The nitrogen and oxygen atoms stimulated the resonance structure of the carbon atom, which caused the carbon atom to exhibit positive electricity while concurrently exhibiting negative electricity in the nitrogen and oxygen atoms.
What is the CH3NH2's structural geometry?
Tetrahedral is the shape of the C and N atoms in the CH#NH2 molecule. The geometry of CH3NH2 is hence tetrahedral.
Are there polar bonds in CH3NH2?
(a) Both the covalent molecules CH3NH2 and CH3F have polar links. While the dipole in CH3F cannot H-bond, that in CH3NH2 can. As a result, CH3NH2 interacts more strongly and has a higher boiling point. (c) Although CH3OH and CH3CH2OH may both form hydrogen bonds, CH3CH2OH has more CH bonds, resulting in stronger interactions between dispersion force.
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1. The formula for the conjugate base of H2CO3 is 2. The formula for the conjugate acid of HSO3 is 1. The formula for the conjugate acid of Noz is 2. The formula for the conjugate acid of NH3 is
NH4+ is the conjugate acid of NH3.
NH4+ is conjugate acid because it NOW has protons to release back to NH3 (base).
A conjugate acid, within the Bronsted–Lowry acid–base theory, is a chemical compound formed when an acid donates a proton (H +) to a base—in other words, it is a base with a hydrogen ion added to it, as in the reverse reaction it loses a hydrogen ion.
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In an oil spill, is the danger greater to birds and marine
mammals than it is to fish and other organisms that live on
the ocean bottom? Why?
Answer:
During most oil spills, seabirds are harmed and killed in greater numbers than other kinds of creatures. Sea otters can easily be harmed by oil, since their ability to stay warm depends on their fur remaining clean.
draw the organic product formed when 1−hexyne is treated with h2o, h2so4, and hgso4. click the draw structure button to launch the drawing utility.
The organic product formed when 1−hexyne is treated with H₂O, H₂SO₄, and HgSO₄ will be 2-hexanone (structure attached).
This reaction is an example of an oxymercuration reaction of the organic product 1−hexyne.
Oxymercuration is shown in three steps to the right. The nucleophilic double bond attacks the mercury ion, releasing an acetoxy group. The mercury ion's electron pair attacks carbon on the double bond, generating a positive-charged mercuronium ion. Mercury's dxz and 6s orbitals give electrons to the double bond's lowest unoccupied molecular orbitals.
In the second stage, the nucleophilic H₂O attacks the highly modified carbon, freeing its mercury-bonding electrons. Electrons neutralize mercury ions by collapsing. Water molecules have positive-charged oxygen.
In the third stage, the negatively charged acetoxy ion released in the first step attacks the hydrogen of the water group, generating the waste product HOAc. The two electrons in the oxygen-hydrogen link collapse into oxygen, neutralizing its charge and forming alcohol.
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Draw Lewis structures for each molecular formula. a. C2H4Cl2 (two isomers) b. C3H8O (three isomers) c.C3H6 (two isomers)
Dots are used to indicate the positions of electrons surrounding the atoms in a molecule, while lines or pairs of dots are used to represent covalent connections between atoms in a Lewis structure.
The goal of creating a Lewis structure is to locate the molecules' lone electron pairs in order to establish how chemical bonds are formed. A group of two or more atoms bound together by the attractive forces known as chemical bonds is referred to as a molecule; depending on the context, the term may or may not include ions that meet this requirement. The distinction between ions and molecules is abolished in quantum physics, organic chemistry, and biochemistry. The electron (e or ) is a subatomic particle with an initial electric charge that is negatively one.
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what is a volatile liquid? responses liquids with the ability to burn in the presence of oxygen gas (o2) liquids with the ability to burn in the presence of oxygen gas (o2) liquids that evaporate and form gases easily liquids that evaporate and form gases easily liquids where the relationship between their mass and volume is a constant liquids where the relationship between their mass and volume is a constant liquids with the ability to react or change into another substance
A volatile liquid is a liquid that readily evaporates and converts to gas. Volatile liquids are those that readily transition into their vapour state at a specific temperature.
