CO₂
How to find the chemical or iupac name
Answer: Carbon oxide
Explanation:
Why is helium not the most electronegative elemnt?
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} —}[/tex]
It has no electronegativity because it is a noble gas.
Explanation:
Electronegativity describes an atoms relative tendency to attract a pair of electrons in a molecule. It can be described as a property of an atom within a molecule. As helium is a noble gas it will not react to form molecules and will thus not be in a situation where it would attract a pair of electrons within a molecule.
Hope it helps you!!Answer: As helium is a noble gas it will not react to form molecules and will thus not be in a situation where it would attract a pair of electrons within a molecule.
Explanation:
Which of the following aqueous solutions has highest osmotic pressure at 25 degree Celsius?
A. glucose
B. urea
C. CaCl2
D. KCl
C. CaCl2 following aqueous solutions has highest osmotic pressure at 25 degree Celsius
How is osmotic pressure determined?Temperature and concentration both have an impact on osmotic pressure. Temperature and solute concentration both have an impact on how much pressure is generated when water moves through a membrane. Osmotic pressure rises with temperature and concentration.
By controlling the quantities of electrolytes present in the three main fluids of blood plasma, extracellular fluid, and intracellular fluid, mammalian systems have developed to control osmotic pressure. The volume of these fluid compartments may fluctuate as a result of water movement caused by osmotic pressure across membranes.
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5. in this experiment, 1.0 ml of saturated sodium chloride is used to rinse the hickman head after the initial distillation. why is saturated sodium chloride, rather than pure water, used for this procedure and the subsequent washing of the organic layer?
Saturated sodium chloride is used in this procedure because it helps to separate the organic layer from the aqueous layer.
What is organic layer?
Organic layer is a type of soil layer that includes organic matter such as leaves, wood, roots, and other plant and animal remains. This type of soil is important for agricultural production and is also beneficial to the environment. Organic layer is also known as top soil or humus. It is the most fertile and nutrient rich soil layer, due to the presence of the decomposing organic matter. Organic layer helps to regulate soil temperature and moisture, improve soil structure and aeration, and provide essential nutrients for plant growth. It also helps to reduce erosion, improve water-holding capacity, and keep soil particles in place. Organic layer also helps to increase the biodiversity of the soil, as it provides a habitat for beneficial microorganisms and other organisms. Organic layer is an important part of any healthy soil system.
The sodium chloride solution has a higher density than water and helps to ensure that the two layers remain distinct. Additionally, the sodium chloride helps to break the surface tension between the two layers, making it easier to separate them.
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the chemical formula of the trace metal detection fluid used in this exercise is onc10h6oh. based on what you observed about the reaction on your skin, what is happening in this reaction at a chemical level? (additional research may be necessary to answer this question.)
The chemical formula of the trace metal detection fluid used in this exercise is onc10h6oh. Chemical reactions involve the breaking and forming of chemical bonds between atoms in this reaction at a chemical level.
Without more information, it is not possible to accurately determine what is happening in the chemical reaction between the trace metal detection fluid and your skin. The chemical formula C10H6OH suggests that the trace metal detection fluid is a compound containing 10 carbon atoms, 6 hydrogen atoms, and 1 oxygen atom, which could be any number of compounds. In order to accurately determine what is happening in the chemical reaction between the trace metal detection fluid and your skin, it would be necessary to have additional information about the chemical and physical properties of the trace metal detection fluid, as well as the specific observations you made about the reaction on your skin.
In general, chemical reactions involve the breaking and forming of chemical bonds between atoms, resulting in the formation of new compounds. When a chemical reaction occurs on your skin, it may involve the transfer of atoms or molecules between your skin and the chemical, or it may involve the formation of new compounds on the surface of your skin. To determine what is happening in the chemical reaction between the trace metal detection fluid and your skin, you would need to perform additional tests and analyses to identify the specific reactants and products involved in the reaction, and to understand the mechanisms and kinetics of the reaction.
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Why is Cl^− a Lewis base?
