what do ligands that are high in the SCS cause
Answers
Ligands that have a high Spectrochemical Series (SCS) value cause significant splitting of the metal ion's d-orbital energy levels.
This splitting, known as crystal field splitting, influences the stability, color, and reactivity of the coordination complex.
Ligands are molecules or ions that can bind to a central metal ion, forming a coordination complex. High SCS ligands typically lead to the formation of low-spin complexes due to their strong field effect. This causes the electrons to preferentially occupy the lower energy d-orbitals before pairing in the higher energy ones. This results in lower unpaired electron count, which in turn increases the stability of the complex.
Moreover, the strong field created by high SCS ligands can alter the color of the complex by increasing the energy gap between the split d-orbitals. As the absorbed light wavelength corresponds to the energy difference between these orbitals, complexes with high SCS ligands often exhibit intense and distinct colors.
In summary, high SCS ligands affect coordination complexes by causing significant d-orbital splitting, leading to the formation of stable low-spin complexes, and altering their color due to the increased energy gap between split orbitals.
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Related Questions
What are chemical formulas in chemistry?
Answers
A chemical formula is a phrase that lists the constituent parts of a compound together with their relative proportions.
What are the different kinds of chemical formulas?A written chemical formula is a straightforward illustration of an actual, three-dimensional molecule. The precise atoms that make up a material are described in its chemical formula. The empirical formula, the molecular formula, and the structural formula are the three fundamental types of chemical formulas.
What three sorts of chemical formulas are there?Empirical, molecular, and structural chemical formulas are the three basic categories. In contrast to molecular formulas, which display the number of each type of atom in a molecule, structural formulas display the simplest whole-number ratio of atoms in a compound.
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Of the following, which is organized from smallest to largest?
A) planet, star, solar system, universe, galaxy
B) solar system, planet, galaxy, universe, star
C) planet, star, solar system, galaxy, universe
D) galaxy, universe, star, solar system, planet
Answers
Answer:
C) planet, star, solar system, galaxy, universe
Answer:
C is the correct answer because
Explanation:
planets the smallest, some stars are bigger thatn planets but you can't tell because they are far away, our solar systems is all the planets together which is third largest, then the galaxy because the galaxy is in the universe
ASAP HELP WILL MARK BRAINLIST 7,8,9, and 10
Answers
8. c. 75 g/ml
9. b. .25g/cm3
10. b. the density decreases
if 6 moles of a a compound produce 84 J of energy, what is the h reaction in j/mol
Answers
The enthalpy of the reaction is 14 J/mol.
The enthalpy of a reaction (ΔH) is the amount of energy transferred between a system and its surroundings during a chemical reaction at constant pressure, measured in joules per mole (J/mol). This value is important because it can tell us whether a reaction is exothermic or endothermic, as well as give us information about the strength of chemical bonds within the reactants and products.To calculate the enthalpy of a reaction, we need to know the amount of energy released or absorbed (Q) and the number of moles of the compound involved in the reaction (n). We can use the equation:
ΔH = Q/n
Given that 6 moles of a compound produce 84 J of energy, we can calculate the enthalpy of the reaction as follows:
ΔH = Q/n
ΔH = 84 J / 6 mol
ΔH = 14 J/mol
This means that for every mole of the compound involved in the reaction, 14 J of energy is transferred between the system and the surroundings. Since the value is positive, we can conclude that the reaction is endothermic, meaning that it requires an input of energy to occur.It is worth noting that the enthalpy of a reaction can depend on a number of factors, such as temperature, pressure, and the specific conditions under which the reaction occurs. As such, it is important to take these factors into account when calculating or predicting enthalpy values.
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Please help me I don’t know this
Answers
Answer:
aplha particle is the answer
Why isn't the atomic mass of most of the elements on the Periodic Table an integer (not a decimal)?
Answers
Answer:
Atomic mass is never an integer number for several reasons
what are pollen grains? where are
are they formed?
