which hybrid orbitals overlap in the c - o bond in cf₂o? a) csp² - os b) csp² - osp² c) csp² - osp³ d) csp³ - osp³ e) csp³ - osp
Answers
The hybrid orbitals that overlap in the C-O bond in CF₂O are a) csp² - os.
Here's a step-by-step explanation:
1. In CF₂O, the central carbon atom is bonded to two fluorine atoms and one oxygen atom.
2. The carbon atom forms a double bond with the oxygen atom and a single bond with the two fluorine atoms.
3. To form these bonds, the carbon atom needs to have three hybrid orbitals. As a result, it undergoes sp² hybridization (one s orbital and two p orbitals combine).
4. The oxygen atom forms a double bond with the carbon atom. To do this, it uses one of its p orbitals (unhybridized) to form a pi bond and an s orbital (unhybridized) to form a sigma bond.
5. Therefore, the hybrid orbitals overlapping in the C-O bond are csp² (from the carbon atom) and os (from the oxygen atom).
F
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(sp2 orbital) C = O (s-orbital)
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F
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Related Questions
is Sulfuric Acid soluble if placed in water
Answers
Answer: Yes, sulfuric acid is highly soluble in water.
Explanation:
Which statement best predicts and explains the product of a single displacement reaction when the cation (A) with an oxidation number of +2 and an anion (B) with the oxidation number of -3 react and form a compound?
Answers
Answer:
(A) with an oxidation number of +2 and an anion
Explanation:
Answer:
A+2B-3 is the predicted formula when each metal cation has a charge of +2 and each non metal has a charge of -3
B2A3 is the final formula for the metal anion bonding to the non-metal cation in a 2:3 ratio.
A3B2 is the predicted formula with an overall charge of the compound being zero and each atom has 8 valence electrons in their outermost electron shell.
A3B2 is the predicted formula is made when each metal cation gains three electrons from the anion while each nonmetal loses 2 electrons to each of the cations.
A) Cuantas fases tiene una ensalada de tomate y lechuga, un cafe con leche y un vaso de agua y aceite
B) Que tipo de sustancias son(Simple o compuesta).
Answers
Answer:
A)
A salad made of tomatoes and lettuce has two phases.Coffee with milk has one phase.A glass of water and oil has two phases.B) They are all compound substances
Explanation:
The salad and the glass of water with oil have two phases because their elements do not mix, we can see them separately. In the case of coffee with milk, there is only one phase because we can not see all the components separately, they are mixed in the solution.
They are all compound substances due to the fact that they are made of more than one element.
What is a lock and key model?
How does it allow enzymes in the human body to lower activation energy.
Answers
Answer:
It's basically an active site of an enzyme precisely fits a specific substrate. It reduces the energy that is well needed for reactants that come together.
Which TWO of the following options are TRUE about atomic mass and mass number?
A - The mass number is always the atomic mass rounded to the nearest whole number.
B - The atomic mass of an element is always the same no matter what the mass number of that particular atom is.
C - Mass number is always equal to the atomic number multiplied by 2.
D - The mass number is written on the periodic table.
E - Atomic mass is calculated by weighted atomic average using all the isotope data available.
F - Atomic mass and mass number are the same thing.
G - Mass number is equal to the sum of protons and electrons in an atom.
PLEASE ANSWER FAST
Answers
Answer:
E - Atomic mass is calculated by weighted atomic average using all the isotope data available.
G - Mass number is equal to the sum of protons and electrons in an atom.
Explanation:
Take an element
\(\\ \bull\sf\longmapsto _{25}Mg^{12}\)
Mass no is 25 and atomic no is 12.What is true about ionic compounds? Select all that apply.
A. Electrons are not involved in the formation of an ionic bond, since ions do not have valence electrons.
B. They may have a positive or negative charge.
C. Electrons are not free to move.
D. Properties of the compound are different than the properties of individual atoms that make the compound.
Answers
C. they may have a positive or negative charge
A B C D Rolf added 20 g of solute to 100 g of water and mixed the solution. Rolf added 10 g of solute to 100 g of water and mixed the solution. Rolf added 65 g of solute to 100g of water, mixed the solution, and then heated the solution. Rolf added 7 g of solute to 100 g of water, mixed the solution, and then heated the solution. Which solution is unsaturated? O Solution A O Solution B O Solution C Solution D The solute in solution A has a solubility of 37 g/100 g H₂O at 20°C. The solute in solution B has a solubility of 10 g/100 g H₂O at 20°C. The solute in solution C has a solubility of 32 g/100 g H₂O at 20°C The solute in solution D has a solubility of 4 g/100 g H₂O at 20°C.
Answers
From the arrangement of the options, Solution A and Solution D are unsaturated.
