What type of light does the reaction between Fe3+ and Sa+ allow the resulting complex structure to absorb?
Answers
The reaction between Fe3+ and Sa+ allows the resulting complex structure to absorb visible light due to the presence of transition metal ions with partially filled d-orbitals that undergo d-d transitions when they absorb energy.
The reaction between Fe3+ and Sa+ allows the resulting complex structure to absorb visible light. This is due to the presence of transition metal ions in the complex.
Transition metals, such as iron (Fe), have partially filled d-orbitals that can undergo electronic transitions when they absorb energy. These transitions occur within the visible light region of the electromagnetic spectrum, which ranges from approximately 400 to 700 nanometers.
The absorption of light by the complex is a result of the d-d transitions within the metal ion. When visible light interacts with the complex, it promotes an electron from one d-orbital to another higher energy d-orbital.
This transition is accompanied by the absorption of light energy corresponding to the wavelength of the absorbed light. The absorbed energy excites the electrons in the d-orbitals, causing them to jump to higher energy levels.
The specific color of light that is absorbed by the complex depends on the energy difference between the d-orbitals involved in the transition.
This energy difference, in turn, depends on the electronic configuration of the metal ion and the ligands surrounding it. Different metal ions and ligands result in different energy gaps, leading to different absorption colors.
In the case of the Fe3+ and Sa+ complex, the resulting structure absorbs light in the visible region, which includes colors like red, green, and blue. The absorbed colors are subtracted from the incident white light, giving the complex its characteristic color.
This phenomenon is often observed in coordination compounds, where the absorption of light is utilized in fields such as colorimetry, photography, and dye-sensitized solar cells.
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Related Questions
What are some properties of plasma?
Answers
Plasmas are less dense than solids or liquids and have no set shape or volume. Plasmas are made up of atoms with some or all of their electrons stripped away and positively charged nuclei, known as ions, roaming freely.
What is plasmas?Plasmas is defined as a type of substance in which numerous electrons freely roam around the nuclei of the atoms.
Plasma has been referred to as the fourth state of matter, alongside solid, liquid, and gas.
When one or more electrons are ripped from an atom, they form a plasma.
Thus, plasmas are less dense than solids or liquids and have no set shape or volume. Plasmas are made up of atoms with some or all of their electrons stripped away and positively charged nuclei, known as ions, roaming freely.
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clouds form when water vapor in the atmosphere
A-evaporates
B-condenses
C-runsoff
D-precipitates
Answers
Answer:
A- evaporates
Answer:
Condenses
Explanation:
Clouds are created when water vapor, an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust, that are floating in the air.
Explain why this compound is not a hydrocarbon. *
(2 points)
Answers
1
16. What biological concept was Mendel studying when he crossed pea plants many times
over many generations?
A dominant and recessive traits
B. imbalance in ecosystems
C. predator-prey relationships
D. male and female genetic difference
Answers
Answer:
Explanation:
A: Since the Pea plant matured very quickly he was able to identify how the dominant and recessive genes worked.
2. A sample of gold contains 1. 77x10^19 electrons. Calculate the VOLUME of
that sample of gold in cm^3. There will be MULTIPLE steps necessary.
Answers
The volume of the gold sample containing 1.77x10¹⁹ electrons is approximately 2.51 × 10⁻¹⁸ cm³. This was determined by calculating the mass of the sample first, which was 1.2212 grams, and then using the density of gold to determine the volume.
Assuming that the gold sample is electrically neutral, the number of electrons is equal to the number of protons, which is also the atomic number of gold. Therefore, we can determine the mass of the sample using the atomic weight of gold (196.97 g/mol) and Avogadro's number (6.022 × 10²³ particles/mol):
1.77 × 10¹⁹ electrons x (1 atom Au / 79 electrons) x (196.97 g / 1 mol) x (1 mol / 6.022 × 10²³ atoms) = 4.85 × 10⁻¹⁷ g
Next, we can use the density of gold (19.3 g/cm³) to calculate the volume of the sample:
4.85 × 10 g x (1 cm³ / 19.3 g) = 2.51 × 10⁻¹⁸ cm³
Therefore, the volume of the sample of gold is 2.51 × 10⁻¹⁸ cm³.