Answers
Answer:
Only ask one question
Explanation:
If two samples of different elements contain the same number of atoms, they contain the same number of moles. b) If two samples of different elements have the same mass, they contain the same number of moles. c) If two samples of different elements have the same mass, they contain the same number of atoms. d) If two samples of different elements have the same moles, they contain the same weight. Without doing any calculations, determine which sample contains the most atoms.
Answers
Answer: B if two samples of different elements have the same mass, they contain the same number of moles.
Explanation:
What MASS of NaCl are required to make 2.69L of a 0.14M solution?Use the correct abbreviation for the UNITS
Answers
To solve this problem, let's use the definition for molarity:
Replacing the values of the problem:
Now, to find the mass, we multiply by the molecular weight of NaCl. (Which is about 58.44g/mol)
The answer is approximately 22.2g of NaCl
issued this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your etext. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon.
Answers
The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.
Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.
Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.
According to the given data;
Decomposition of carbon monoxide (CO);
Oxygen produced = 3.36 g
Carbon produced = 2.52 g
We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;
Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol
Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol
Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;
0.21 mol C / (0.21 mol O) = x
Simplifying the equation, we have;
x = 1
Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.
Decomposition of carbon dioxide (CO₂);
Oxygen produced = 9.92 g
Carbon produced = 3.72 g
Following the same calculations as before;
Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol
Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol
Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;
0.31 mol C / (0.62 mol O) = y
Simplifying the equation, we have;
y = 0.5
Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.
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--The given question is incomplete, the complete question is
"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--
PLEASE HELP ME QUICK RIGHT ANSWERS ONLY WILL MARK BRAINLIEST IF ITS RIGHT :) 40 POINTS
Answers
The specific heat of the metal is approximately 0.169 J/g·°C.
To determine the specific heat of the metal, we can use the formula:
q = m * c * ΔT
where q is the heat energy absorbed by the metal, m is the mass of the metal, c is the specific heat of the metal, and ΔT is the change in temperature.
In this case, we have a mass of 25.0 g, a temperature change of 6.1 °C, and an energy input of 259 J.
Rearranging the formula, we can solve for c:
c = q / (m * ΔT)
Substituting the given values:
c = 259 J / (25.0 g * 6.1 °C)
c ≈ 0.169 J/g·°C
This value indicates that the metal requires 0.169 Joules of energy to raise the temperature of 1 gram of the metal by 1 degree Celsius. The specific heat value is a characteristic property of the metal and can be used to identify the metal or compare it to known values for different metals.
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In the lab experiment a student calculates a molar mass of 65.6g/mol for the diprotic acid The student later finds out their actual unknown acid is succinic acid with a molar mass of 118.1 g/mole. Which of the following is an accurate statement for their lab report? A. The calculated molar mass of the unknown is 65.6 g/mol; however, the actual unknown was identified to be succinic acid indicates that too much base was added to the solution leading to a lower calculated molar mass. B. The calculated molar mass of the unknown is 65.6 g/mol, however, the actual unknown was identified to be succinic acid indicates that there was not enough base added to the solution leading to a lower calculated molar mass C. The calculated molar mass of the unknown is 65.6 g/mol, however, the actual unknown was identified to be succinic acid indicates that my calculations are incorrect D.The calculated molar mass of the unknown is 65.6 g/mol, which suggests the diprotic acid is succinic acid.
Answers
The accurate statement for the lab report would be: The calculated molar mass of the unknown is 65.6 g/mol, which suggests the diprotic acid is succinic acid. Option(D).
This statement acknowledges that the calculated molar mass obtained in the experiment matches the molar mass of succinic acid. Therefore, it suggests that the unknown acid is indeed succinic acid.
A diprotic acid is an acid that can donate two protons (H+) per molecule during a chemical reaction. This means that a diprotic acid has two ionizable hydrogen atoms or two acidic hydrogen atoms in its chemical structure.
When the diprotic acid dissociates in water, it releases two hydrogen ions, leading to the formation of two corresponding conjugate base ions. Examples of diprotic acids include sulfuric acid (H₂SO₄), carbonic acid (H₂CO₃), and oxalic acid (H₂C₂O₄).
