The hybridization of the S atom in SF6 by referring to the molecule's Lewis structure, valence electrons, and the octet rule and sp3d2 is the hybridization of S atom.
It also provides a concise and clear explanation of sp3d2 hybridization, which is based on the number of electron domains around the central atom.
The hybridization of the S atom in SF6 can be explained by looking at the molecule's Lewis structure, valence electrons, and the octet rule.
In the Lewis structure of SF6, sulfur is the central atom and is surrounded by six fluorine atoms. Each fluorine atom contributes one electron to the molecule, and sulfur has six valence electrons.
To satisfy the octet rule, sulfur in SF6 undergoes hybridization. Hybridization involves the mixing of atomic orbitals to form new hybrid orbitals that are suitable for bonding.
In the case of SF6, sulfur undergoes sp3d2 hybridization. This means that sulfur's 3p, 3d, and 4s orbitals combine to form six hybrid orbitals, each of which has a different shape and energy level.
These six hybrid orbitals around sulfur in SF6 form six electron domains, meaning that sulfur is surrounded by six areas of electron density. The bonding pairs of electrons occupy four of these domains, while the remaining two domains contain nonbonding or lone pairs of electrons.
To learn more about hybridization, refer below:
https://brainly.com/question/14140731
#SPJ11
You travel by express Greyhound bus from Indianapolis, IN to Tampa, FL; this is a distance of 1,070 miles. With no stops, the trip takes 16 hours. What is the average speed (nearest whole number)? a) 45 mi/h b) 55 mi/h c) 90 mi/h d) 67 mi/h
PLEASE HELP <3.
D, 67
Explanation:
1070 miles/16 hours = 66.875 miles per hour average traveling speed, which rounds up to 67.
Ethylene glycol (antifreeze) has a density of 1.11 g/cm3. What is the mass in grams of 355 mL of ethylene glycol?
\(\\ \bull\tt\leadsto Density=\dfrac{Mass}{Volume}\)
\(\\ \bull\tt\leadsto Mass=Density\times Volume\)
\(\\ \bull\leadsto Mass=1.11(355)\)
\(\\ \bull\leadsto Mass=394.05g\)
6. How do you decide how many ions of each type combine to form an ionic compound?
Answer:Since all ionic compounds are neutral, total positive charges and total negative charges have to equal. So combination ratio between ions depends on the charges of the two ions combine.
Explanation:
When 0. 1156 g of an unknown compound that contains carbon, hydrogen and nitrogen, is reacted with oxygen, 0. 1638 g of co2 and 0. 1676 g of h2o are collected. Determine the empirical formula of this compound
The empirical formula of this unknown compound with carbon, hydrogen and nitrogen is C2HN3.
Originally, chemical formulas were generated by determining the masses of all the components that combine to create a molecule, and this resulted in two main types of chemistry formulae: molecular formulas and empirical formulas.
A compound's empirical formula offers the simplest ratio of the number of various atoms present, but the molecular formula specifies the actual number of each single element present in a molecule. It is an empirical formula if the formula is simplified. The molecular formula, which is a multiple of the empirical formula, is often employed.
Mass of compound is 0.1156 g
mass of CO2 = 0.1638 g
mass of H2O = 0.1676 g
Molecular weight of CO2 = 44 g
Molecular weight of H2O = 18 g
moles of CO2 = 0.00372
0.00372 x 12 = 0.04464 = C
H = 0.00931 x 2 = 0.01862
N = 0.1156 - (0.04464 + 0.01862) = 0.05234
Empirical formula is,
C:H:N = 0.04464 : 0.01862 : 0.05234 = 0.04 : 0.02 : 0.06
C : H : N = 2 : 1 : 3
So Empirical formula is C2HN3.
Learn more about Empirical formula :
https://brainly.com/question/1603500
#SPJ4
Explain how the chromatography shows that all three samples have at least one substance common✨
In chromatography,when all the three samples have atleast one substance common it is indicated by Rf values which are same for the 3 samples as they have one substance common in them.
What is chromatography?Chromatography is a separation technique which is generally used for separating substances based on their solubilities. The technique makes use of two phases the mobile phase and the stationary phase.