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youngest to oldest rocks in order abcde
Answers
Rock formations change over the years and their position within the formation helps scientists and researchers determine the age of each layer. The oldest layers are at the bottom of the structure and the newest layers are at the top.
The bottom layer of rock forms first so it is the oldest layer. All layers above are younger and the top layer is the youngest of them all. This order is relative because we cannot know exactly when each layer was formed, only that each layer is younger than the layer below it. The superposition principle shows that younger rock layers lie on top of older rock layers.
Each layer is older than the layer above it. Layer D was deposited first so it is the oldest layer because it is at the bottom. Younger rock units in the order of layers C, B, and A. Sedimentary rocks are piled on top of each other. So the youngest layer is on top of the sequence and the oldest layer is on the bottom.
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If a parent cell has 24 chromosomes , how many chromosomes will each daughter cell have? Then compare the chromosomes in the parent cell and the daughter cells.
Answers
Answer:
If a cell has 24 chromosomes before cell division then daughter cell resulting from mitotic division will have 24 chromosomes while daughter cell resulting from the meiotic division will contain 12 chromosomes each.
Explanation:
In general, explain the difference between dietary fiber carbohydrates and sugar carbohydrates?
Answers
Answer:
Made up of glucose but passes through the body without being digested
Explanation:
Fiber: Made up of glucose but passes through the body without being digested. Sugar Alcohols: Not made up of glucose, therefore, they don’t directly affect blood glucose levels and are only partially digested. Although fiber is a carbohydrate, your body doesn’t digest it the same way.
Which species is oxidized in the reaction below? al2o3(s) 3 co(g) → 2 al(s) 3 co2(g)
Answers
Al species is oxidized in the reaction below al2o3(s) 3 co(g) → 2 al(s) 3 co2(g by oxidation
The reaction brought on by coming into touch with oxygen molecules is known as oxidation. These materials can be non-metals like live tissues or metals. Technically speaking, oxidation is the loss of one electron during the phase of interaction between two or more atoms.
Initially, the word "oxidation" was used to refer to chemical processes in which an element reacts with oxygen. An illustration of this is the oxidation of magnesium in the formation of magnesium oxide when magnesium metal and oxygen react.
The biological oxygen demand (BOD) of wastewater is decreased after oxidation, which also lessens some contaminants' toxicity. Some contaminants undergo this treatment and are transformed into carbon dioxide, water, and biosolids. Disinfection is commonly accomplished using chemical oxidation.
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what bonding pattern is not allowed for a c atom in any of the hydrocarbon structures described in this course?
Answers
In the context of hydrocarbon structures, the bonding pattern that is not allowed for a carbon (C) atom is the presence of more than four bonds. Carbon is tetravalent, meaning it can form up to four covalent bonds in stable organic compounds.
In organic chemistry, carbon (C) atoms typically form four covalent bonds due to their valency of four. This is known as the carbon atom's tetravalence. These covalent bonds can be formed with other carbon atoms or with other elements such as hydrogen (H).
When constructing hydrocarbon structures, which are compounds composed of carbon and hydrogen atoms, it is important to adhere to the tetravalence of carbon. This means that a carbon atom should not exceed four bonds in order to maintain stability and follow the octet rule. The octet rule states that atoms tend to gain, lose, or share electrons to achieve a stable electron configuration with eight electrons in their outermost energy level.
If a carbon atom were to form more than four bonds, it would violate the octet rule and result in an unstable structure. Such a bonding pattern is generally not observed in hydrocarbon compounds or in most organic compounds. Examples of hydrocarbons include methane (CH₄), ethane (C₂H₆), and propane (C₃H₈), where each carbon atom forms four bonds, either with other carbon atoms or hydrogen atoms, maintaining their tetravalent nature.
This is commonly observed in hydrocarbons, where carbon atoms form bonds with other carbon atoms and/or hydrogen atoms. Any structure or arrangement that violates the octet rule by having a carbon atom with more than four bonds would be considered highly unstable and not commonly observed in hydrocarbon compounds.
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Your company currently uses a process with a similar cost of materials that has an average percent yield of 91 percent. If the average percent yield of this process is higher than that, this could save the company money. What is your recommendation to the company
Answers
The second method is recommended due to high efficiency.