At room temperature, a volatile liquid is one that vaporizes or evaporates quickly. Vaporizing liquids like ethanol, gasoline, and ether are examples of volatile liquids. Condensation, in which water vapour transforms into liquid water, is the opposite of evaporation. Steaming water evaporates into the atmosphere. The rate of evaporation is measured annually at several locations by the National Weather Service in the United States. The rate of evaporation was discovered by scientists there. Condensation, in which water vapour transforms into liquid water, is the opposite of evaporation. Steaming water evaporates into the atmosphere.
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in which molecule do we find bond angles of 109.5o? group of answer choices
CCL4 is the molecule in which we discover bond angles of 109.5°. Tetrahedral structure will be present in CCL4.
What characteristics does CCl4 have, and how many bonds does it have?The core carbon atom and four chlorine atoms form four covalent connections in this molecule.
The colorless liquid known as carbon tetrachloride, which has the chemical formula CCl4, is an organic substance with a sweet odor that may be noticed even at very low concentrations.
When the temperature is lower, it is incombustible. It used to be widely employed in fire extinguishers as a cleaning agent and a predecessor to refrigerants, but it has since been phased out due to environmental and safety concerns.
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a student was synthesizing aspirin in the laboratory. using the amount of limiting reactant, she calculated the mass of aspirin that should form as 10.34 g. when she weighed her aspirin product on the balance, its mass was 3.10 g. calculate the percent yield for this synthesis. %
Filtration can be used to separate the water-soluble acetic acid from the aspirin. The limiting reagent will be salicyclic acid.
How can we determine the limiting reagent?
By dividing the volume of each solution by its molarity, you can determine how many moles of each reactant there are. By subtracting the number of moles of each reactant from its stoichiometric coefficient in the balanced chemical equation, you may determine which reactant is the limiting one.
How many grams of aspirin were created during the process of making it?
This resulted in an estimated value of 3.029 grams for crude synthesized aspirin. The final aspirin product's calculated mass after purification was 2.169 grams. A theoretical yield of 2.520 grams was computed.
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c22- lewis structure
There are a total of 10 valence electrons in the C2²⁻Lewis structure. Each carbon atom contributes four valence electrons, while the second atom adds two more for a total of 10 valence electrons. The two Carbon atoms' octets in the Lewis structure of C2²⁻ must be filled with a triple bond.
How many unpaired electrons are in C2²?
There aren't any unpaired electrons in it.
How many electrons are present in C2²?
Twelve electrons make up the C2 molecule.
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you have decided to ascend to the summit of mount everest, where the partial pressure of oxygen in the atmosphere has been estimated to be about 54 mmhg. recall that when this air arrives in the alveoli, the partial pressure of oxygen drops even lower because of displacement by the partial pressure of carbon dioxide and water vapor. the arterial concentration of oxygen at the pulmonary capillaries is measured and found to be 25 mmhg. what is the percent saturation of hemoglobin at this partial pressure?
The percentage saturation of the Hemoglobin will be 45%. Hemoglobin saturation will eventually diminish quickly as the PO2 drops.
The hemoglobin's % saturation as a function of oxygen partial pressure is plotted on the oxygen-hemoglobin dissociation curve (PO2). Hemoglobin will be 100% saturable with oxygen, or all four heme groups will be bound, at a PO2 of 100 mmHg. 1.34 mL of oxygen may be carried by every gram of hemoglobin. Oxygen is soluble in plasma at a solubility coefficient of 0.003. This coefficient shows the volume of oxygen in mL that will dissolve in 100mL of plasma for each 1 mmHg spike in the PO2. The oxygen content is then determined using a formula, so that
Oxygen Content = (0.003 × PO2) + (1.34 × Hemoglobin × Oxygen Saturation).
This formula illustrates that dissolved oxygen is a sufficiently tiny fraction of total oxygen in the blood; consequently, the oxygen content of blood can be deemed equivalent to the oxyhemoglobin levels.