The components are separated from each other based on their solubility in the mobile phase. Component which is least soluble does not travel along the mobile phase while component which is highly soluble travels with the mobile phase.
The difference in the solubility of the components is measured with the reference to the solvent front and is expressed in terms of Rf value.
Learn more about chromatography,here:
https://brainly.com/question/11960023
#SPJ2
Sea floor spreading occurs at a mid-ocean ridge true or false
Answer:
False
Explanation:
sea floor spreading is not consistent at all mid ocean ridges.
Growing salt crystals from evaporated sea water is an example of a chemical reaction.
True
False
Answer:
false
Explanation:
This is not a chemical reaction.
How many grams of oxygen is present in 36g of water?
Answer:
32 gm O
Explanation:
there are 16 gm of O in each 18 gm of water ....the other two grams are H
so there would be 32 gm of oxygen in 36 gm water
CHEMISTRY 50 POINTS!
Which of the following explains the VSEPR geometry of a water molecule?
A) It is tetrahedral because there are four bonded pairs around oxygen.
B) It is bent because there are four bonded pairs around oxygen.
C) It is tetrahedral because there are two bonded pairs and two lone pairs around oxygen.
D) It is bent because there are two bonded pairs and two lone pairs around oxygen.
Answer: D
Explanation:
Water is comprised of 2 Hydrogen atoms and 1 Oxygen atom. This gives us a total of 8 valence electrons to form bonds with.
Because Hydrogen is in first row of elements it can only hold a total of two electrons. This means each Hydrogen holds 2 electrons.
But that means there are four more electrons. VSEPR theory is basically how electron repulsion causes atoms to arrange in different ways.
There will be four electrons left on the oxygen because they can not go anywhere else. This will cause the hydrogen molecules to move away from the lone electrons and cause a bent geometry rather than a straight-line geometry.
What problem did the development of the metric system solve?
Answer:
The problems solved by the metric system includes, the eradication of fraud prevalent by the use of the approximately 800 units that were defined in 250 thousand ways due to the difference of the associated quantity to the units in different towns
The development of the metric system also solved the issues scientist had with working with the medieval system which were mainly national and regional systems that hindered scientific communication across regions
Explanation:
A 100. 0 ml sample of 0. 20 m hf is titrated with 0. 10 m koh. Determine the ph of the solution after the addition of 100. 0 ml of koh. The ka of hf is 3. 5 × 10-4.
The pH of the solution after the addition of 100.0 mL of 0.10 M KOH to 100.0 mL of 0.20 M HF is 3.46 if the ka of hf is \(3. 5 * 10{-4}\).
To determine the pH of the solution after the addition of 100.0 mL of 0.10 M KOH to 100.0 mL of 0.20 M HF, follow these
steps:1. Calculate the initial moles of HF and KOH:
HF moles = 0.20 M × 0.100 L = 0.020 mol
KOH moles = 0.10 M × 0.100 L = 0.010 mol2. Determine the moles of HF and KOH after the reaction:
Since HF and KOH react in a 1:1 ratio, 0.010 mol of KOH will neutralize an equal amount of HF:
HF moles (after reaction) = 0.020 mol - 0.010 mol = 0.010 mol3.
Calculate the concentration of HF after the reaction:
Total volume = 100.0 mL + 100.0 mL = 200.0 mL = 0.200 LHF concentration = 0.010 mol / 0.200 L = 0.050 M4.
Calculate the concentration of \(F^{-}\) ions (the conjugate base of HF) formed after the reaction:
\(F^{-}\) moles (formed) = 0.010 mol
\(F^{-}\) concentration = 0.010 mol / 0.200 L = 0.050 M5. Use the Ka expression and HF's Ka value (3.5 × 10-4) to determine the H+ concentration:
\(Ka = \frac{[H^{+}][F^{-}]}{ [HF][H^{+}]} = Ka * \frac{[HF] }{[F^{-}][H^{+}] }\)
\(= (3.5 * 10^{-4}) *\frac{(0.050)}{ (0.050)}\)
\(= 3.5 * 10^{-4} M\)
6. Calculate the pH of the solution using the \(H^{+}\) concentration:
\(pH = -log10[H^{+}]\)
\(pH = -log10(3.5 * 10^{-4})\)
pH = 3.46
After the addition of 100.0 mL of 0.10 M KOH, the pH of the solution is approximately 3.46.