What is solubility?In a saturated solution, the rate at which the solute dissolves equals the rate at which it precipitates or crystallizes. This indicates that under the existing circumstances, no more solute can be dissolved in the solvent.
Solution A:
Amount of solute added: 20 g
Solubility of solute: 37 g/100 g H₂O
Since the amount of solute added is less than the solubility, Solution A is unsaturated.
Solution D:
Amount of solute added: 7 g
Solubility of solute: 4 g/100 g H₂O
The amount of solute added is less than the solubility, so Solution D is unsaturated.
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How many atoms of Hydrogen are in 4 C3H5O12? (10 points)
Answers
Answer:
There are 20 atoms in hydrogen.
Explanation:
Multiply Coefficient with Hydrogens subscript. In this case the coefficient is a 4 so you multiply that with Hydrogens subscript which is 5. So it would be (4)(5)=20
the little circle subscripts at the top of the deltag, deltah,and deltas represent standard conditions . these conditions correspond to
Answers
The little circle subscripts at the top of the deltag, deltah, and deltas represent standard conditions. These conditions correspond to the standard atmospheric pressure, temperature, and humidity respectively.
The standard atmospheric pressure is the average atmospheric pressure at mean sea level, which is 1.01325 bar. The standard temperature is 20°C (68°F), and the standard humidity is 0.00% relative humidity.
Atmospheric pressure is measured in bar and is the amount of force per unit area exerted by the atmosphere on a surface. It is affected by factors such as the weather and altitude. Temperature is a measure of the kinetic energy of the particles in a substance and is measured in degrees Celsius (°C). Humidity is the amount of moisture in the air and is measured in relative humidity (%), which is the ratio of the partial pressure of water vapor in the air to the saturated vapor pressure at a given temperature.
In chemistry and thermodynamics, the values of deltag, deltah, and deltas are often used to calculate the enthalpy, Gibbs free energy, and entropy changes associated with a chemical reaction. The standard conditions for these subscripts are the most common values used when calculating the thermodynamic properties of a reaction. Knowing the standard conditions is important for predicting the thermodynamic behavior of a system.
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during the first 48 hours, the ph of the reaction mixture is sampled as it passes from p1 to p3. which pattern is expected? a. ph will steadily increase b. ph will steadily decrease c. ph will equilibrate to 7.0 d. ph will remain constant
Answers
During the first 48 hours, the pH value of the reaction mixture is sampled as it passes from p1 to p3 the expected pattern of pH change steadily increase.
Hence the correct option is a.
It is important to note that the expected pattern of pH change is not always straightforward and can be influenced by many factors, including the concentrations of the reactants, the rate of the reaction, and the buffering capacity of the solution.
Therefore, it is necessary to monitor the pH of the reaction mixture over time and to consider the underlying chemical reactions and equilibria to fully understand the changes in pH.
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describe it what is the scientefic method??
Answers
Carlitos body is made up of many cells. What is one thing all her cells have in common?
A.they are the same size
B.they have the same kind of genes
C. The are all the same shape
D. They all perform the same function
Answers
A cylinder and its dimensions are shown. One equation for calculating the volume of a cylinder is V = Bh , where B represents the area of the base of the cylinder. Which expression can be used to find the value of B, in square centimeters, for this cylinder?
Answers
The expression that can be used to find the value of B in square inches for this cylinder is A) π(8.3)2.
What is the area of a cylinder?The combined area of a cylinder's curving surface and its two circular bases is known as the cylinder's area. The surface area of a cylinder is determined using the following formula:
A = 2πrh + 2πr²
We need to find the expression to calculate the area of the base of the given cylinder, which has dimensions r = 8.3 meters and h = 11.1 meters.
The formula for the area of the base of a cylinder is B = πr², where r is the radius of the base of the cylinder.
So, substituting the given value of r, we get:
B = π(8.3) ²
Simplifying this expression, we get:
B = π(68.89)
B = 68.89π.
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Describe Emotions in the room after “The Vote!” during July 2, 1776 U.S History
Answers
Answer:
On July 4, 1776—the day the Declaration of Independence was approved by the Second Continental Congress—the prevailing mood was trepidation and fear.
Explanation:
what solution should you mix to disinfect the dialysis station
Answers
To disinfect the dialysis station, you should mix a solution of 1:100 dilution of sodium hypochlorite (bleach) with water.
1. Gather the necessary supplies: sodium hypochlorite (bleach) and water.
2. Determine the desired volume of disinfectant solution needed to thoroughly clean the dialysis station.
3. Measure out the appropriate amount of bleach by dividing the desired volume by 100 (e.g., if you need 1000 mL of solution, use 10 mL of bleach).
4. Add the measured bleach to the remaining volume of water needed to reach the desired total volume (e.g., 990 mL of water in the example above).
