block of substance is 74.0 cm x 55.0 cm x 35.0 cm and has a mass of 569 kg. Assuming that it did not
chemically react with water or dissolve in it, would it float in the water? Remember to change kg to g. Show your work!
The object would not float but sink in water.
What is density?The term density refers to the ratio of the mass to the volume of a body. Now that we know that the density of water is 1 g/cm^3. A substance that would float in water must have a lower density than that of water.
Thus;
Mass of the object = 569 kg or 569000 g
Volume of the object = 74.0 cm x 55.0 cm x 35.0 cm = 142450cm^3
Density of the object = mass/ volume = 569000 g/142450cm^3
= 3.99 g/cm^3
Hence, the object would not float but sink in water.
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Which model of the atom has electrons traveling in specific paths around the nucleus?
Answer:
Bohr's model of hydrogen is based on the nonclassical assumption that electrons travel in specific shells, or orbits, around the nucleus.
Explanation:
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how many significant figures of .00000281 mA
Answer:
3 Significant Figures.
Explanation:
The zeros to the left of non-zero numbers are Leading Zeros. These zeros are NOT significant. They serve as placeholders to locate the decimal point.
Answer:
3
Explanation:
To determine the number of significant figures in a number use the following 3 rules:
Non-zero digits are always significant
Any zeros between two significant digits are significant
A final zero or trailing zeros in the decimal portion ONLY are significant
Example: .500 or .632000 the zeros are significant
.006 or .000968 the zeros are NOT significant
F an object weighs 38.325 lbs, what would be the mass in grams? (2.20 lbs = 1 kg)
If an object weighs 38.325 lbs = 17,400 g would be mass in grams
Define massIn physics, mass is a numerical representation of inertia, which is a basic characteristic of all matter. The resistance a body of matter offers to a change in its speed or location as a result of the application of a force is what it is in essence. The change a force applies produces a change that is smaller the more mass a body has.
The kilogram, which is defined in terms of Planck's constant as equal to 6.62607015 × 10^ -34 joule second, is the unit of mass in the International System of Units (SI). One kilogram times one square meter per second squared is equivalent to one joule.
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an ion with one more proton and two more neutrons as an atom of Ne-20 but the same number of electrons?
The ion is sodium ion.
What is the ion?An ion is obtained by the removal of an electron from an atom. An ion could be positively charged or negatively charged. If the ion contains more electrons than protons then it is positively charged and vice versa.
An ion is positive when electrons are lost and the ion is negative when electrons are gained. In a negative charge, the electron cloud spreads out and the ion becomes larger. When we have a positive ion, the ion is smaller than the neutral atom.
Now, we can see that neon has an atomic number of 20 thus it has 10 electrons. If the ion contains one more proton then the atomic number of the element is 11. We are told that it contains two more neutrons hence the mass number is 22.
Given that the both species have the same number of electrons thus the ion must be sodium ion.
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How many residues separate amino acids that are stabilized by hydrogen bonds in α helices?.
The number of residues separated amino acids that are stabilized by hydrogen bond in α helices is 3.6 amino acids residue.
When the two or more amino acid combine to form a peptide and the water is removed then the remain of each amino acid is called amino - acids residue.
The amino group of one amino acid interacts with carboxyl group of other amino acid to form peptide bond.
The α helix is stabilized by hydrogen bonds between the carbonyl oxygen and amino group of every third residue in the helical turn and with each helical turn consists 3.6 amino group.
Thus, alpha - helices have 3.6 amino acids residue per turn. This means that helix 36 amino acids long form 10 turns.
Therefore, number of residues separated amino acids that are stabilized by hydrogen bond in α helices is 3.6 amino acids residue.
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How many moles are there in 250g of calcium carbonate
Answer:2.5 mol
Explanation:
Does average mass depend on the number of particles in the sample? What are the advantages and disadvantages of using the “average-of-averages” mass to calculate the expected mass of 100 particles?
(A lab on small scale matter and mole)
As long as the sample has the same number of atoms for both elements, the mass ratio is independent of the sample size.