What method should be recommended?If the average percent yield of this process is higher than that, this could save the company money so my recommendation to the company is to adopt the other method for production because it is less costly and providing similar result.
In conclusion, the second method is recommended due to high efficiency.
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what is the hue associated with the color value hsl(90, 100%, 50%)? a. 90 b. 100% c. 50% d. cannot be determined by the color value
Answers
The color wheel has a scale of 0 to 360 for hue. Zero is red, 120 is green, and 240 is blue. The percentage value of saturation. 100% is the whole color, while 0% represents a particular grayscale.
The HSL color format is what?Hue, saturation, and lightness, or HSL, is a cylinder-coordinate representation of color. Hue is measured as a degree on the color wheel (which ranges from 0 to 360); 0 (or 360) is red, 120 is green, and 240 is blue.
What number of hues does HSL support?The three primary colors, R, G, and B, are the basic building blocks of all 16 million colors, albeit they are combined in various ratios. In a similar vein, the HSL color model allows you to produce the same 16 million hues.
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Which is the best example of a pure substance?
gold
air
peanuts
milk
Answers
Peanuts, or milk please leave like if right
Answer:
air
Explanation:
A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.
A closed system includes a cup of warm water and an ice cube that was just placed inside of it. Which statement describes
the energy of the system over time? (1 point)
The total energy of the system will decrease as the ice causes the warm water molecules to lose kinetic
energy
The total energy of the system will stay the same as kinetic energy from the warm water increases the
kinetic energy of molecules in the ice.
The total energy of the system will decrease as the warm water causes the ice molecules to lose kinetic
energy
The total energy of the system will stay the same as kinetic energy from the warm water decreases the
kinetic energy of molecules in the ice.
Answers
In a close system, the total energy of the system will decrease as the ice causes the warm water molecules to lose kinetic energy.
What is a close system?It is a system that is enclosed and would not allow the flow of any material form itself to another or form another system to itself.
A close system also does not allow transfer of energy between system.
Therefore, the total energy of the system will decrease as the ice causes the warm water molecules to lose kinetic energy.
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You are given two objects each with the same volume. When the objects are lowered into the water, one object sank and the other floated. Explain why they behaved in this way.
Answers
Answer:
Buoyancy.
Explanation:
Think of a balloon and a bowling ball. The volume of the balloon is the same for the bowling ball, but not the mass.
What is the correct electron configuration for s1 (atomic number 14)?
Answers
each time you take the quiz.When a student mixed 31.4 mL of 0.100 M NaOH with 50.0 mL of 0.100 M HCl, they found that 134.3 J of energy was produced. Based on these results, what is the molar heat of reaction in kJ per mole
Answers
The balanced chemical reaction equation for the given reaction is: NaOH + HCl → NaCl + H2O Let us find the moles of NaOH and HCl used in the reaction. Moles of NaOH used = (31.4 mL × 0.100 M) / 1000 mL/L = 0.00314 mol. Moles of HCl used = (50.0 mL × 0.100 M) / 1000 mL/L = 0.005 mol. According to the balanced equation, 1 mole of NaOH reacts with 1 mole of HCl to produce 1 mole of NaCl. The given reaction is an exothermic reaction as it produces 134.3 J of energy. To calculate the molar heat of reaction, we need to calculate the amount of heat produced per mole of the limiting reactant. As HCl is the limiting reactant, we will calculate the amount of heat produced per mole of HCl.Q = msΔTWhere, m = mass of the solution (in grams)s = specific heat capacity of the solution (in J/g°C)ΔT = temperature change (in °C).
The mass of the solution is the sum of the masses of NaOH and HCl solutions taken:Mass of the solution = Mass of NaOH + Mass of HCl Mass of NaOH = Volume of NaOH × Density of NaOH × Concentration of NaOHMass of NaOH = (31.4 mL / 1000 mL/L) × (1.00 g/mL) × (0.100 mol/L) = 0.00314 gMass of HCl = Volume of HCl × Density of HCl × Concentration of HCl Mass of HCl = (50.0 mL / 1000 mL/L) × (1.00 g/mL) × (0.100 mol/L) = 0.005 gMass of the solution = 0.00314 g + 0.005 g = 0.00814 gThe specific heat capacity of the solution can be taken as 4.18 J/g°C (i.e., the specific heat capacity of water). The temperature change is the final temperature minus the initial temperature. Initial temperature = Temperature of NaOH = 24.3°C Final temperature = Temperature of the mixture after reaction = 29.4°CΔT = Final temperature – Initial temperature = 29.4°C – 24.3°C = 5.1°C.