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Which phrase describes a nuclear chain reaction?(1 point)
a reaction in which particles spontaneously emit radiation
a series of reactions in which particles from one reaction trigger the next reaction
a type of reaction which only takes place in the sun and other stars
a reaction in which small nuclei combine into a larger nucleus
Answers
Answer:
a series of reactions in which particles from one reaction trigger the next reaction
Explanation:
cause thats a chain
The following cations and anions in solution are mixed together, one pair at a time Hg+, K+, Al3+ and I-, S2-, CO3 2-Write a net ionic equation for each precipitate that forms, including states
Answers
Hg⁺ with I⁻ forms HgI
Hg⁺ with S²⁻ forms Hg₂S
Hg⁺ with CO₃²⁻ forms Hg₂CO₃
K⁺ with I⁻ forms KI
K⁺ with S²⁻ forms K₂S
K⁺ with CO₃²⁻ forms K₂CO₃
Initially, 70 lb of salt is dissolved in a tank containing 280 gal of water. A salt solution with 2 lb/gal concentration is poured into the tank at 2 gal/min. The mixture, after stirring, flows from the tank at the same rate the brine is entering the tank. (a) Find the amount of salt in the tank as a function of time
Answers
The amount of salt in the tank as a function of time is f(t) = 70 + 4t, where f(t) is the amount of salt in the tank after t minutes.
The rate of salt entering the tank is 2 lb/gal x 2 gal/min = <<2*2=4>>4 lb/min, where the concentration of salt is 2 lb/gal. Initially, the tank contains 70 lb of salt and 280 gal of water. When the brine flows into the tank at a constant rate of 2 gal/min, the concentration of salt in the tank remains constant. When the tank is stirred, the salt will be uniformly distributed throughout the mixture. Let’s assume that t is the time in minutes. As a result, the number of minutes that the solution is in the tank will be t. Since the concentration of salt in the tank remains constant, the amount of salt in the tank after t minutes is 70 lb + 4 lb/min × t.
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to make up 1 l of a 0.5 m solution of edta starting with the free acid, approximately how much 10 m naoh will have to be added to adjust the ph to 7.0? do you expect this solution to have a ph-buffering capacity? the pkas of the four acetic acid groups on edta are 2.0, 2.67, 6.16 and 10.26.
Answers
To make up 1 L of a 0.5 M solution of EDTA starting with the free acid, the pH must be adjusted to 7.0. EDTA is a weak acid with a pKa of 2.0, 2.67, 6.16, and 10.26 for the four acetic acid groups.
At a pH of 7.0, EDTA will exist in a buffered state, meaning that it will be partially protonated and partially deprotonated.
To adjust the pH of the EDTA solution to 7.0, an alkali solution such as 10 M NaOH must be added. The amount of NaOH required can be calculated using the Henderson-Hasselbalch equation:
pH = pK a + log([base]/[acid])
where [base] is the concentration of the deprotonated form of EDTA and [acid] is the concentration of the protonated form of EDTA.
At a pH of 7.0, the acid-base equilibrium of EDTA will be:
[EDTA-] = [HEDTA]
At this pH, the buffer capacity is high. Since the pKa of EDTA is close to the desired pH, the buffer will resist changes in pH caused by added acids or bases.
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If you have 2 of the same substance and they are at the same temperature but have a different amount, what changes?
Answers
Answer:
The heat energy stored within them changes
Explanation:
Heat energy is a function of the mass of a body, its specific heat capacity, and its temperature.
In this case, the bodies have the same specific heat capacity since they are made from the same material and the same temperature.
To get the quantity of heat stored in a body, we need to multiply all three parameters as shown below
\(Q = mC \Delta T\)
An increase in mass, through an increase in the amount of substance of a material present, will cause a corresponding increase in the heat energy stored within the material
Describe two ways you could model atoms in a substance.
Answers
Answer:
You can model a substance doing a Lewis structure
And also you can model it doing a bond-line structure.