Cl− is a Lewis base because it donates a nonbonding electron pair.
What is a Lewis base?So any species with a filled orbital containing an electron pair that is not involved in bonding but has the potential to establish a dative bond with a Lewis acid to produce a Lewis adduct is considered a Lewis base. Because it can transfer its single pair of electrons, NH3 is a Lewis base. Trimethylborane (Me3B), which may receive a lone pair, is a Lewis acid. A dative bond is created in a Lewis adduct when the Lewis base and acid share an electron pair. A lone pair from NH3 will establish a dative bond with the vacant orbital of Me3B during a specific chemical reaction involving NH3 and Me3B to create the adduct NH3•BMe3.
Cl− is a Lewis base because it donates a nonbonding electron pair.
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Naphthalene (moth balls) contains 93.7% carbon and 6.3% hydrogen. The molar mass of naphthalene is 128 g/mol. Determine the empirical and molecular formulas for naphthalene.
Molecular formula naphthalene is C₁₀H₈ and empirical formula naphthalene is C₅H₄
What is molecular and empirical formula?Molecular formulas tells how many atoms of each element are present in a compound whereas empirical formulas tells the simplest or reduced ratio of elements in a compound.
Given, 93.7 g of Carbon
and 6.3 g of H
In 100 g of naphthalene we have 93.7 g of Carbon and 6.3 g of Hydrogen
So, in 128 g of naphthalene we will have:
128 . 93.7 / 100 = 120 g of C
128. 6.3 / 100 = 8 g of H
Convert mass to moles,
120 g . 1mol / 12 g = 10 moles C
8 g . 1mol/ 1g = 8 moles H
Hence, Molecular formula naphthalene becomes C₁₀H₈
and Empirical formula naphthalene becomes C₅H₄.
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what mass of a 0.1500% solution can be made from 0.2755 g of potassium iodide? b. a 750. ml bottle of merlot is 185 ppm in sodium sulfite. if the density of the wine is 0.992 g/ml, how many grams of sodium sulfite are in the bottle of merlot? c. a 375 ml solution is 0.486 m in sodium acetate. how many grams of sodium acetate are in the solution? d. how would you prepare 1500. g of a 2.000% sucrose (sugar) mass percent solution to be used for intravenous feeding in a hospital?
10 g of glucose present in 100g of water.
A hospital is a medical facility that provides patient care using specialized medical and medical support staff and medical equipment.
Hospitals and facilities are constructed, staffed, and equipped for the diagnosis of disease. For medical and surgical treatment of the sick and injured. And for their accommodation during this process. Modern hospitals often also serve as a testing and teaching centers.
Hospitals complement and enhance the effectiveness of many other parts of the healthcare system by providing ongoing services for both acute and complex illnesses. They focus scarce resources on a well-planned referral network to efficiently meet the health needs of the population.
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a recursive definition is characteristically a three-step process.
TRUE , a recursive definition is characteristically a three-step process.First, we specify some basic objects in the set
A three-step method is typical of a recursive definition. We start by defining a few fundamental set objects. Then, using the ones we already know, we provide rules for creating other items from the set. Third, we stipulate that the only items that are permitted in the set are those that were made in this manner. A recursive rule for a sequence is a formula that explains how to move from one term in a sequence to the next. The variable typically serves as a symbol for the concept of number. In other words, takes on the values 1 for the first term, 2 for the second term, 3 for the third term, etc.
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How can I convert R-2-bromopentane to a Fisher projection?
The simplest way to convert R-2-bromopentane to a Fisher projection is to draw a Newman projection of the molecule, then convert the Newman projection to a Fischer projection.
To draw a Newman projection, start with a pentane structure and place a bromine atom on the second (R) carbon. The Newman projection should look like a cross with four carbon atoms and a bromine atom in the center. The bromine atom should be facing away from the viewer.