Alveolar gas in the lungs has a PO2 of 100 mmHg. However, even at a PO2 of 60 mmHg, oxygen saturation will still be high because of the high affinity for the fourth oxygen molecule. Hemoglobin saturation will eventually diminish quickly as the PO2 drops; at a PO2 of 40 mmHg, hemoglobin is 75% saturated. In the meantime, hemoglobin is 50% saturated at a PO2 of 25 mmHg. When 50% of each hemoglobin's heme groups are oxygenated, this condition is known as P50.
The nature of the oxygen saturation becomes increasingly important in light of the effects of right and left shifts. A variety of the factors can cause these shifts.
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An atom with an electron configuration of 1s2 2s2 2p3 has how many valence electrons?
Helium two, S 22, and P 3 would make up the core in this situation. Outside the core, we have five Valence electrons. So five valence electrons would be our solution in this case.
The electrons in an atom's outermost electron shell are known as valence electrons. These are the electrons that take part in bonds and reactions since they are the ones that are farthest distant from the nucleus and hence aren't as strongly bound to the atom. This implies that an element's valence electron count also affects other properties, such as its electronegativity and the number of bonds it can form.
The ability of an element to create bonds with other atoms is referred to as valence. The number of hydrogen atoms an element can connect to (which is defined by how many valence electrons are available for bonding) has historically been used to establish an element's valence. For instance, carbon can form CH4, hence it has a valence of 4, and possesses four valence electrons. The valence of nitrogen, on the other hand, is 3, and it possesses 3 valence electrons since it can form NH3.
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what do the brackets in the following equation represent? [h3o+] × [oh-] = kw
The brackets in the following equation [h3o+] × [oh-] = kw represent the molarity of the compound inside them.
What is Molarity?
This is a term which is used to express the concentration of a substance and it is referred to as the amount of a substance in a certain volume of solution. It is also usually expressed as the mass per unit volume of a substance in the form of moles.
On the other hand , kw is referred to as a measure of the strength of an acid or base and is also the equilibrium constant for the dissociation reaction of water.
The equation is given as [h3o+] × [oh-] = kw in which the bracket represent the molarity of the compound inside them as it is an important factor in how a reaction occurs which is therefore the reason why it was chosen as the correct choice.
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if 11.65 ml of 0.595 m koh is required to titrate the unknown acid to the equivalence point, what is the concentration of the unknown acid?
The concentration of the unknown acid is 6.93175 divided by the volume of the unknown acid in mL and the unit is M (mole/liter)
The formula for volumetric analysis can be given as follows;
[tex]\frac{C_{a}V_{a} }{C_{b}V_{b} } = \frac{N_{a} }{N_{b} }[/tex]
At the equivalence point, [tex]N_{a} = N_{b}[/tex]
Therefore, [tex]C_{a} V_{a} = C_{b} V_{b}[/tex]
[tex]C_{a}[/tex] (concentration of unknown acid) = [tex]\frac{C_{b}V_{b} }{V_{a} }[/tex]
[tex]C_{a}[/tex] represents the concentration of unknown acid in mL
[tex]C_{b}[/tex] (concentration of KOH) = 0.595M
[tex]V_{b}[/tex] (volume of KOH) = 11.65 mL
[tex]C_{a}[/tex] = 11.65 × 0.595 / [tex]V_{a}[/tex] = (6.93175 / [tex]V_{a}[/tex]) M
Hence, the concentration of the unknown acid is calculated to be 6.93175 divided by the volume of the unknown acid in mL if 11.65 ml of 0.595 KOH is required for titration.
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the average speeds v and molecular diameters d of five ideal gases are given below. the number of molecules per unit volume is the same for all of them. for which is the collision rate the greatest?
The average speeds v and molecular diameters d of five ideal gases are given below. the number of molecules per unit volume is the same for all of them. the collision rate the greatest for d) v = vo and d = 2do.