2. Consider dimethyl ether at 300 K which has an angle averaged radius of 0.25 nm. a) Calculate its collision frequency at 1 bar and 1 Pa. b) Calculate its decomposition rate constant k (CH3)2CO produ
Answers
a) The collision frequency of dimethyl ether can be calculated using the kinetic theory of gases. The collision frequency is given by the equation:
\(\[\text{{Collision frequency}} = \frac{1}{4} \sqrt{\frac{8 \cdot k \cdot T}{\pi \cdot m}}\]\)
where k is the Boltzmann constant, T is the temperature in Kelvin, and m is the mass of dimethyl ether molecule. Given that the angle-averaged radius of dimethyl ether is 0.25 nm, we can calculate the mass of the molecule using its density or molar mass.
b) To calculate the decomposition rate constant of (CH3)2CO, we need additional information such as the reaction mechanism and reaction conditions. The rate constant for a chemical reaction depends on factors like temperature, activation energy, and the presence of catalysts. Without these details, it is not possible to calculate the decomposition rate constant accurately.
In conclusion, the collision frequency of dimethyl ether at a specific temperature can be calculated using the kinetic theory of gases. However, to calculate the decomposition rate constant of (CH3)2CO, additional information about the reaction conditions and mechanism is needed.
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Which explains why mixtures can be separated?
A The components have different properties.
B The components have the same properties.
C The components are always made of small particles.
D The components are always made of large particles.
Answers
Answer:
A
Explanation:
In chemistry, a mixture is a material made up of two or more different substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions, and colloids.
Answer:
A
Explanation:
Mixtures can be separated because the different substances have different properties
A marble has a mass of 5grams and a volume of 2 cm3. Work out the denaity of the marble, in g/cm3.
Answers
Answer:
2.5 g/cm^3
Explanation:
To work out the density of the marble, we can use the formula:
\(density = \frac{mass}{volume} \)
We are given:
mass = 5g
volume = 2cm^3
Substituting these values in the formula:
\(density = \frac{5}{2} \: g/cm^3 \)
\(density =2.5 \: g/cm {}^{3} \)
How many atoms total are in this formula? 2 Ni3 (H3O4)2
Answers
Answer:
30 atoms
Explanation:
2Ni(H₃O₄)₂
There are two nickel, twelve hydrogen and sixteen oxygen atoms are present in given formula.
The given formula is actually having two moles of Ni(H₃O₄)₂.
Thus in two mole total number of atoms are = 2+12+16 =30 atoms
In one mole there are one nickel atom, six hydrogen atom and eight oxygen atoms are present.
Thus in one one mole total number of atoms are = 1+6+8 =15 atoms
However this compound does not exist.
For the following problems, give answers with the correct number
of decimal places.
1:
44.24cm+6.603cm
2:
23.90g+102.5g+0.015g
3:
165.245mL−20.2mL
4:
1.12 L−0.465 L
Answers
Given: For the following problems, give answers with the correct number of decimal places.
1:
44.24cm+6.603cm
2:
23.90g+102.5g+0.015g
3:
165.245mL−20.2mL
4:
1.12 L−0.465 L
To find: The solution of the given problem with correct number of decimal places.
Solution:
1. 44.24cm + 6.603cm= 50.843 cm (addition of given length)
: 50.84cm
: As 50.843 has 3 decimal places, and we have to give answer with two decimal places so we round off the answer up to 2 decimal places.
2. 23.90g + 102.5g + 0.015g = 126.415g (addition of given mass)
: 126.42g
: As 126.415 has 3 decimal places, and we have to give answer with two decimal places so we round off the answer up to 2 decimal places.
3. 165.245mL − 20.2mL = 145.045 mL (subtraction of given volume)
: 145.05 mL
: As 145.045 has 3 decimal places, and we have to give answer with two decimal places so we round off the answer up to 2 decimal places.
4. 1.12 L − 0.465 L = 0.655 L (subtraction of given volume)
: 0.66 L
: As 0.655 has 3 decimal places, and we have to give answer with two decimal places so we round off the answer up to 2 decimal places.
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Refracted light rays _____.