To convert the Newman projection to a Fischer projection, rotate the cross 90 degrees counter-clockwise and draw a line connecting the two ends of the cross. This will produce a Fischer projection with four carbon atoms and a bromine atom at the center. The bromine atom should be facing down.
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what happens to acid when heated
Answer:
What happens to acid when heated? When heated, the pure 100% acid loses sulfur trioxide gas, SO3, until a constant-boiling solution, or azeotrope, containing about 98.5% H2SO4 is formed at 337°C. Hot concentrated sulfuric acid reacts with most metals and with several nonmetals, e.g., sulfur and carbon.
Explanation:
The quantum number defines the shape of an orbital. spin magnetic principal angular momentum psi The subshell contains only one orbital. 5d 6f 4s 3d 1p The angular momentum quantum number is 3 in orbitals. s p d f a The principal quantum number of the first d subshell is 1 2 3 4 0 [Ar]4s^23d^104p^3 is the electron configuration of a(n) atom. As V P Sb Sn
The primary quantum number (n), the orbital angular momentum quantum number (l), the magnetic quantum number (ml), and the electron spin quantum number are the four quantum numbers that make up an atom (ms).
There can be no zero for the main quantum number (n). Therefore, the permitted values for n are 1, 2, 3, 4, and so forth. Any integer between 0 and n – 1 can serve as the angular quantum number (l). For instance, if n = 3, l can be one of 0, 1, or 2. Any integer between -l and +l can be used as the magnetic quantum number (m). The principal quantum number is the first quantum number (n). The energy of an electron is substantially determined by the fundamental quantum number.
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Write the electron configuration for the Te2 ion. Determine which noble gas has the same electron configuration as Te2 ion. 8. 9. Write the electron configuration for elemental sodium, Na. Also, write the electron configuration for sodium ion, Na*. What noble gas element has the same electron configuration as the Na* ion?
Te2 (Te2 ion) is formed when tellurium gains two electrons. As a result, Te2 condensed electron configuration is [Kr]. 4d105s25p6
The noble gas arrangement for TE. [Kr] 4d10 5s2 5p4
The electron configuration of a noble gas is identical to that of a tellurium ion. Xenon
The atomic number of the alkali metal sodium is 11. Therefore, the electrical arrangement will be 1s22s22p63s1.
The sodium ion Na+ is a positive ion. This indicates that it has lost one electron because of the configuration. 11Na+:1s22s22p6.
Thus, the Na+ ion contains 10 electrons, matching the number of electrons that the noble gas neon (Ne) has. As a result, neon (Ne) and the Na+ ion have the identical electron configuration.
What is electronic configuration?
The arrangement of electrons in atomic or molecular orbitals within an atom, molecule, or other physical structure is known as the electron configuration. For instance, the neon atom's electron configuration is 1s2 2s2 2p6, which means that 1, 2 and 6 electrons, respectively, are present in each of the 1s, 2s, and 2p subshells.
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10 The labels from bottles of hydrochloric acid, sodium hydroxide and potassium carbonate solutions have fallen off. Using only three test tubes and three pieces of magnesium metal, describe how you could find out what was in each bottle. Include any safety precautions you need to take in your answer. [Total ?]
To determine the contents of the bottles, the following steps can be taken:
Safety precautions: Wear gloves and goggles to protect against potential chemical spills or splashes.Add a small amount of the contents of one bottle to a test tube and label it "A." Add a small amount of the contents of the second bottle to a second test tube and label it "B." Add a small amount of the contents of the third bottle to a third test tube and label it "C."Place a piece of magnesium metal in test tube "A." Observe any reaction. If there is no reaction, the contents of bottle "A" are not hydrochloric acid or sodium hydroxide. If there is a reaction, proceed to the next step.Place a piece of magnesium metal in test tube "B." Observe any reaction. If there is no reaction, the contents of bottle "B" are not hydrochloric acid or sodium hydroxide. If there is a reaction, proceed to the next step.Place a piece of magnesium metal in test tube "C." Observe any reaction. If there is no reaction, the contents of bottle "C" are not hydrochloric acid or sodium hydroxide. If there is a reaction, the contents of the bottle are either hydrochloric acid or sodium hydroxide.To determine which of these two substances is present, add a small amount of the contents of bottle "A" to a test tube with a piece of magnesium metal. If there is no reaction, the contents of bottle "A" are hydrochloric acid. If there is a reaction, the contents of bottle "A" are sodium hydroxide.Repeat this process for bottles "B" and "C" to determine their contents.Dispose of the chemicals safely and wash the test tubes thoroughly before discarding.the combustion of carbon disulfide with oxygen forms carbon dioxide and sulfur dioxide. what are the coefficients when the reaction equation is balanced using the simplest, whole number coefficients? the pink spheres represent sulfur atoms, the black spheres carbon atoms and the open spheres, oxygen atoms.