The ideal gas equation is given as :
P V = n R T
the collision is directly proportional to the molecular diameter and is inversely proportional to the velocity. the collision frequency depends on the temperature and concentration. the rate of collision is given as :
mean free path :
λ = (Rt )/ √2πd²Na P)
average velocity :
v = √8kT/ πm
v = λ / t
1/t = v /λ = (√8kT/ πm) / (Rt )/ √2πd²Na P)
thus, the rate of collision depends on the temperature , pressure size ans mass of molecule.
The question is incomplete, the complete question is :
The average speeds v and molecular diameters d of five ideal gases are given below. The number of molecules per unit volume is the same for all of them. For which is the collision rate the
greatest?
A. v = v0 and d = d0
B. v = 2v0 and d = d0/2
C. v = 3v0 and d = d0
D. v = v0 and d = 2d0
E. v = 4v0 and d = d0/2
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A chem i meer is sluuyy e TonOWIng Teaccion. CH_(9)+2H S(g) → CS2(9)+4H (9) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 1.8 x 10". The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time she measures the compositions. reaction vessel compound pressure expected change in pressure CH 6.58 atm of increase o decrease O(no change) 1.39 atm of increase o decrease (no change) 6.61 atm of increase o decrease O(no change) 10.10 atm of increase o decrease O(no change) CHA 6.44 atm of increase o decrease no change) H,S 1.12 atm of increase o decrease (no change) CS2 6.75 atm of increase o decrease O(no change) 10.63 atm of increase o 1 decrease O(no change) CH, 7.96 atm of increase o decrease (no change) 2.21 atm of increase o decrease O(no change) 6.97 atm o 1 decrease O(no change) of increase of increase 9.95 atm o decrease (no change)
A)CH4: Increase, H2S: Increase, CS2: decrease, H2: decrease, B )CH4: Increase, H2S: Increase, CS2: decrease, H2: decrease, c) CH4: no change , H2S: no change , CS2: no change , H2: no change At the temperature the engineer picks, the equilibrium constant K, for this reaction is 1.8 x 10". The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, and lets the reaction begin.
A)
Equilibrium Quotient expression is
Qp = p(CS2)*p(H2)^4/p(CH4)*p(H2S)^2
= (6.61^1)*(10.1^4)/(6.58^1)*(1.39^2)
=5.4*10^3
comparing Q and k, since Q is greater than K
reaction will move in backward direction
Answer:CH4: Increase, H2S: Increase, CS2: decrease, H2: decrease
B)
Equilibrium Quotient expression is
Qp = p(CS2)*p(H2)^4/p(CH4)*p(H2S)^2
= (6.75^1)*(10.63^4)/(6.44^1)*(1.12^2)
=1.1*10^4
comparing Q and k, since Q is greater than K
reaction will move in backward direction
Answer:CH4: Increase, hydrogen sulfide: Increase, CS2: decrease,H2: decrease
C)
Equilibrium Quotient expression is
Qp = p(CS2)*p(H2)^4/p(CH4)*p(H2S)^2
= (6.97^1)*(9.95^4)/(7.96^1)*(2.21^2)
=1.8*10^3
comparing Q and k, since Q is equal to K
Answer: methane : no change , H2S: no change , CS2: no change , H2: no change
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The duodenum contains these structures whose products neutralize the acidic chyme.
A) duodenal glands B) gastric glands
C) Peyer's patches D) intestinal glands
Chyme and pancreatic secretions are combined in the duodenum in an alkaline that is high in bicarbonate, which balances the chyme's acidity and serves as a buffer.Several digestive enzymes are also present in pancreatic secretions.
What two organs secrete substances into the small intestine's duodenum?Duodenum.The small intestine gets digestive juices from the liver, gallbladder, and pancreas as well as other digestive system organs to assist in breaking down food.These organs' ducts feed into to the duodenum.
When acid chyme enters the duodenum, what hormone is released?In reaction to acidic chyme, the duodenum releases secretin.
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assume the substance represented by the heating curve has three phases (solid, liquid, and vapor) under atmospheric pressure. which statement is true? g
Assuming the substance represented by the heating curve has three phases (solid, liquid, and vapor) under atmospheric pressure, it is true that a stove burner will supply heat at a roughly constant rate.