5. Mix the bleach and water thoroughly to create a 1:100 bleach solution.
6. Use this solution to disinfect the dialysis station, following your facility's protocol and ensuring all surfaces are cleaned properly.
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what phase is carbon dioxide in at 5 atm pressure and -20 C
Answers
Answer:
When a solid turns directly to a gas this is called sublimation. From the graph it can be seen if the pressure is raised to ~5 atm as the CO2 warms up, it will pass through its triple point.
Explanation:
Answer:If the pressure is raised to ~5 atm as the CO2 warms up, it will pass through its triple point.
Explanation:
Is my answer correct? If not please correct me :)
Answers
Answer:
noo
Explanation:
no it aint sorry hunn
Empirical formula for a compound that contains 48. 98% carbon, 4. 12% hydrogen, 14. 27% nitrogen, 32. 63% oxygen
Answers
The empirical formula for the compound is \(C_4H_4N_2O_2\).
Carbon: 48.98 g
Hydrogen: 4.12 g
Nitrogen: 14.27 g
Oxygen: 32.63 g
Convert the grams to moles using the molar masses:
Carbon: 48.98 g / 12.01 g/mol = 4.08 mol
Hydrogen: 4.12 g / 1.01 g/mol = 4.08 mol
Nitrogen: 14.27 g / 14.01 g/mol = 1.02 mol
Oxygen: 32.63 g / 16.00 g/mol = 2.04 mol
Divide each mole value by the smallest number of moles:
Carbon: 4.08 mol / 1.02 mol = 4
Hydrogen: 4.08 mol / 1.02 mol = 4
Nitrogen: 1.02 mol / 1.02 mol = 1
Oxygen: 2.04 mol / 1.02 mol = 2
A compound is a substance composed of two or more different types of atoms that are chemically bonded together in a specific ratio. These atoms may be from the same or different elements, and they are held together by chemical bonds such as ionic, covalent, or metallic bonds.
Compounds have unique properties that are different from their constituent elements, such as melting and boiling points, solubility, and reactivity. The properties of a compound are determined by its molecular structure, which is the arrangement of atoms and the types of bonds between them. Compounds can be formed through various chemical reactions such as synthesis, decomposition, and oxidation. They are essential to life as they make up the complex molecules found in living organisms, such as proteins, carbohydrates, and nucleic acids.
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Matter has different characteristics referred to as
A. Atoms
B. Colors
C. Traits
D. Properties
Answers
solution of a monoprotic acid was titrated with NaOH. What does the term monoprotic mean? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a an acid that produces one hydrogen atom b an acid that produces two hydrogen atoms с an acid that produces one proton d an acid that produces two protons
Answers
a) an acid that produces one hydrogen atom. Monoprotic acid refers to an acid that donates only one hydrogen ion (H+) in an aqueous solution.
An acid that can only donate one hydrogen ion (H+) in an aqueous solution is referred described as being "monoprotic." This indicates that just one hydrogen ion may be emitted for each acid molecule. In contrast, polyprotic acids are able to contribute a number of hydrogen ions in solution.
Titration of a monoprotic acid solution with NaOH causes the NaOH to react with the acid's H+ ions to produce water and salt. The concentration of the acid may be calculated from the quantity of NaOH needed to fully neutralize the H+ ions in the acid solution.
Acetic acid and hydrochloric acid (HCl) are examples of monoprotic acids (CH3COOH).
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Beta particles will:
1. Not be affected by either pole of a magnet
2. Bend toward the North Pole of a magnet
3.bend toward the South Pole of a magnet
Answers
Answer:
3 ans
Explanation:
bend toward the south pole of a magnet
50cm³ of carbon(iv)oxide was exploded with 150cm³ of air containing 20% oxygen by volume.which of the reactant was in excess
Answers
Explanation:
V(CO) = 50 cm^3 = 50 ml = 0.05 l
V(air) = 150 cm^3 = 150 ml = 0.15 l
V(O2)/V(air) = 20%
_____________________________
2 CO + O2 = 2CO2
n(CO) = V(CO)/V(M) = 0.05/22.4 = 0.0022mol
V(O2)/V(air) = x/150 x=150×0.2 =30 ml=0.03l
n(O2) = V(O2)/V(M) =0.03/22.4 = 0.0013 mol
From the reaction ratio n(CO): n(O2) = 2:1
For explosing 0.0022 mol CO need 0.0011 mol O2. We have 0.0013 mol O2, then , 0.0003 mol O2 is excess.
Answer: O2 was in excess
5. Organisms that make their own energy storage molecules are called producers. What process do
they go through to create these molecules?
Answers
Answer:
I think it's metabolism
Hope this helps
a 100.0 ml solution of naoh reaches the equivalence point when 30.22 ml of a 0.0750 m solution of hcl is added from the burette.