A.
are bent as they pass into a different medium
B.
are absorbed by an object
C.
are reflected from an object at a variety of angles
D.
bounce off a medium
Answers
the speed of sounds depend on
Answers
Answer:
medium in which it is traveling
Explanation:
i hope it helps u
Medium in which the sound waves are travelling.
Explanation:-
To understand this first we need to know that there are 2 types of waves; Mechanical waves and Electromagnetic waves.
Sound waves are mechanical waves meaning they need a medium to propagate. So this clarifies that they will obviously depend on the properties of the medium.
As far as the topic of speed is concerned;
sound travels fastest in solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster.
Link:-
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Hope it helps, feel free to clarify any confusion/confusions.
Polar molecules have _____.
Select one:
a. very unstable structures
b. no charge
c. linear molecular structures
d. charges ( a slight positive charge on one end, and a slight negative charge on the other)
Answers
Answer:
B. Charges ( a slight positive charge on one end, and a slight negative charge on the other).
the formula for caffeine is c8h10n4o2. how many total atoms are in 0.75 moles of caffeine
Answers
In 0.75 moles of caffeine, there are a total of 6 carbon atoms, 7.5 hydrogen atoms, 3 nitrogen atoms, and 1.5 oxygen atoms.
To determine the total number of atoms in 0.75 moles of caffeine, we need to consider the molecular formula of caffeine, which is C8H10N4O2. The molecular formula provides the ratios of each element present in the compound. By multiplying the number of atoms in each element by the corresponding coefficient in the molecular formula, we can calculate the total number of atoms. In this case, there are 8 carbon (C) atoms, 10 hydrogen (H) atoms, 4 nitrogen (N) atoms, and 2 oxygen (O) atoms in each molecule of caffeine. Multiplying these values by 0.75 moles will give us the total number of atoms in 0.75 moles of caffeine.
The molecular formula of caffeine, C8H10N4O2, provides the number of atoms for each element present in one molecule of caffeine. In this case, there are 8 carbon (C) atoms, 10 hydrogen (H) atoms, 4 nitrogen (N) atoms, and 2 oxygen (O) atoms.
To calculate the total number of atoms in 0.75 moles of caffeine, we need to multiply the number of atoms for each element by the coefficient in the molecular formula, and then multiply that by the number of moles (0.75 moles).
For carbon (C): 8 atoms x 0.75 moles = 6 atoms (since there are 8 carbon atoms in one molecule of caffeine).
For hydrogen (H): 10 atoms x 0.75 moles = 7.5 atoms (since there are 10 hydrogen atoms in one molecule of caffeine).
For nitrogen (N): 4 atoms x 0.75 moles = 3 atoms (since there are 4 nitrogen atoms in one molecule of caffeine).
For oxygen (O): 2 atoms x 0.75 moles = 1.5 atoms (since there are 2 oxygen atoms in one molecule of caffeine).
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according to pauli an orbital can hold a maximum of how many electrons?
Answers
Answer:
The Pauli Exclusion Principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers. As an orbital can contain a maximum of only two electrons, the two electrons must have opposing spins.
Explanation:
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Miss Hawaii
weaving nearly died out because factories can make fabrics faster than people who create them by hand. question 2 options:
true OR false
Answers
Answer:
True
Explanation:
A hand weavers would take much more time in their craft than large factories did, their industry began to decline and be replaced by industrial machines.
If I add water to 100mL of a 0.15 M NaOH solution until the final volume is 150mL, what will the molarity of the diluted solution be?
Answers
Answer: The molarity of the diluted solution be 0.10 M
Explanation:
According to the dilution law,
\(C_1V_1=C_2V_2\)
where,
\(C_1\) = concentration of concentrated solution = 0.15 M
\(V_1\) = volume of concentrated solution = 100 ml
\(C_2\) = concentration of diluted solution= ?
\(V_2\) = volume of diluted solution= 150 ml
Putting the values we get:
\(0.15\times 100=M_2\times 150\)
\(M_2=0.10M\)
Thus the molarity of the diluted solution be 0.10 M