The density of the shot put can be given as 24.2 g/cm^3.
What is the density?We know that the density is obtained as the ratio of the mass to the volume of the object. We know that the volume is an intrinsic property hence it can be used to be able to obtain the properties of the material that is in question
Now we have some information about the material that has been discussed in the question. We are told that the mass of the object is 7250 grams and the volume of the object is 300.0 cm3.
Given the fact that we have these parameters about the question, we can now be able to obtain the density of the material by the use of the formula that can be applied for density as;
Density = mass/volume
Density =7250 grams/ 300.0 cm3
= 24.2 g/cm^3
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The idea stating that matter is made up of small particles that are in constant motion is.
The Kinetic Molecular Theory, which can help explain the behavior of motion in gases, liquids, and solids.
Discard The Beaker And Mix Solutions To Prepare A Calcium Salt With PH > 7.
One must first discard the beaker that they are using in order to make a calcium salt with a pH higher than 7. This is because the pH of the solution can be affected by the material of the beaker, and we want to make sure that the pH is not influenced by any contaminants.
Next, we will need to mix together the appropriate solutions to create the calcium salt. The specific solutions that we will need to use will depend on the type of calcium salt that you want to prepare. For example, we may need to use a solution of calcium chloride and a solution of sodium hydroxide to create calcium hydroxide salt.
Once we have mixed the solutions together, we should test the pH of the resulting solution to ensure that it is greater than 7. If the pH is not at the desired level, we may need to adjust the concentrations of the solutions or add additional chemicals to bring the pH to the desired level.
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there are four branched isomers of hexane. draw bond-line structures of all four of its isomers.
There are chain isomer of hexane, which include both branched and straight chain.
Compounds with the same molecular formula but a distinct structural formula are known as isomers. The structural isomers are those that differ in the atomic arrangement of the molecules without any consideration of the spatial arrangement. Structural isomerism is the term for this phenomena of these structural isomers. A hydrocarbon compound with the chemical formula of hexane. Five distinct isomer types of hexane are possible.
A five-carbon chain with one methyl branch on the second is called 2-Methylpentane (Isohexane). A five-carbon chain with one methyl branch on the third is called 3-methylpentane. Four-carbon chain with one methyl branch on the second and third is known as 2,3-dimethylbutane. Neohexane, a four-carbon chain with two methyl branching on the second, is 2,2-dimethylbutane.
Hence, isomer have different spatial arrangement and same chemical formula.
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What temp kills E coli in water?
At temperatures above 149°F (65°C), according to a trusted source from the World Health Organization (WHO), bacteria are quickly destroyed. This temperature is lower than either simmering water or even boiling water.
What is the main purpose of world health organization?WHO works internationally to advance health, ensure global security, and assist the weak. Our objective is to ensure that a further billion people have access to universal health coverage, that another billion are shielded from medical emergencies, and that a third billion enjoy better health and wellbeing.
What is the full meaning of health?Well-being is a complete state of physical, mental, and social well-being, not simply the absence of illness or disability.
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What is the osmotic pressure of 2.00 g of sucrose dissolved in 100 ml water at 30 C?
Osmotic pressure of that sucrose solution at 30°C is 1.42 atm.
What is osmotic pressure?
The minimum pressure that must be applied to a solution in order to halt the flow of solvent molecules through a semipermeable membrane (osmosis) is known as osmotic pressure.
According to the given question:
The first step is convert the grams of sucrose into moles.
Moles sucrose = 2.00 g/ 342.3 g/mol = 5.84 x 10⁻³ moles
Molarity of sucrose solution = 5.84 x 10⁻³/ 0.1 L = 0.0584 M
The next step is to use the equation for osmotic pressure (Π):
Π = MRT
where
M = molarity of solution = 0.0584 mol
R = ideal gas constant = 0.0802 L atm/mol K
T = temperature (in Kelvin)
= 30°C + 273.15 K = 303.15 K
Π = (0.0584 mol/L)(0.0802 L atm/ mol K)(303.15 K)
Π = 1.42 atm
The final answer is that osmotic pressure of that sucrose solution at 30°C is 1.42 atm.
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What is the end result of the Krebs cycle?
According to question, oxaloacetic acid is the end result of the Krebs cycle .
The cycle transforms the chemical energy of acetyl coenzyme A (acetyl CoA) into nicotinamide adenine dinucleotide's reducing force (NADH). The tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the main source of energy for cells and a crucial stage in aerobic respiration.