Fuel consumption and other atoms than carbon and hydrogen, such as sulfur, nitrogen, or oxygen, have a direct impact on carbon dioxide emissions.
What is the carbon combustion equation in words?Charcoal, a solid, and oxygen, a gas, are the reactants in the described reaction, and carbon dioxide gas is the result. It is possible to write the chemical equation as C (s) + O2 (g) CO2 (g) Q.
Carbon combustion is what kind of a reaction?Since heat is produced during the reaction, it is an exothermic reaction. As carbon and oxygen combine to generate carbon dioxide, it is a combination reaction. It is a combustion reaction because oxygen causes carbon to burn.
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a. What is the electron-domain (charge-cloud) geometry of BrF5? Enter the electron-domain geometry of the molecule.
b. What is the molecular geometry of BrF5?
c. Ignoring lone-pair effects, what is the smallest bond angle in BrF5?
d. Which choice best describes the polarity of BrF5?
The molecule is polar and has polar bonds.
The molecule is nonpolar and has polar bonds.
The molecule is polar and has nonpolar bonds.
The molecule is nonpolar and has nonpolar bonds.
e. Of the molecules below, only ________ is polar.
H2
SiS2
CH4
AsH3
PF5
(a) Electron domain geometry - Octahedral.
(b) Molecular geometry - Square pyramidal.
(c) Smallest bond angle - 90°
(d) The polarity of BrF₅, best choice is: The molecule is polar and has polar bond.
(e) AsH₃ is polar molecule.
What is polar and non-polar molecule?A molecule's valence shell electrons are shown in a very simple manner via a Lewis structure. It serves as a visual representation of how the electrons surrounding certain molecules' atoms are positioned.
It demonstrates the bonds that exist between a molecule's atoms and its lone pairs of electrons. When used in conjunction with hybrid orbitals, Lewis structures can also be helpful in predicting molecular geometry.
(a) Electron domain geometry - Octahedral.
(b) Molecular geometry - Square pyramidal.
(c) Smallest bond angle - 90°
(d) The polarity of BrF₅, best choice is: The molecule is polar and has polar bond.
(e) AsH₃ is polar molecule.
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how many moles of chlorine gas contain the same number of atomss as there are in 16g of helium??????????????
The number of moles of chlorine gas that contain the same number of atoms as there are in 16 g of helium is 35.44 moles.
The number of moles of a substance can be calculated using the formula: n = m/M, where n is the number of moles, m is the mass of the substance, and M is the molar mass of the substance.
In this case, we are trying to find the number of moles of chlorine gas that contain the same number of atoms as there are in 16 g of helium. The molar mass of helium is 4 g/mol, so the number of moles of helium is 16 g / 4 g/mol = 4 moles.
Since the atomic weight of chlorine is 35.45 g/mol and the atomic weight of helium is 4 g/mol, it follows that there are 35.45 g/4 g = 8.86 atoms of chlorine in 1 mole of chlorine gas.
Therefore, the number of moles of chlorine gas that contain the same number of atoms as there are in 16 g of helium is 4 moles * 8.86 atoms/mole = 35.44 moles.
how much heat, in kj, is required to warm 10.0 g of ice, initially at -10.0 degrees celsius, to steam at 110 degrees celsius?