Answers
The answer is 0.0026.
Solution:
(V₁) Volume of NaOH = 100 mL
(V₂) Volume of HCl = 30.22 mL
(M₂) molarity of HC = 0.0750 m
(m₁) molarity of NaOH =
By using relation
M₁V₁ = M₂V₂
M₁ = M₂ V₂/V₁
M₁ = 0.0750ML*30.22mL/100 mL
M₁ = 0.0226
Now
molarity of NaOH = mole of NaOH/Volume of NaOH (in L)
mole of NaOH = molarity x volume
= 0.0226 mol/L X 100 X 10⁻³ L
= 0.0026 mol So the mole of NaOH is 0.0026.
When titrating NaOH with HCl using methyl orange as an indicator the endpoint color changes from yellow to red, so add HCl to the burette. This is just for ease of calculation. Put the hydrochloric acid in the burette and the soda solution in the Erlenmeyer flask. Methyl orange is used as an indicator.
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Please help! i will give brainliest!
When a solid air freshener gets smaller over time and runs out is it a physical change or chemical change? please say why?
Answers
Answer:
i think this would be an example of a physical change because here the substance is changing directly from a solid to a gas without passing through the liquid state which means that the composition of the substance has not changed and remains the same. This is also called sublimation.
I need help with this problem
Answers
Ionic bonds are formed by I and V
How are ionic bonds formed?Ionic bonds are formed between two atoms or ions with opposite charges. One atom or ion donates one or more electrons to the other atom or ion, which accepts the electrons, resulting in the formation of an ionic compound.
Ionic bonding typically occurs between a metal and a non-metal, although there are exceptions. Metals tend to lose one or more electrons to become positively charged cations, while non-metals tend to gain one or more electrons to become negatively charged anions.
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What is the empirical formula a for a compound that is 15.3% magnesium, 44.5% chlorine, and 40.2 % oxygen
Answers
Answer:
\(MgCl_{2} O_{4}\)
Explanation:
When calculating an empirical formula from percentages, assume you have a 100g sample. This allows you to convert the percentages directly to grams, because X % of 100g is X grams.
So:
15.3 % = 15.3g Mg, 44.5% = 44.5g Cl, 40.2% = 40.2g O
The next step is to divide each mass by their molar mass to convert your grams to moles.
15.3/24.3 = .630 mol
44.5/35.5 = 1.25 mol
40.2/16.0 = 2.5 mol
Then you will divide all of your mol values by the SMALLEST number of moles. This gives you whole numbers that are the mole ratio (subscripts) of the empirical formula.
.630 mol/.630mol = 1
1.25 mol/.630mol = 2
2.5 mol/.630mol = 4
So the empirical formula is
\(MgCl_{2} O_{4}\)
Indicate a procedure to solve the following recrystallization problems: a) lack of crystal formation, b) presence of colored impurities.
Answers
a) lack of crystal formation,
Seed crystals (a small amount of the pure solid) can be added to jump start the recrystalization process, or scratching the side of the glass can help.b) presence of colored impurities,
Using activated carbon "decolorizing carbon" which has a high affinity to colored impurities. Then filter mixture using gravity filtration.What is the recrystallizationIn the absence of crystals forming:
Make sure to use a good liquid that dissolves well.Make the solution dissolve better by heating it and stirring it.Cool the solution slowly so that crystals can form.Use little crystals if you have to.Remove impurities, clean, remove moisture, and gather the solid particles.b) Presence of Colored Impurities: This means that there are substances that are not the usual color in the mixture.
Select a liquid that can dissolve both the main substance and any unwanted substances effectively.Use hot filtration to remove substances that cannot dissolve in the liquid.Put activated carbon in to absorb colored dirt.Remove the activated carbon from the solution by using a filter.Make the solution colder so that crystals start to form.Clean, rinse, remove moisture, and gather the clean crystals.Read more about recrystallization here:
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What forces typically hold ions together?
O A. Intermolecular forces
OB. Ionic attractions
OC. Metallic bonds
O D. Covalent bonds
Answers
Answer: Ionic attractions
Explanation:
Ionic bonding is a type of chemical bond that involves the electrostatic attraction between oppositely charged ions.
Damage to which area below would result in the inability to perform precise hand movements?
Broca's area
somatosensory cortex
premotor cortex
postcentral gyrus
Answers
Correct option is premotor cortex. The premotor cortex is the area that, when damaged, would result in the inability to perform precise hand movements.
The premotor cortex is responsible for planning and coordinating voluntary movements, including the fine motor control required for precise hand movements. Damage to this area can lead to difficulties in executing skilled movements and impairments in tasks that require dexterity and hand-eye coordination.
The other areas mentioned, such as Broca's area, somatosensory cortex, and postcentral gyrus, are not primarily associated with precise hand movements.
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