The Krebs cycle, also known as the tricarboxylic acid cycle or the citric acid cycle, is the central component of cellular metabolism and is crucial for the production of both energy and biomolecules. It helps the synthesis of ATP while completing the sugar cleavage work that was started during glycolysis.
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Identify all of the chirality centers in the structure. The chirality centers are: DA DB DC DE F NH OH H Н O DI Он OK OL 8 ON OM 00 00 UP OR
A, B, C, G, I, J, K, M, N, P, and R are the chirality centers.There should be four distinct functional groups affixed to chiral centres. Since D and E have a double bond that prevents them from having four separate functional groups, they are not chiral centers.
What is chirality ?When a molecule is chiral, it means that its mirror image—it must have one—is not the same as itself. Chirality is basically defined as "mirror-image, non-superimposable molecules."
The molecule is referred to as chiral if no combination of translations or rotations can superimpose the molecule's image on its mirror counterpart. Chiral compounds are defined as those that contain the Chiral Centre.
F doesn't qualify as a chiral centre since it has two methyl groups attached, which defeats the requirement that a centre have four "distinct" functional groups.
Due to the two connected Hydrogens, the chiral centres H, O, and Q are not.
Due to a double certificate of indebtedness with oxygen, L does not have a chiral centre.
Thus, A, B, C, G, I, J, K, M, N, P, and R are the chirality centers.
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How to calculate the RMS value?
Square each value, add up the squares (which are all positive) and divide by the number of samples to find the average square or mean square. Then take the square root of that.
What is RMS value?In math and its applications, the root mean square of a bunch of numbers is characterized as the square foundation of the mean square (number-crunching mean of squares) of that set. RMS, likewise called root mean square, is an extraordinary instance of summed up mean. The RMS worth of a constantly shifting capability can be characterized as the basic of the square of the prompt worth more than one cycle.
For AC current, RMS rises to the worth of consistent DC current that delivers a similar power utilization with a resistive burden. In assessment hypothesis, the root mean square blunder of an assessor is a proportion of the blemish of the assessor's fit to the information.
Square each worth, include the squares (which are positive) and separation by the quantity of tests to view as the normal square or mean square. Then, at that point, take the square base of
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What type of bond are found between potassium and chlorine?
Answer: Ionic bond
Explanation:
Therefore, the type of chemical bond found in Potassium chloride is an Ionic bond.
Answer:4,3,2,and 1 bond
Explanation:carbon nitrogen and oxygen and chlorine added together have 10 bonds
IF I have 84.107 grams of Hydrogen
and 4.672 grams.
of water
can
of oxygen how many grams.
be formed
IF I have 84.107 grams of Hydrogen and 4.672 grams of water can of oxygen 4.153 gms be formed.
What is hydrogen?Methane, often known as natural gas, may be replaced with hydrogen, a clean fuel. It is the most prevalent chemical element and is thought to make about 75% of the universe's mass. Numerous hydrogen atoms may be found in water, plants, animals, and, of course, people here on earth.
Water is a liquid that facilitates the chemistry of life. Additionally, because it is a polar molecule, most other molecules may dissolve in it. As a result, we refer to water as a "solvent".
The decomposition of water is given as:
2H₂O → 2H₂ + O₂
36 gm 4 gm 32 gm
4.672 gm 84.107 gm
Thus, from 36 gm of water oxygen produced 32 gm.
So, from 4.672 gm of water oxygen produced 4.153 gm.
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Why does oxygen have a 2 next to it?
Answer: In the above reaction oxygen is written as O2 because it is diatomic.
Explanation:
Chemistry
Can you answer these for me please
Among the given elements, fluorine is the most electronegative and the outer shell electrons are greatly attracted y the nucleus for the same reason, fluorine is more reactive than bromine. magnesium is more reactive than calcium because, Ca contains more inner electrons and experience shielding effect.
What is electronegativity?Electronegativity is the ability of an atomic nucleus to attracts its own electrons as well as the bonded electrons. Fluorine is the most electronegative element in periodic table.
F is more prone to be reactive since it needs gain an electrons to achieve stability. Cl has the same number valence electrons and but it contains more inner electron which shield each other. The most electronegative F will be more reactive in the group. For the same reason F is more reactive than Br also.
Potassium is more reactive than lithium because, potassium contains more loosely bound electron in its valence shell. Hence, it can be easily lose that electron through chemical bonding.