The arithmetic mean is calculated by adding a set of numbers, dividing by their count, and then taking the result. The molecular masses of different substances vary. Therefore, variable numbers of atoms, molecules, or moles exist in masses of equal mass. On the other hand, equal quantities of moles of different substances have different masses. The result will be disproportionately impacted by the one data point if you attempt to calculate an "average of averages". In essence, the value of the average of 10,000 data points is the same as that of the average of a single data point.
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Water has more structure than other liquids because of its ability to form hydrogen bonds. Because of this phenomena, water expresses a relatively high __________, which allows it to cushion and protect the body’s structures.
Water has more structure than other liquids due to its ability to form hydrogen bonds. due to this phenomena, water expresses a comparatively high density , which allows it to cushion and protect the body’s structures.
What causes density?
The density of a substance is that the relationship between the mass of the substance and how much space it takes up (volume). The mass of atoms, their size, and the way they are arranged determine the density of a substance. Density equals the mass of the substance divided by its volume; D = m/v.
Why is density important?
Density is a crucial concept because it allows us to determine what substances will float and what substances will sink when placed in a liquid. Generally, substances float goodbye as their density is less than the density of the liquid they are placed in.
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Which solution is more concentrated: a 100 mm solution of glucose (c6h12o6) or a 0.1 m solution of glucose?
Solute : The minor component in a solution mixed in the solvent. Example - Salt, Sugar, Carbon dioxide (CO2) , Acetic acid etc.
Solvent : The substances that are used to disslove solutes ( this may be in the form of solid, liquid and gases) is known as solvent. Example : Water, Milk, Air , Ethanol, Methanol etc.
Solution : A solution is a homongeneous composition of one or more solutes mixed in a solvent. Example : Salt Water, Sugar mixed in water, Alcohol in water etc.
Types of Solution : Hypotonic , Isotonic, Hypertonic.
According tov question,
100 mm solution of glucose is more concentrated than 0.1 m solution of glucose because when we try to find the molality of 100 mm solution it is 0.617 m hence 100 mm solution of glucose is greater.
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Given that water is the solvent for this type of experiment, what is the best site for tritium labeling?.
The best site for tritium labeling would not exchange the tritium ions for protons in water. All of the N−H sites (II−IV) would readily exchange tritium protons due to their lone pair-facilitating protonation and subsequent tritium exchange with water, but the C−H site (I), lacking a lone pair, would retain its tritium label.
Water is an inorganic, clear, tasteless, odorless, nearly colorless chemical substance that is the main component of the earth's hydrosphere and the fluid of all known living organisms. Although it provides no food, energy, or organic micronutrients, it is essential to all known forms of life.
There are three atoms in the water molecule. Two hydrogen atoms (H) and one oxygen atom (O). This is why water is sometimes called H2O. One drop of water contains billions of water molecules. Water is wet in the sense that it is a highly mobile liquid. This is because the molecules are fairly loosely bound and thus have low viscosity.
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In chemical communication between cells, a ________ cell secretes a chemical messenger that binds to ________ on the ________ cell.
In chemical communication between cells, a secretory cell secretes a chemical messenger that binds to receptors on the target cell.
Cells are the basic building blocks of all living things. The human body is made up of trillions of cells. They give structure to the body, absorb nutrients from food, convert those nutrients into energy, and perform specific functions. In multicellular organisms, such as higher plants and animals, specialized cell groups are organized into tissues and organs.
Cells can be used as the basis for describing organisms as unicellular or multicellular. Unicellular organisms are organisms that have only one cell, i.e. single-celled organisms. Prokaryotes and protists are examples. Multicellular organisms are organisms with more than one cell. Examples are plants and animals.
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check the box next to each image that represents a substance that is a mixture
Please help and make it a good answer!
Control Experiment: Those experiment where a control is taken as a reference to notice the changes in same reaction in the presence of external stress.
Need for a control in a experiment: The control is required to analyse the effect of stress applied to reaction. For e.g. If there are two compounds AB and XY & they are undergoing displacement reaction to form AX & BY, But all sudden another salt let MN is added into the reaction then there are possibilities of formation of different products depending upon the reactivity of initial reactants and external compound. The product can be same as our Control i.e. AB & XY if MN remains inert in the reaction. That's why control is important to compare the results.
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Which elements on the periodic table are not reactive? Why?
Answer:
Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. They have eight valence electrons, which fill their outer energy level.
Explanation:
Answer:
Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level.