To know more about pH Visit:
https://brainly.com/question/30934747
#SPJ11
44. If there are 2.54 cm in an inch and 12 inches in a foot, how many cm are in 1.50 feet
Answer:
45.72 cm
Explanation:
We are told that there are 2.54 cm in an inch and 12 inches in a foot.
Since 1 inch = 2.54 cm
Then, 12 inches = (12 × 2.54)/1 = 30.48 cm
Now, 12 inches makes 1 foot.
Thus, 1 ft = 30.48 cm
Thus, 1.5 ft = (1.5 × 30.48)/1 = 45.72 cm
Thus, 45.72 cm will make 1.5 feet
both of janies parents have dark hair. how likely is janie to have blonde hair?
Answer:
The probability of Janie to have blonde hair would be a slim 13% to a 34%.
Explanation:
Not 100% sure but best estimation I can come up with.
A total of 1.436 F of electricity (1 F=1 mol e−) was required to electrodeposit all of the Zn and Co from a solution of ZnSO4 and CoSO4. The mixture of Zn and Co that was deposited had a mass of 43.57 g. Calculate the masses of ZnSO4 and CoSO4 present in the original solution.
There were approximately 128.94 g of ZnSO4 and 109.34 g of CoSO4 present in the original solution.
What is electroplating?Electroplating is the process of coating a metal object with a thin layer of another metal by means of electrolysis. In an electrolytic cell with a solution of a salt of the metal to be deposited, the item to be plated is made the cathode (negative electrode).
The electroplating of Zn and Co from the solution involves the transfer of electrons from the cathode to the metal ions in the solution, which results in the deposition of the metals on the cathode. The amount of electricity required for this process is proportional to the amount of metal ions present in the solution, which in turn is proportional to the mass of the metals deposited.
Let's first calculate the moles of electrons transferred in the electroplating reaction:
1.436 F × (1 mol e⁻/1 F) = 1.436 mol e⁻
Since the number of electrons transferred is the same for both Zn and Co, the ratio of the moles of Zn and Co deposited should be the same as the ratio of their atomic masses. The atomic masses of Zn and Co are 65.38 g/mol and 58.93 g/mol, respectively, so the ratio of their masses is:
65.38 g/mol ÷ 58.93 g/mol ≈ 1.11
This means that for every 1.11 moles of Zn deposited, 1 mole of Co is deposited.
Let's assume that x moles of ZnSO4 and y moles of CoSO4 were present in the original solution. Then we can set up the following equations based on the balanced electroplating reaction:
2 e⁻ + Zn²+ → Zn (s)
2 e⁻ + Co²+ → Co (s)
The total number of moles of electrons transferred in the electroplating reaction is:
1.436 mol e⁻ = 2 mol e⁻/mol Zn × x mol ZnSO4 + 2 mol e⁻/mol Co × y mol CoSO4
Simplifying and solving for y:
y = (1.436 mol e⁻ - 2 mol e⁻/mol Zn × x mol ZnSO4) / (2 mol e⁻/mol Co)
y = 0.718 mol CoSO4
Since the ratio of the moles of Zn to Co deposited is 1.11, we can calculate the moles of ZnSO4 from the moles of CoSO4:
x = (1.11 mol Zn/mol Co) × (0.718 mol CoSO4) = 0.798 mol ZnSO4
Finally, we can calculate the masses of ZnSO4 and CoSO4:
mass of ZnSO4 = 0.798 mol × 161.47 g/mol = 128.94 g
mass of CoSO4 = 0.718 mol × 152.06 g/mol = 109.34 g
To know more about cathode, visit:
https://brainly.com/question/4052514
#SPJ1
A student adds 52.1 grams of ethanol, C2H5OH, to a volumetric flask and fills the
flask with water to the 200.00 mL fill line. What is the molarity of this solution?