Substituting the values in the formula for heat: Q = msΔTQ = (0.00814 g) × (4.18 J/g°C) × (5.1°C)Q = 0.174 J. The amount of heat produced per mole of HCl can be calculated by dividing the heat produced (134.3 J) by the number of moles of HCl used (0.005 mol). Molar heat of reaction = -134.3 J / 0.005 mol. Molar heat of reaction = -26,860 J/mol = -26.86 kJ/mol. Therefore, the molar heat of reaction for the given reaction is -26.86 kJ/mol.
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How many grams of AlCl3 are needed to completely react with 2.25 of NaOH?
Answers
Explanation:
hope the picture above help u understand I did it in step so it would be easier to understand:)
if 123 ml of 0.300 m hno3 are added to 321 ml of 0.100 m koh, what is the final ph?
Answers
The final pH of the solution formed by mixing 123 ml of 0.300 M HNO3 (nitric acid) and 321 ml of 0.100 M KOH (potassium hydroxide) can be calculated using the concept of neutralization reactions.
In a neutralization reaction, an acid reacts with a base to form a salt and water. The reaction between nitric acid and potassium hydroxide can be written as follows:
The number of moles of HNO3 and KOH can be calculated as follows:
n_HNO3 = (0.123 L) * (0.300 mol/L) = 0.0369 mol
n_KOH = (0.321 L) * (0.100 mol/L) = 0.0321 mol
Since the reaction is a neutralization reaction, the number of moles of HNO3 and KOH should be equal. If the number of moles of HNO3 is greater than the number of moles of KOH, the solution will be acidic, and if the number of moles of KOH is greater than the number of moles of HNO3, the solution will be basic. In this case, the number of moles of HNO3 is greater than the number of moles of KOH, so the solution will be acidic.
The pH of the solution can be estimated using the Henderson-Hasselbalch equation:
pH = pKa + log([A^-]/[HA])
where pKa is the dissociation constant of the acid, [A^-] is the concentration of the conjugate base, and [HA] is the concentration of the acid. For nitric acid, the dissociation constant is about 7, so the pH of the solution can be estimated as follows:
pH = 7 + log([NO3^-]/[HNO3])
To find the exact pH, you would need to use a more sophisticated method, such as a chemical equilibrium simulation or a pH meter.
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Which objects should not be thrown in landfills because they could leach into groundwater and pollute the water?
A. paints
B. aluminum foil
C. plastics
D. paper
Answers
chicken wing
Part 1: Tendon: Give a description of the Tendon's color, texture, etc. (half a point)
Part 2: Tendon: The Tendon is attached to what tissue? (half a point)
Answers
The answers include the following:
The tendon of a chicken wing has a white color and a smooth texture.The tendon is attached to muscle and bones.What is a Tendon?Tendons are connective fibrous tissues that attaches muscle to bone and they have a bright white color together with a strong and smooth appearance which can be observed when studied.
Tendons are very important as they help in ensuring that the movement of parts of the body are easy due to its holding some structures such as ligaments in place. It is present in all bone joints due to its numerous functions in the musculoskeletal system of organisms.
The tendon is very flexible and binds the muscles in the body to other structures which is why it is referred to as a connective tissue and the above answers are the most appropriate.
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use the symbols δ δ and δ−δ− to show the direction of the polarity of the indicated bond in each of the following compounds: drag the appropriate labels to their respective targets.
Answers
The direction of the polarity of a bond can be indicated using the symbols δ+ and δ-.
When two atoms with different electronegativities are bonded together, the electrons in the bond are not shared equally. The atom with higher electronegativity attracts the electrons more strongly, resulting in a partial negative charge (δ-) on that atom and a partial positive charge (δ+) on the other atom. These partial charges are represented by the symbols δ+ and δ-, respectively.
In the first step, the δ+ symbol is placed above the atom that has the partial positive charge, indicating the direction of the polarity. Similarly, the δ- symbol is placed above the atom with the partial negative charge, indicating the direction of the polarity.