Qt = 4.719kJ heat, is required to warm 10.0 g of ice, initially at -10.0 degrees Celsius, to steam at 110 degrees celsius. The heat capacity of ice is, c = 2.09 J/g C.
The mass of ice is, m = 10.0 g.
The initial temperature is, T = - 10 degree Celsius.
The final temperature is, T' = 110.0 degree Celsius.
The heat capacity of ice is, c = 2.09 J/g C.
The heat capacity of steam is, c' = 2.01 J/g C.
When ice absorbs heat, the conversion takes place from ice to water (liquid) and from the liquid to steam at 110 degree Celsius. So,
The amount of heat absorbed is given as,
Q = m[c(T' - T) + c'T']
Q = 10[2.09(110-(-10)+(2.01*110)]
Q = 4719J
Convert in kJ as,
Q = 4719/1000
Q = 4.719 kJ
Thus, we can conclude that the amount of heat required to warm the ice is 4.719 kJ.
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The complete question is -
How much heat (in kJ) is required to warm 10.0 g of ice, initially at −10.0 °C, to steam at 110.0 °C? The heat capacity of ice is 2.09 J/g · °C, and that of steam is 2.01 J/g °C.
31. Applying Concepts Element Q forms
compounds with element X and with element Z.
Write the formulas for these two compounds.
formula be for these two compounds
—HELP!!! ASAP
Select all the intermolecular forces associated With NaCl? a)Ion-dipole b) London Disperson c)H-bonding d)Dipole-dipole
the intermolecular forces associated With NaCl Is option (a) )Ion-dipole.
Ion-ion forces: Intermolecular force between two ions with diametrically opposed charges. like NaCl.
In solutions when an ionic chemical is dissolved into a polar solvent, such that of a solution of table salt (NaCl) in water, ion-dipole forces are at play. Note that because they include two distinct species, these must be solutions and not pure substances (an ion and a polar molecule). Intermolecular forces may be classified into four categories: dispersion, dipole-dipole, hydrogen bonding, and ion-dipole. Ion-dipole interaction is the most important and powerful intermolecular force that exists between sodium chloride (NaCl) and carbon monoxide (CO) It lacks both hydrogen bond acceptors and donors (hydrogens bound to O, N, or F) (O, N or F). Therefore, it is unable to establish hydrogen bonds with water. It cannot be solved at all.
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What kind of intermolecular forces act between two carbon disulfide molecules? Note: If there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.
Two molecules of carbon disulfide are held together by nonpolar intermolecular interactions. The C-S bond is nonpolar because C and S have different electronegativities.
Two bond dipoles in opposite orientations in the linear structure of carbon disulfide balance out the dipole moments. Having the chemical symbol C and atomic number 6, carbon is an element with the meaning "coal" in Latin. It is nonmetallic and tetravalent, meaning that four of its atom's electron molecules can be used to create covalent chemical connections. The periodic table's group 14 is where it belongs. Only 0.025 percent of the crust of the Earth is made up of carbon. The tendency of an atom of a certain chemical element to draw shared electrons (or electron density) when forming a chemical connection is known as electronegativity and is represented by the symbol.
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Acetylsalicylic acid, better known as aspirin, has the Lewis structure (a) What are the approximate values of the bond angles labeled 1, 2, and 3? (b) What hybrid orbitals are used about the central atom of each of these angles? (c) How many σ bonds are in the molecule?
a) Approximate values of the bond angles labeled is 2
b) 120 degree sp2 hybridized carbon, 109.5 degree sp3 hybridized oxygen c) total 21 sigma bonds.
Sigma bonds are the strongest kind of covalent chemical bonding in chemistry. They are made when atomic orbitals directly overlap one another, according to. Using symmetry group terminology and tools, sigma bonding is most easily explained for diatomic molecules. According to this formal method, rotation about the bond axis is symmetrical for a -bond. S+s, pz+pz, s+pz, and dz2+dz2 are examples of common sigma bonds according to this description (where z is defined as the axis of the bond or the internuclear axis). Molecular orbitals (MO) with the same symmetry are also predicted to mix or hybridize according to quantum theory. The wavefunctions of the molecular orbitals s+s and pz+pz merge as a practical result of this mixing of diatomic molecules.