What is a heating curve?
The heating curve is the relationship between the outlet temperature of the heating system and the outdoor air temperature. The heating curve determines the temperature to which the DHW boiler should heat water at a given outdoor temperature. This relationship is described using two parameters: the slope of the curve and its level. The prototype of the heating curve was the so-called 'Stoker's table', which helped to determine the desired outlet temperature of the heating system depending on the outdoor temperature.The prototype of the heating curve was the so-called 'Stoker's table', which helped to determine the desired outlet temperature of the heating system depending on the outside temperature.To know more about heating curves, click the link given below:
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How many protons (p) and neutrons (n) are in an atom of calcium-46?
a. 20 p.26 n b. 26 p.20 n c. 46 p.20 n d. 20 p.46 n
Taking into account the definition of atomic number and atomic mass, the correct answer is option a.: an atom of calcium-46 has 20 p. and 26 n.
Subatomic particlesFirst of all, all atoms are made up of subatomic particles: protons and neutrons, which are part of their nucleus, and electrons, which revolve around them.
Definition of atomic numberThe atomic number, also known as nuclear charge, represents the number of protons inside its nucleus and is represented by the letter Z.
Definition of atomic massThe atomic mass (A) is obtained by adding the number of protons and neutrons in a given nucleus of a chemical element. That is, the mass number is the sum of the number of protons and the number of neutrons in the atomic nucleus:
Mass number = (number of protons) + (number of neutrons)
Protons ans neutrons in this caseThe atomic number provides the structure in which the elements are arranged on the periodic table. Therefore, it is possible to observe in the table that the atomic number of calcium is 20. Therefore, the number of protons of calcium is 20.
An atom of calcium-46 has a mass number of 46. Then, the number of netruons can be calculated as:
Mass number = (number of protons) + (number of neutrons)
46= 20 + number of neutrons
46 - 20= number of neutrons
26= number of neutrons
Then, the number of neutrons is 26.
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Draw the electron distribution diagram for water: Begin with 1 central water molecule. Show the chemistry of each element within the central water molecule (all electron orbits, lone pair electrons, type of chemical bond, polarity/charge, and correct shape). What type of bond creates a water molecule? What type of bond holds water molecule to another water molecule? Next; draw the correct number of other water molecules bonding to thc central water molecule How many other water molecules bond to a central molecule of water?
Hydrogen bonds are formed between neighboring water molecules' hydrogen and oxygen atoms. The attraction between individual water molecules results in the formation of a bond known as a hydrogen bond.
How many water molecules can bond together?A water molecule comprises two hydrogen atoms. Both of these atoms are capable of creating hydrogen bonds with the oxygen atoms of different water molecules. The greatest number of hydrogen bonds that can be formed by a water molecule is three.
How many lone and bonded pairs are there in water?The coordination geometry of oxygen is based on a tetrahedral arrangement of electron pairs, while water has four electron pairs. There are two lone pairings because there are only two bound groupings.
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the beta decay of platinum-199
There can be emissions of radiations like gamma radiation. There can be emission of particles too like alpha particle. Therefore, the beta decay of platinum-199 is ₇₉Au¹⁹⁹.
What is nuclear decay?Nuclear decay is process in which the radioactive element releases particles or radiations. Alpha particles is ⁴₂He. Alpha particle is nothing but helium particle.
The balanced equation for the beta decay of ₇₈Pt¹⁹⁹.
₇₈Pt¹⁹⁹ [tex]\rightarrow[/tex] -₋₁e⁰ + ₇₉Au¹⁹⁹
Beta decay is the emission of electron particle from the given isotope. the product is gold- 199.
Therefore, the beta decay of platinum-199 is ₇₉Au¹⁹⁹.
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determine the ph change when 0.085 mol hi is added to 1.00 l of a buffer solution that is 0.392 m in hclo and 0.356 m in clo-.
The pH change for the given acidic buffer solution is 0.22.