Magnesium is less reactive than Ca because, its valence electrons are more close to the nucleus. Whereas, Ca has one more shell in which the valence electrons are located which can be easily participated in bonding.
Similarly, oxygen is more reactive than sulfur, because, oxygen is highly electronegative and it tends to gain two electrons by reaction.
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What are the properties of sodium bicarbonate?
Some of the properties of sodium bicarbonate are it is a white crystalline powder which can sometimes forms lumps. It is odorless and has a bitter, salty taste. At room temperature sodium bicarbonate it is a solid.
It is soluble in water and can be removed from water by the chemical process known as evaporation.
Some applications of this compound is in the baking, cleaning and deodorizing industries.
They are alkaline in nature and releases gas such as CO2 when involved in an acid - base reaction.
Sodium bicarbonate decomposes, or gets separated to form carbon dioxide (CO2) and water (H2O) with small amounts of sodium carbonate (NaCO3).
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Is oxygen the deadliest gas?
Answer: Nitrogen is the deadliest gas
Explanation:
It is the most prevalent gas in the atmosphere. Nitrogen comprises more than 75% of the air we breathe. Therefore, N2 is the most lethal of all destructive, dangerous, and toxic gases. Since it is the gas that we breathe in the most, it is found abundantly in the atmosphere.
2. why did the beaker for the naoh solution need to be dry before filling with the naoh titrant? of the beaker still contained water, would your final estimate of the mass % acetic acid in vinegar be too high or too low?
The titration of the standardized sodium hydroxide solution with an acid will result in a delayed endpoint or a positive bias if we use a beaker with leftover water.
Why is it necessary to standardize NaOH before titration?To determine the precise concentration of a solution whose concentration is uncertain, a NaOH N an O H solution must be standardized. To get an equivalency point and determine the unknown concentration, we titrate a known volume of NaOH N an O H with an acid in a flask during standardization.
What is the maximum permissible level of acetic acid in vinegar?Acetic acid, also known as ethanol, is a weak organic acid (carboxylic acid). The Food and Drug Administration (FDA) regulates vinegar, which needs to have a minimum acidity of 5% in order to be considered legal.
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which of the following is the most stable radical
how many grams of water react to form 6.21 moles of ca(oh)2? cao(s) + h2o(l) → ca(oh)2(s)
Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 111.78g of water react to form 6.21 moles of Ca(OH)[tex]_2[/tex].
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,
mole =given mass ÷ molar mass
CaO(s) + H[tex]_2[/tex]O(l) → Ca(OH)[tex]_2[/tex]
moles of Ca(OH)[tex]_2[/tex] =6.21 moles
To produce 1 mole of Ca(OH)[tex]_2[/tex], 1 mole of H[tex]_2[/tex]O(l) is required.
mole of water =6.21 moles
mass of water=6.21 moles ×18
=111.78g
Therefore, 111.78g of water react to form 6.21 moles of Ca(OH)[tex]_2[/tex].
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choose all eclipsed conformers that result from rotation about the c-2−c-3 bond of pentane.
Options 1, 4, and 6 are eclipsed conformations.
An eclipsed conformation is one in which 2 substituents Y and X on adjacent atoms A and B are closest together, implying that torsion angle X-A-B-Y is 0°. In other words, one‘s axes of rotation bonds are aligned. This arrangement is also referred to as a conformation.
A conformation of this type can exist in just about any open chain, a single chemical bond connect the two sp3-hybridized atoms, and it has normally a conformational power maximum. This maximum is frequently explained by steric hindrance, but its origins can also be found in hyperconjugation .
To gain a better understanding of eclipsed conformations throughout organic chemistry, it is necessary to first understand how organic molecules are organized around bonds, in addition to how they move and rotate.
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A chemist wants to build a model of an element using a box. What should the box be filled with to show the relationship between atoms and elements?.
To show the relationship between atoms and elements, the chemist should fill the model with: A. All red marbles because an element is made up of the same atoms.
What is the relationship between atom and element?An atom is the smallest unit of matter whereas an element is the simplest form of a substance composed of only one type of atom. For example, a chemist wants to build a model of a hydrogen element with marbles in a box. So, they should fill the box with only one type of marble (for example, all red marbles) to represent that hydrogen elements are composed of only hydrogen atoms.
This question is incomplete. The complete query is as follows:
“A chemist wants to model an element using a box filled with marbles. What should the box be filled with to show the relationship between atoms and elements?