The δ+ symbol represents the atom that is electron-deficient and has a higher electron density, while the δ- symbol represents the atom that is electron-rich and has a lower electron density. These symbols help in visualizing the polarity of the bond and understanding the distribution of charge within the molecule.
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Draw the organic product of the reaction between 3-phenylpropyne and d2, pd/c.
Answers
The reaction between 3-phenylpropyne and D2 (deuterium) in the presence of Pd/C (palladium on carbon) is a catalytic hydrogenation reaction. In this reaction, the triple bond of 3-phenylpropyne is reduced to a single bond, resulting in the addition of two deuterium atoms.
The organic product of this reaction is 3-phenylpropane-d2. The triple bond between the carbon atoms in 3-phenylpropyne is converted into a single bond, and two deuterium atoms (D) replace two hydrogen atoms (H). The phenyl group (C6H5) remains intact. The deuterium atoms are isotopes of hydrogen, containing a neutron in their nuclei. Thus, the resulting product, 3-phenylpropane-d2, contains deuterium atoms instead of hydrogen atoms, while the overall structure of the molecule remains the same.
Overall, the reaction between 3-phenylpropyne and D2 in the presence of Pd/C leads to the formation of 3-phenylpropane-d2, where the triple bond is converted to a single bond and two deuterium atoms replace two hydrogen atoms.
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What is the law of conservation of energy?
a) Energy can be created or destroyed.
b) Energy can be created but it can never be destroyed even when it transforms to another type.
c) Energy can neither be created nor destroyed; it transforms into another type.
d) Energy can never be created but it can be destroyed when it transforms to another type.
Answers
a reaction vessel contains equal masses of solid magnesium metal and oxygen gas. the mixture is ignited and burns with a burst of light and heat, producing solid mgo. the mass of the mgo is less than the initial mass of the magnesium and oxygen. what is your explanation for this apparent loss of mass?
Answers
Because not all of the oxygen was reacted, there appears to be a mass loss.
Solid MgO is produced from the simultaneous combustion of solid magnesium metal and oxygen gas, which burns with a flash of light and heat. The initial masses of magnesium and oxygen added together are less than MgO.
Magnesium oxide is created when oxygen and magnesium interact. After burning, it transforms into a white magnesium oxide powder. Magnesium and oxygen react to produce a light powerful enough to momentarily impair your vision. Magnesium burns so brilliantly because it produces a lot of heat while doing so. This powder is produced by magnesium transferring two electrons to oxygen atoms. It is an exothermic process.
2Mg + O2 → 2MgO is a prime illustration of an oxidation and combination process.
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7. C2H4O2 is what? vinegar
Answers
Answer:
Yes its vinegar
Explanation:
Actually \( \bold{\red {C_2H_4O_2}} \) is the formula for acetic acid which is found in vinegar.
Which source of power can reduce emission of carbon dioxide?.
Answers
Answer:
Applying smart electric grid technologies can potentially reduce CO 2 emissions. Electric grid comprises three major sectors: generation, transmission and distribution grid, and consumption. Smart generation includes the use of renewable energy sources (wind, solar, or hydropower).
Explanation:
hope this helps
Someone pls help me I will make you brain
Answers
Answer:
B I and II
Explanation:
warming and melting.
please mark me brainliest
Which statement best describe what happens during a chemical change
Answers
Answer:
both the identity and the properties of a substance change.
Answer:
its A both the identity and the properties of a substance change
Explanation:
got it right on edge
You are riding a bike. If you apply force of 150N, and you and the bike have a combined mass of 90KG, what will be the forward acceleration of the bike?
Answers
We have to find the acceleration, and we know F= m×a.
150= 90 x a
a= 150/90.
a= 5/3= 1.67m/s2.
I hope this helps!
The acceleration of the bike can be obtained as 1.67 m/s^2.
What is the acceleration ?By the use of the formula that we get from the Newton second law we can be able to connect the force that has been exerted on the bike to the acceleration of the bike and that is what we are going to do in the problem that we want to solve.
Given that;
F = ma
m = mass of the bike
a = acceleration of the bike
F = force applied
Then we have;
a = 150 N/90Kg
a = 1.67 m/s^2
The bike is going to have an acceleration of 1.67 m/s^2.
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