Answer:
Molar mass of ethanol C
2
H
5
OH = 12x2 + 1x6 + 1x16 = 46 g/mol
Mass = moles x molar mass
Mass of ethanol required = 1.2 x 46 = 55.2 g
Volume = mass/density
Volume required = 55.2/0.7893
= 70 ml
As the ball moves from Point 3 to Point 4, which energy conversion is taking place?
Answer:
Potential energy to kinectic energy
Explanation:
what does Le châteliers principle state?
the equilibrium cosntant for the ionisation of acetic acid is 0.00002. what can you conclude about this system?
In the case of the ionization of acetic acid, which can be represented as CH3COOH ⇌ CH3COO- + H+, the given equilibrium constant of 0.00002 tells us important information about the system.
Since the equilibrium constant is very small (less than 1), it indicates that the forward reaction (ionization of acetic acid) is not favored. In other words, the concentration of the products (CH3COO- and H+) at equilibrium is much lower compared to the concentration of the reactant (CH3COOH). This suggests that the majority of the acetic acid remains unionized.
Moreover, the small equilibrium constant suggests that the reverse reaction (recombination of CH3COO- and H+ to form CH3COOH) is favored. This means that any CH3COO- and H+ ions produced tend to recombine to form acetic acid, rather than remaining as dissociated ions.
Overall, the low equilibrium constant of 0.00002 indicates that the ionization of acetic acid is limited, and the majority of the acetic acid remains as unionized molecules in the system.
Learn more about ionization here
https://brainly.com/question/1602374
#SPJ11
What is the electronegativity periodic table?
The electronegativity periodic table is a chart that arranges elements according to their electronegativity, which is a measure of an atom's ability to attract electrons to itself. Electronegativity is a chemical property that reflects the relative tendency of an atom to draw electrons towards itself when it forms a chemical bond with another atom.
The electronegativity values are usually determined using the Pauling scale, which was developed by Linus Pauling and is widely used in chemistry. In this scale, the electronegativity of an element ranges from 0.7 for cesium to 4.0 for fluorine, with increasing electronegativity moving from left to right across a period and increasing as one moves down a group.
The electronegativity values can be useful in understanding chemical bonding and the behavior of molecules. For example, elements with high electronegativity values tend to form ionic bonds, while elements with low electronegativity values tend to form covalent bonds. Additionally, the electronegativity difference between two bonded atoms determines the type of bond, with larger differences indicating polar covalent bonds and smaller differences indicating nonpolar covalent bonds.
To know more about electronegativity click here:
https://brainly.com/question/17762711#
#SPJ11
Declining levels of trust in government are important because declining trust has been linked to a. more citizens emigrate from the country. b. higher rates of violent crime. c. declines in political participation and voting. d. increases in political participation and voting.
Declining levels of trust in government are important because they have been linked to declines in political participation and voting.
When citizens lose trust in their government, they are less likely to participate in political activities such as voting, protests, and contacting elected officials. This can lead to a decrease in the overall democratic legitimacy of a government, as well as a lack of accountability for elected officials. Additionally, when citizens do not feel that their government represents their interests or values, they may become disillusioned and disengaged from the political process altogether. Therefore, it is crucial for governments to work to regain the trust of their citizens through transparency, accountability, and effective communication.
Know more about government here:
https://brainly.com/question/4160287
#SPJ11
a zinc chloride solution is prepared by dissolving 0.316 g in 100.0 ml. 19.97 ml of the above solution is transferred into a beaker and titrated with a 0.0225 m edta solution. the endpoint is reached after 19.72 ml of the edta solution is added. edta is known to complex in a 1:1 mole ratio with multivalent cations. what is the mass of zinc titrated? the molar mass of zncl2 is 136.315 g/mol the molar mass of zn is 65.38 g/mol the molar mass of cl is 35.45 g/mol
The number of moles of edta used in the titration is 0.0225 mol/L x 0.01972 L = 0.0004446 mol edta and the mass of zinc titrated is 0.029 g.