A. All red marbles because an element is made up of the same atoms.B. An equal number of red and blue marbles because an element is made up of an equal ratio of atoms.C. An equal number of red and blue marbles because bonds form between atoms that have different properties.”Learn more about atoms and elements here https://brainly.com/question/28424113
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What is CO2 used for in industry?
As an example of how CO2 is utilized in industry, it is employed as an inert gas in welders and flame extinguishers, as just a pressurizing gas for air cannons and oil recovery, as a supercritical solvent in coffee decaffeination and supercritical drying.
What is the purpose of CO2?Chemical intermediaries, such as methanol, syngas, & formic acid, can be produced from CO2 using a variety of catalysts. These molecules subsequently act as feedstocks in those other industrial processes.Additionally, CO2 can be converted by catalysts to polymers, which serve as building blocks for plastics, adhesives, & medications.
What is the industrial usage of carbon?The creation of ethanol, fertilizer, natural gas processing, hydrogen synthesis in refineries, and, most recently, coal-fired power generation are among the industrial processes where large-scale carbon capture has been shown and is currently in use.
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In one to two sentences, describe an experiment that would show that intramolecular forces (attractions between atoms within molecules) are stronger than intermolecular forces (attractions between molecules)
In order to demonstrate that intramolecular forces are stronger than intermolecular forces, a block of ice will be heated in a sealed container until it turns into steam.
Why do intramolecular forces outweigh intermolecular forces?
Because the forces holding together compounds are stronger than the forces holding together molecules, intramolecular forces are stronger than intermolecular forces.
Intermolecular forces exist between molecules, but intramolecular forces exist between atoms within a molecule. This is the primary distinction between intermolecular and intramolecular forces.
Look for the molecule with the most polarity, the most electronegative atoms, or the most hydrogen bonding groups if the molecules have identical molar weights and similar intermolecular forces. That one will have the overall stronger IMFs.
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I need help with this question I can’t find the answer to it
Classify each molecular art as an element or a compound. Element Compound
The balls with same color are considered to be atoms of same elements. Then, A, C, D, E are compounds and B and F are molecules.
What are compounds?Compounds are combinations of atoms of different elements. Atoms combine together through a type of bonding such as ionic bond, covalent bond, hydrogen bond etc.
Molecules are formed by atoms of same elements. They are called as molecules of an element. For example H₂, O₂, N₃ etc are molecules. H₂O, CO₂,etc are compounds.
The balls with the same colors are atoms of same element. The model with balls of different colors are compounds. Hence, A, C, D and E are compounds and B and F are molecules.
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What is the ratio of rms velocity?
The ratio of root mean square velocity to average velocity of a gas molecule at a particular temperature is: 1.086:1.
What is ratio of RMS velocity yo average velocity of gas molecule?
RMS is root mean Square can be defined as square root of the mean square. It is the arithmetic mean of the squares of group of values.
In kinetic theory of gases, the RMS of the speed pf particles in a gas can be defined by
Vrms= √ 3RT/M
T is the temperature
R is the gas constant
M is the molar mass of the gas
Calculation:Here, we will apply Maxwell-Boltzmann Distribution,
Given Vrms= √(3RT/M)
Average speed Vavg= √8RT/πM
Thus, dividing the two
Vrms/Vavg = √(3RT/M )/(8RT/πM)
Vrns/Vavg = √3π/8
Vrms/Vavg=1.086:1
The ratio of root mean square velocity to average velocity of a gas molecule at a particular temperature is: 1.086:1.
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In an ionic or covalent substance, electrons are shared or transferred between no more than two atoms at a time. however, in a metallic substance, electrons are shared among all of the metal atoms in the sample. how does this explain why metals are more malleable and ductile than ionic and covalent compounds?
Metals are more malleable and ductile than ionic and covalent compounds because the electrons are shared among all of the metal atoms in the sample, forming a "sea" of electrons that surrounds the metal ions.
All of the metal atoms in a metallic composition share electrons, creating a "sea" of electrons that envelops the metal ions. Many of the distinctive characteristics of metals, such as their high conductivity, malleability, and ductility, can be attributed to this electron sea.
A metallic substance's electron sea makes it simple for metal ions to move past one another and distort the metal without breaking it. Ionic and covalent compounds, on the other hand, are held together by powerful chemical bonds, making it more challenging to distort these substances without rupturing the connections. Since ionic and covalent compounds are less malleable and ductile than metals, this explains why.