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How do you rearrange the Arrhenius equation to solve for T2?
ln(k2/k1)=Ea/R(1/T1-1/T2) [or should it be ln(k2/k1) = Ea/R(1/T2-1/T1)?]
Info given in the question:
(k2/k1)=2
Ea= 3.87*10^4 J/mol
R= 8.314 J/mol*K
T1=293K
The Arrhenius equation is given by k = Ae^(-Ea/RT), where A is the frequency or preexponential component and e^(-Ea/RT) is the percentage of collisions with energy sufficient to break through the activation barrier at temperature T.
The Arrhenius equation in physical chemistry is a formula for the temperature dependence of reaction rates. Based on the research of Dutch chemist Jacobus Henricus van 't Hoff, who had noted in 1884 that the van 't Hoff equation for the temperature dependence of equilibrium constants suggests such a formula for the rates of both forward and reverse reactions, Svante Arrhenius proposed the equation in 1889.
This equation has numerous and significant applications in calculating the energy of activation and the rate of chemical reactions. Arrhenius explained and justified the formula using physical principles. The best way to view it right now is as an empirical relationship.
It can be used to simulate a wide range of thermally induced processes and reactions, including the temperature variation of diffusion coefficients, the population of crystal vacancies, creep rates, and many more. The 1935-created Eyring equation also explains the connection between rate and energy.
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supersaturated solution can be made to precipitate out by: A) Adding more solute B) Agitating the solution C Both (A) and (B) D) None of the above'
Both adding more solute and agitating the solution can cause a supersaturated solution to precipitate out. Therefore, the answer to the question is both (A) and (B).
A supersaturated solution is one in which more solute is dissolved in the solvent than is normally possible at a given temperature. This is done by either increasing the temperature of the solvent or by decreasing the pressure on the solvent. Supersaturation can occur in both solid and liquid solutions.
Supersaturated solutions can be made to precipitate out by either adding more solute to the solution or by agitating the solution. By adding more solute, the solute molecules will increase in concentration and the solution will become supersaturated. This will cause the molecules to become unstable, resulting in a precipitation reaction.
Agitating the solution can also cause a supersaturated solution to precipitate out. When the solution is agitated, the molecules become unstable and will start to form clusters. As these clusters grow, the molecules of the solute will begin to separate from the solvent, leading to a precipitation reaction.
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explain the difference between hybrid atomic orbitals in valence bond theory and lcao molecular orbitals in mo theory.
In valence bond theory, a hybrid orbital is a weighted linear sum of the valence orbitals of a particular atom, and the hybrid orbital remains localized to that atom. In molecular orbital theory, a molecular orbital is a weighted linear sum of the valence atomic orbitals of all atoms in a molecule, and many of the molecular orbitals are delocalized throughout the molecule.
A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds. Depending on the context, the term may or may not include ions that meet this criterion.In quantum physics, organic chemistry and biochemistry, ions The distinction between is removed and molecule is often used when referring to polyatomic ions.
Molecules can be isonuclear. H. Consists of atoms of chemical elements. Two atoms in the oxygen molecule (O2). Or it may be heteronuclear, which is a compound composed of multiple elements. Water (2 hydrogen atoms and 1 oxygen atom; H2O). In gas dynamics theory, the term molecule is often used for gas particles, regardless of their composition. This relaxes the requirement that molecules contain more than one atom, since noble gases are single atoms.
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if deficient, which of the following minerals would have the least affect on bone health?
Calcium plays a crucial role in affecting a bone health, and if chloride is present in deficient amount then it will have least effect on bone health.