HClO and ClO- is an acidic buffer, and with addition of HI, the concentration of acid increases while the concentration of salt decreases.
pH=pKa +log (salt/acid)
=7.54+log (0.326/0.369)
=7.54-0.05
=7.49
On adding Hydrogen iodide,
pH=pKa+ log((0.326-0.085)/(0.369+0.085))
=7.54+log (0.241/0.454)
=7.54-0.27
=7.27
Thus, the value of pH change cab be calculated as follows:
=7.27-7.49
=0.22
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in the electrolysis of molten bai2 which product forms at the cathode
Make sure to address each question. Just at negative electrode during the electroplating process BaI2, barium is created.
Describe barium.Chemical element barium (Ba), an alkaline-earth metal belonging to 2 groups (IIa) of the chemical chart. The substance is utilized in metallurgy, and pyrotechnics, petroleum, and radiology all make use of its constituents. Barium is indeed a dry, white, powdery powder that is combined with water to form barium liquid.
What are barium's top 5 uses?The oil and gas sectors use barium compounds to create drilling mud. By lubricating the drill, drilling mud makes drilling through rocks easier. Barium compounds are used to produce paint, bricks, tiling, glass, and rubber. Fireworks have a green color thanks to barium nitrate and clorate.
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two metals of equal mass but with differing specific heat capacities are subjected to the same amount of heat. which metal will undergo the smallest change in temperature if neither metal changes phase?
The metal having the greater capacity for specific heat. A metal with a higher heat capacity will take more energy to raise its temperature by one temperature unit.
Can the amount of heat in two things made of the same material at the same temperature differ?As a result, the heat capacity of two objects constructed of the same material but of different masses will vary. This is so because while specific heat is a property of every object constructed of the same material, heat capacity is a property of an object.
Which metal will see the smallest temperature increase?The metal with the highest specific heat will see the smallest temperature change.
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what is the change in enthalpy in kilojoules when 2.30 mol of mg solid is completely reacted according to the following reaction?
The change in enthalpy is -1380 kJ. The amount of heat released or absorbed during a reaction that takes place under constant pressure is referred to as the enthalpy change.
The difference in enthalpy between the reactants and products is measured by the change in enthalpy of a reaction. The energies required to build new chemical bonds and break existing ones are what determine a system's enthalpy. The enthalpy change that occurs during a reaction is the heat that enters or exits the system. An important aspect that affects whether a reaction may occur is whether the enthalpy of the system increases (i.e., because energy is added) or lowers (i.e., because energy is given off). Enthalpy is a state function, therefore the amount of enthalpy that changes throughout a reaction depends only on two factors: the masses of the substances that are reacting and the physical states of the reactants and products. It is independent of how reactants are transformed into products.
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What is the change in enthalpy in kJ when 2.30 mol of Mg is completley reacted according to the following reaction
2Mg(s) + O2(g) > 2MgO(s)
Delta H = -1204 kJ
fix any errors in these proposed electron configurations
The electrons cannot consistently occupy their orbitals in certain electron configurations, which are impossible.
What elements don't always have the same electron configuration?Chromium and copper are the two principal exceptions to the rule of electron configuration. An electron from the 4s orbital gets stimulated and climbs to the 3d orbital in these circumstances because a fully or mostly filled d sub-level is more stable than a partially filled d sub-level.
Why is it impossible to pinpoint an electron's location?According to the Heisenberg uncertainty principle, it is impossible to know an electron's precise position and momentum at the same time. This is due to the fact that electrons cannot simultaneously have a fixed position and a velocity in one direction.
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the partial pressure of ch4(g) is 0.550 atm, and the partial pressure of o2(g) is 0.150 atm in a mixture of the two gases. the mixture occupies a volume of 20.6 l at 150 oc. solve all three parts of the question
Mole fraction of CH4 = 0.550 / 0.7 = 0.78
Mole fraction of O2 = 0.150 / 0.7 = 0.21
What is partial pressure ?