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Determine the isotope symbol that fits each description. a. 68 neutrons, 47 electrons b. mass number = 197, 79 electrons c. atomic number = 86, 136 neutrons d. atomic number = 76, mass number = 192
The isotope symbol that fits each description is as follows: 68 neutrons, 47 electrons is Ag b. mass number = 197, 79 electrons is Au c. atomic number = 86, 136 neutrons is Rn d. atomic number = 76, mass number = 192 is Os.
Isotopes are two or more atom types that share the same atomic number (number of protons in their nuclei), location in the periodic table, and chemical element but have distinct nucleon numbers (mass numbers) as a result of having a different number of neutrons in their nuclei. Although the chemical properties of each isotope of a given element are nearly identical, they differ in their atomic weights and physical characteristics.
The name "isotope" refers to the fact that different isotopes of the same element occupy the same location on the periodic table. The word "isotope" is derived from Greek origins that mean "the same place".
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When dichlorocarbene is generated in the presence of an atkene. a dichlorocyclopropane is formed. Write the complete stepwise mechanism for the formation of dichlorocarbene, CCl2. Show all intermediate structures and show all electron flow with arrows. Draw the complete Lewis electron dot structure for dichlorocarbene, CCl2.
Dichlorocarbene is an intermediate species which is formed from the reaction of trichloromethane with a base. The intermediate CCl₃ further loss a Cl formes CCl₂.
What is dichlorocarbene?The reactive intermediate with the chemical formula CCl₂ is called dichlorocarbene. Despite not having been isolated, this chemical species is a typical intermediate in organic chemistry since it is produced from chloroform. This twisted diamagnetic molecule enters other bonds quickly.
Carbenes contains two electrons in their valence shell and they are highly reactive and therefore used in many synthetic reactions.
CHCl₃ on reaction with a strong base such as NaOH produce the intermediate anion CCl₃⁻ by the elimination of water molecule. This trichlorocarban further eliminates one Cl forms dichlorocarbene.
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True/False. A characteristic of a good cardiac biomarker is that it is normally present in a HIGH concentration in the peripheral blood.
Good cardiac biomarkers typically have a HIGH concentration in the peripheral blood, which is one of their distinguishing traits.
A biomarker that accurately predicts heart injury is one that is normal. The cardiac biomarker levels in your blood are determined by this test. Enzymes, hormones, and proteins are some examples of these markers. After your heart has been put under a lot of stress and has become harmed from not getting enough oxygen, cardiac biomarkers become visible in your blood. This could be the result of a heart attack.
Cardiac indicators are biomarkers that can be used to assess heart health. They may be helpful in the early diagnosis or prediction of disease. Even though they are frequently mentioned in relation to myocardial infarction, other diseases can cause an increase in cardiac.
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Draw the mechanism for the following reaction: Draw step 1 of the mechanism (include lone pairs in your answer and don't explicitly draw hydrogen atoms in the products for this step of mechanism):
The first step of the given reaction is the protonation of the -OH group as shown in the attached diagram.
What is protonation?In chemistry, protonation can be described as the adding of a proton or hydrogen cation to an atom, or molecule forming a conjugate acid.
Protonation can be described as a fundamental reaction and is a step in many stoichiometric and catalytic processes. Some ions and molecules undergo more than one protonation and are referred to as polybasic, which is true of many macromolecules. Protonation and deprotonation occur in most acid-base reactions which are the core of most acid-base reaction theories.
Protonating or deprotonating a molecule change many other properties, not only the charge and mass, for example, solubility, reduction potential, hydrophilicity, and optical properties can change.
In the given reaction the addition of conc. H₂SO₄ will provide the proton to the lone pairs of the oxygen of the hydroxyl group.
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Does lemon juice rust metal?
Yes, lemon juice can cause rust on some metals. Lemon juice is acidic and can corrode some metals, such as iron and steel, when left exposed to air.
What do you mean by Rust?
Rust is a general term for iron oxide, a chemical compound that forms when iron and oxygen react with each other in the presence of water or air moisture. It is a reddish-brown corrosion product that is formed on the surface of metals that contain iron. Rust is an example of corrosion, which is the breakdown of materials due to chemical reactions with their environment.
Lemon juice is acidic and contains citric acid, which can corrode some metals, such as iron and steel, when left exposed to air. The acid in lemon juice reacts with the metal surface, causing the metal to rust. The rusting process can be accelerated by the presence of oxygen, moisture, and salt. The more acidic the lemon juice, the more likely it is to cause rust.
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