Bone fitness as a public fitness trouble with an emphasis on prevention and early intervention to sell robust bones and save you fractures and their consequences. Vitamin D facilitates the frame take in and system calcium. Together, those vitamins are the cornerstone of healthful bones. Poor diet, low in nutrients and calcium. Changes in hormones (from smoking or menopause) Age. Medical situations like rheumatoid arthritis, persistent kidney disease, overactive parathyroid gland or celiac sprue.
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assign an iupac name for the following compound
The IUPAC name for the given compound is 4-formyl-2-oxocyclohexane-1-carboxylic acid. (Option B)
In chemical nomenclature, the IUPAC name or the nomenclature of organic chemistry refers to a method of naming organic chemical compounds based on the recommendation of the International Union of Pure and Applied Chemistry. It is published in the Nomenclature of Organic Chemistry. IUPAC name is the naming of a molecule's longest chain of carbons which are connected by single bonds (whether in a continuous chain or in a ring). All deviations, either multiple bonds or atoms other than carbon and hydrogen, are indicated by prefixes or suffixes according to a specific set of priorities. The IUPAC name for the given compound is 4-formyl-2-oxocyclohexane-1-carboxylic acid as the acyclic ring is directly attached to the carbon containing the functional group, the carbon atom of the functional group is not included in the parent name of the alicyclic ring.
Note: The question is incomplete as it is missing options which are A) 2, 4-dioxocyclohexane- 1-carboxylic acid B) 4-formyl-2-oxocyclohexane-1-carboxylic acid C) 2,4-dioxocyclohexanoic acid D) 2-oxo cyclohexane-1,4-dicarboxylic acid.
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Question 22 Cr is a member of which family? noble gases halogens alkaline earth metals alkali metals None of these
Chromium (Cr) is a member of transition metals family, so the correct answer is E none of these.
What is transition metal?Usually transition metals are strong and hard elements. Both the melting and boiling points of these metals are high. Transitional metals family are versatile materials that can be hammered, bent, and drawn into wires. They also carry heat and electricity effectively. These metals' atoms have a strong attraction to one another. They are typically glossy as well.
The chemical element chromium has the atomic number 24 and the symbol Cr. It is the group 6's first element. It is a transition metal family that is steely-grey, glossy, tough, and brittle.
The great corrosion resistance and hardness of chromium metal make it valuable. The discovery that steel could be rendered extremely resistant to corrosion and discoloration by adding metallic chromium to make stainless steel was a significant advancement in the production of steel. 85% of commercial use is made up of stainless steel with chrome plating (electroplating with chromium). Chromium is highly prized for its ability to be finely polished while remaining tarnish-resistant. Nearly 70% of the visible spectrum and approximately 90% of infrared light are reflected by polished chromium.
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Draw lewis structure for C5H12
Lewis structure of C5H12 which is also called as pentane ( have five carbon and 12 hydrogen )
H--C--C--C--C--C--H
To draw the Lewis structure for C5H12, we need to determine the number of valence electrons in the molecule. Carbon has 4 valence electrons and hydrogen has 1, so C5H12 has a total of (5×4)+ 12 = 32 valence electrons.We can represent the carbon atoms as dots, with each dot representing one valence electron. Since there are five carbon atoms, we would need to draw five dots in a straight line to represent the carbon atoms. Each carbon atom is then bonded to two hydrogen atoms, so we can add two more dots for each carbon atom to represent the hydrogen atoms. This gives us a total of 5 x 2 = 10 dots for the hydrogen atoms.
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What is the correct chemical formula for hexachlorostannate (IV) ion?
The correct chemical formula for hexachlorostannate (IV) ion is SnCl6^2-.
The hexachlorostannate (IV) ion is an inorganic compound that consists of a central tin (Sn) atom surrounded by six chlorine (Cl) atoms. The charge on the ion is 2-, which indicates that there are two extra electrons present. The (IV) in the name refers to the oxidation state of the tin atom, which is +4. The chemical formula for hexachlorostannate (IV) ion is therefore SnCl6^2-.