The force applied per unit of area is referred to as pressure. The region to which a force is being applied and its amount both affect the pressure. This pressure is created by kinetic energy-driven collisions that occur on the container's walls.
The pressure a single gas exerts within a mixture is referred to as partial pressure. The total pressure of a gas is the sum of all the partial pressures present in the mixture.
Partial pressure of the given molecule CH4 = 0.550 atm
partial pressure O2 =0.150 atm
And the total pressure 0.550 atm + 0.150 atm = 0.7
Mole fraction of CH4 = 0.550 / 0.7 = 0.78
Mole fraction of O2 = 0.150 / 0.7 = 0.21
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15. which of the following species would be the strongest lewis acid? a. k (aq) b. ca2 (aq) c. na (aq) d. mg2 (aq) e. al3 (aq)
[tex]Al^{3+}[/tex] is considered as strongest lewis acid among the following.
A stronger acid, in contrast to a stronger Lewis acid, has a reduced [tex]pK_{a}[/tex] value and a stronger propensity to take a pair of electrons, according to Bronsted and Lowry. Therefore, it is possible to think of the ionization potential, electron affinity, electronegativity, and electrophilicity as indicators of a Lewis acid's strength.
Lewis acids are thought to be entities that lack electrons. Lewis bases are regarded as electron-rich species. More positive charge means more electron shortage, which increases acidity.
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Is 1-methylpropane a correct way of naming butane?
No, because it IS butane.
1-methylpropane says that: Three carbons are in the main chain ("prop-").
Thus, they are not different isomers (whether they're constitutional, conformational, stereochemical, etc). They are identical compounds.
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Each year, the Department of Water Works measures the chloride concentration level in the water. The first year, they found the chloride concentration changed by −135 mg/L . It is estimated that the chloride concentration will change −2115 mg/L the next year.
What is the total change that will likely occur in 2 years?
Enter your answer as a simplified mixed number in the box.
mg/L
The total change in 2 years is likely to be -3 2/3mg/L.
What is the total change?Here given that ,
They discovered that the chloride concentration changed by -1 3/5 mg/L the first year.
The chloride concentration is expected to change in -2 1/15mg/L over the next year.
To determine: What is the total change that is likely to occur in two years?
To find the solution,
During the first year, the chloride concentration changed by -1 1/3
= -8/5mg/L.
The chloride concentration will change in -2 1/15 = -31/15 mg/L over the next year.
The total change that is likely to occur in the next two years is
-8/5 + (-31/15)
= (-24 - 31 ) / 15
= -55/15
= -11/3
-3 2/3mg/L in a mixed fraction.
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Draw the Lewis structure for the SeO3-2 ion, then using VSEPR theory, what is its geometry and electronic structure?
According to VSEPR theory and hybridization of the molecule, the geometry and shape are trigonal planar and 107. 5 degrees.
In terms of genomics, the process of hybridization is the joining of two complementary single-stranded DNA and/or RNA molecules to create a double-stranded molecule. Base pairing must be appropriate for the two single-stranded molecules in order for the bond to form. A crucial step in many research and clinical laboratory methods is hybridization. In most cases, DNA is a double-stranded molecule. Through a process known as hybridization, the two strands bond to one another in a complementary way. Naturally, the new strand of DNA combines with the old strand when it is copied. In the lab, we may create tiny DNA fragments that are intended to check a cell for the presence or absence of specific DNA or RNA molecules.
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identify the reagents needed to carry out each transformation
The substances required to complete each transformation. mCPBA [1] PBrs LiAIH4 [2] H2O PCC Pd-C-CrO3 H2 H2SO4, H2O A, H2O B, CH3 =CH2 H CH3, and KMnO.
How come reagent is used?Since the binding of reagents to the substance or other related substances causes certain reactions, reagents are frequently used to test for the presence of specific substances. Reagents and reactants are very different even if the terms are occasionally used interchangeably.
What distinguishes a reagent from an indicator?A chemical reaction's stated end point can be determined using indicators, which are also used to monitor hydrogen ion concentration (pH) or to signal that a desired change in pH has occurred.
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