First, let's calculate the number of moles of edta used in the titration:
0.0225 mol/L x 0.01972 L = 0.0004446 mol edta
Since edta has a 1:1 mole ratio with Zn, we know that the number of moles of edta used is also equal to the number of moles of Zn in the sample. So:
moles of Zn = 0.0004446 mol
Now we can calculate the mass of Zn titrated:
mass of Zn = moles of Zn x molar mass of Zn
mass of Zn = 0.0004446 mol x 65.38 g/mol
mass of Zn = 0.029 g
To know more about titration here
https://brainly.com/question/13307013
#SPJ4
In most mirrors, the virtual image appears to come from behind the mirror. True False
Answer
False
Explanation:
why do we shake syrup medicines before drinking
Answer:
The label may instruct you to shake a liquid medicine before using so that the active ingredients are evenly distributed throughout it.
Explanation:
Answer:
maybe because if somehow the liquids get separated then shaking them up would mix them back to how they are suppose to be originally.
Explanation:
for questions 3 and 4, consider the following reaction:2 NO2 (g) → N2O4 (g)The rate law for the reaction is as follows:rate = k [NO2]2 where k = 0.0195 M–1·s–1 at 375 °CFor a reaction that starts with 2.2 moles of NO2 gas in a 0.40 L container, what is the concentration of N2O_4 in the container after one half-life of the reaction? Give your answer in units of mol/L with two significant figures.If the reaction starts with NO_2 at a concentration of 2.0 M, what will be the concentration after 60 seconds? Choose the closest answer.A 0.50 MB 0.60 MC 0.70 MD 0.80 ME 0.90 M
Answer: B 0.6M
Explanation:
Which element would mostly likely have an electron affinity measuring closest to zero
Noble gases in Group VIII have electron affinities that are close to zero because each atom has a stable octet and does not readily accept an electron.
Both electron affinity and electron negativity have a downward trend over time. The electron affinity is also 0 if the electron negativity is 0. Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn), and Oganesson are the elements with no affinity for electrons (Og). Affinities for electrons can be zero, negative, or positive. Noble gases in Group VIII have electron affinities that are close to zero because each atom has a stable octet and does not readily accept an electron. There is no tendency for noble or inert gases to gain an electron. Its electron affinity is therefore zero.
To learn more about noble gas click here:
https://brainly.com/question/1464170
#SPJ4
A neutral atom of sulfur becomes an ion with a negative two charge by?
Answer:
The valence shell (the 3s and 3p sublevels) contains six electrons, but it needs eight to become stable. Think of the octet rule. Therefore a sulfur atom will gain two electrons to form the sulfide anion with a charge of 2− , with the symbol S2− .
What type of particle reinforced composite has extremely small particles?
Answer:
large particle composite
What is the splitting of the signal in the IH NMR spectrum for the methyl protons of I -bromo-2- methylpropane? a. singlet b. doublet c. triplet d. Nonet
The splitting of the signal in the IH NMR spectrum for the methyl protons of 1-bromo-2-methylpropane is a triplet. (C)
In proton NMR, the number of peaks and their relative intensity provides information about the number and types of hydrogen atoms in a molecule.
The splitting of the signal, or the number of peaks, is caused by the interaction between neighboring hydrogen atoms.
For 1-bromo-2-methylpropane, the methyl protons are attached to a carbon atom that is adjacent to two other hydrogen atoms, which causes the signal to split into three peaks of equal intensity, resulting in a triplet.
This splitting pattern is known as a first-order splitting pattern, and the intensity of the peaks is determined by the number of neighboring hydrogen atoms.
To know more about NMR spectrum click on the below link:
https://brainly.com/question/30667404#
#SPJ11
humans have a total of 46 chromosomes therefore, humans inherit ____ chromosomes from each parent. (use numerals for the answer)
Answer:
23
Explanation:
there are 23 pairs of chromosomes
46 individula chromosomes
but each parnet contribute one chromosome to each pair
Answer:
23 :)
Explanation:
in which substance are molecules rigidly arranged?
a: the water in a freezer at -2c
b: the water in a cup at 22c (room temp)
c: the water in a pot at 100c
d: the water in a steam engine at 110c
Answer:
a: the water in a freezer at -2c
Explanation:
The molecular in freeze water is more compact than room temperature water or boiling water, therefore, it would be harder to separate the molecules which makes it more rigid.